# Site map for AI crawlers

## Key pages

- [Custom Industrial Fasteners Manufacturer in China](https://www.indfastpro.com/): A China-based industrial fastener manufacturer offering bolts, screws, nuts, washers and rivets to standard and custom specification — for global B2B buyers. (updated 2026-11)
- [Kurzfertigung von Industrie-Verbindungselementen in China](https://www.indfastpro.com/de/): Ein chinesischer Hersteller von Industrie-Verbindungselementen: Schrauben, Muttern, Unterlegscheiben und Nieten nach Standard- und kundenspezifischer (updated 2026-11)
- [中国のカスタム産業用締結部品メーカー · IndFastPro](https://www.indfastpro.com/ja/): 中国の産業用締結部品メーカー。ボルト、小ねじ・機械ねじ、ナット、ワッシャー、リベットを標準・カスタム仕様で提供 — 世界のB2Bバイヤー向け。 (updated 2026-11)
- [Fabricant de fixations industrielles sur mesure en Chine](https://www.indfastpro.com/fr/): Un fabricant chinois de fixations industrielles proposant boulons, vis, écrous, rondelles et rivets aux spécifications standard et sur mesure — pour les (updated 2026-11)
- [Fabricante Personalizado de Elementos de Fijación](https://www.indfastpro.com/es/): Fabricante chino de elementos de fijación industriales que ofrece pernos, tornillos, tuercas, arandelas y remaches según especificaciones estándar y (updated 2026-11)
- [Produttore di Fissaggi Industriali Personalizzati in Cina](https://www.indfastpro.com/it/): Un produttore cinese di fissaggi industriali che offre bulloni, viti, dadi, rondelle e rivetti secondo specifiche standard e personalizzate — per acquirenti B2B (updated 2026-11)
- [Fabricante de Fixações Industriais Personalizadas na China](https://www.indfastpro.com/pt/): Fabricante chinês de fixações industriais que oferece parafusos, prisioneiros, porcas, arruelas e rebites sob especificação padrão ou personalizada — para (updated 2026-11)
- [Fabrikant van maatwerk industriële bevestigingsmaterialen](https://www.indfastpro.com/nl/): Een Chinese fabrikant van industriële bevestigingsmaterialen die bouten, schroeven, moeren, ringen en klinknagels levert volgens norm en op maat — voor (updated 2026-11)
- [Producent Niestandardowych Łączników Przemysłowych z Chin](https://www.indfastpro.com/pl/): Chiński producent łączników przemysłowych oferujący śruby, wkręty, nakrętki, podkładki i nity według norm i specyfikacji niestandardowych — dla globalnych (updated 2026-11)
- [Çin'de Özel Üretim Endüstriyel Bağlantı Elemanları Üreticisi](https://www.indfastpro.com/tr/): Çin merkezli endüstriyel bağlantı elemanları üreticisi; standart ve özel ölçülerde cıvata, vida, somun, pul ve perçin tedariki — küresel B2B alıcıları için. (updated 2026-11)
- [중국 맞춤형 산업용 패스너 제조업체 · IndFastPro](https://www.indfastpro.com/ko/): 중국에 기반을 둔 산업용 패스너 제조업체로, 표준 및 맞춤 사양의 볼트, 나사, 너트, 와셔, 리벳을 전 세계 B2B 구매 담당자에게 공급합니다. (updated 2026-11)
- [Производитель промышленного крепежа на заказ в Китае](https://www.indfastpro.com/ru/): Китайский производитель промышленного крепежа: болты, винты, гайки, шайбы и заклёпки по стандартным и индивидуальным спецификациям — для B2B-закупщиков по всему (updated 2026-11)
- [مصنّع سحابات صناعية مخصصة من الصين · IndFastPro](https://www.indfastpro.com/ar/): مصنّع سحابات صناعية مقره الصين يقدّم براغٍ ومسامير وصواميل وحلقات وبرشام وفق المواصفات القياسية والمخصصة — للمشترين في قطاع الأعمال حول العالم. (updated 2026-11)
- [Nhà sản xuất bu lông công nghiệp theo yêu cầu tại Trung Quốc](https://www.indfastpro.com/vi/): Nhà sản xuất chi tiết liên kết công nghiệp tại Trung Quốc, cung cấp bu lông, vít, đai ốc, vòng đệm và đinh tán theo tiêu chuẩn chuẩn hóa lẫn theo yêu cầu riêng (updated 2026-11)
- [中國工業緊固件客製化製造商 · IndFastPro](https://www.indfastpro.com/zh-TW/): 中國工業緊固件製造商，依標準規格與客製規格供應螺栓、螺絲、螺帽、華司與鉚釘——服務全球 B2B 買家。 (updated 2026-11)
- [Request a Quote · IndFastPro](https://www.indfastpro.com/contact/): Get factory-direct pricing from the manufacturer.
- [Fastener Standards Cross-Reference: DIN, ISO, ANSI/ASME](https://www.indfastpro.com/standards-cross-reference/): DIN to ISO to ANSI/ASME to BS fastener designation cross-reference tables for hex bolts, screws, nuts, washers, threaded rod and coatings — with the limits of
- [Research library | IndFastPro](https://www.indfastpro.com/research/): Traceable sources and evidence used in IndFastPro technical content.
- [Editorial policy | IndFastPro](https://www.indfastpro.com/editorial-policy/): How IndFastPro prepares, checks and corrects technical content.
- [Privacy notice | IndFastPro](https://www.indfastpro.com/privacy/): What IndFastPro collects when you submit an inquiry, why, and how it is handled.
- [Products · IndFastPro](https://www.indfastpro.com/products/): DIN/ISO/ASTM standard and custom industrial fasteners by IndFastPro: bolts, screws, nuts, washers, rivets, anchors, pins, self-clinching fasteners, retaining (updated 2026-11)
- [About IndFastPro — Industrial Fastener Manufacturer Since](https://www.indfastpro.com/about/): Hefei IndFastPro Import & Export Co., Ltd.: ISO 9001-certified industrial fastener manufacturer in Hefei, China. Cold heading, thread rolling and in-house (updated 2026-10)
- [Manufacturing Capabilities — IndFastPro](https://www.indfastpro.com/capabilities/): Cold heading, hot forging, thread rolling, precision machining and heat treatment under one roof. Family-level MOQs confirmed at quotation, in-house (updated 2026-10)
- [Knowledge · IndFastPro](https://www.indfastpro.com/knowledge/): Evidence-backed industrial fastener buying guides from IndFastPro. (updated 2026-10)
- [Industrial Fastener Manufacturer · IndFastPro](https://www.indfastpro.com/manufacturer/): IndFastPro manufactures bolts, screws, nuts, washers, rivets and anchors to DIN, ISO, JIS, ANSI/ASME and GB standards from its Hefei plant — ISO 9001 certified 
- [Custom & Made-to-Print Fasteners · IndFastPro](https://www.indfastpro.com/custom-fasteners/): Made-to-print custom fasteners from drawing to delivery: in-house mold development, 7-day prototypes, minimum orders from 1,000 units, exported to OEM programs 

## Products

- [F1554 Grade 36 Anchor Bolts — IndFastPro | Specifications](https://www.indfastpro.com/products/anchors/f1554-grade-36/): ASTM F1554 Grade 36 low-carbon steel anchor bolts — 36 ksi minimum yield, 58–80 ksi tensile, weldable straight and L-shaped bolts in diameters from 1/4" to (updated 2026-11)
- [F1554 Grade 55 Anchor Bolts — IndFastPro | Specifications](https://www.indfastpro.com/products/anchors/f1554-grade-55/): ASTM F1554 Grade 55 high-strength low-alloy steel anchor bolts — 55 ksi minimum yield, 75–95 ksi tensile, 21% elongation, in diameters from 1/4" to 4". (updated 2026-11)
- [F1554 Grade 105 Anchor Bolts — IndFastPro | Specifications](https://www.indfastpro.com/products/anchors/f1554-grade-105/): ASTM F1554 Grade 105 quenched-and-tempered alloy steel anchor bolts — 105 ksi minimum yield, 125–150 ksi tensile, in diameters from 1/4" to 3". (updated 2026-11)
- [Concrete Screw Anchors (Tapcon-Type) — IndFastPro](https://www.indfastpro.com/products/anchors/concrete-screw-anchors/): Self-tapping concrete screw anchors in M6–M16 metric and 3/16″–5/8″ inch sizes — drive directly into a drilled hole, load immediately, no torque tool or cure  (updated 2026-11)
- [Wedge Anchors (Torque-Controlled Expansion) — IndFastPro](https://www.indfastpro.com/products/anchors/wedge-anchors/): Torque-controlled wedge expansion anchors in the M6–M24 mechanical family band, effective embedment 40–150 mm — drill, clean, torque-set, load immediately. (updated 2026-11)
- [Sleeve Anchors — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/anchors/sleeve-anchors/): Sleeve expansion anchors for concrete, brick and block — the expanding sleeve distributes pressure along the hole, making the family the tolerant choice for m (updated 2026-11)
- [Drop-In Anchors — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/anchors/drop-in-anchors/): Internally threaded drop-in expansion anchors — set flush into concrete, then fasten anything with a machine threaded rod or bolt. (updated 2026-11)
- [Chemical (Adhesive) Anchors — IndFastPro | Specifications](https://www.indfastpro.com/products/anchors/chemical-adhesive-anchors/): Bonded chemical anchors — threaded rods set in epoxy or vinyl ester for the highest capacity of the three post-installed families: M8–M24 rods at 80–210 mm em (updated 2026-11)
- [Bent Anchor Bolts (L- & J-Hooks) — IndFastPro](https://www.indfastpro.com/products/anchors/bent-anchor-bolts-l-j/): Cast-in bent anchor bolts to ASTM F1554 — L- and J-hook forms from 3/8″ to 1 1/4″ diameter, lengths to 36″, with the hook embedded to resist pull-out. (updated 2026-11)
- [DIN 529 Masonry Bolts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/anchors/din-529-masonry-bolts/): DIN 529 masonry (foundation anchor) bolts, M8 through M72×6 — the source splits the dimension ladder into four diameter-range blocks; Type C = with split swiv (updated 2026-11)
- [Zinc-Nickel Plating (Zn-Ni) — IndFastPro | Specifications](https://www.indfastpro.com/products/surface-finishes/zinc-nickel-plating/): Zinc-nickel alloy electroplate for fasteners — 12–16% nickel alloy at roughly 8–14 µm, up to 1,000 hours neutral salt spray, stable to 300 °C+, the establishe (updated 2026-11)
- [Zinc Flake Coating — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/surface-finishes/zinc-flake-coating/): Non-electrolytic zinc flake coating for fasteners per ISO 10683 — dip, spin and cure application, 240–1,000 hours neutral salt spray, no hydrogen embrittlemen (updated 2026-11)
- [PTFE (Fluoropolymer) Coating — IndFastPro | Specifications](https://www.indfastpro.com/products/surface-finishes/ptfe-coating/): PTFE / fluoropolymer coating (Teflon®, Xylan® class) for studs and bolts — three-coat corrosion protection with low-friction break-out, tested to thousands of (updated 2026-11)
- [Zinc Electroplating — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/surface-finishes/zinc-electroplating/): Zinc electroplate for steel fasteners — the workhorse finish at roughly twice the cost of phosphate & oil, 72–384 hours neutral salt spray depending on (updated 2026-11)
- [Zinc Phosphate & Oil (Phos & Oil) — IndFastPro](https://www.indfastpro.com/products/surface-finishes/phosphate-phos-oil/): Zinc phosphate conversion coating with protective oil — the lowest-cost steel fastener finish, thin and black, 2–72 hours neutral salt spray by specification, (updated 2026-11)
- [Cadmium Electroplate — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/surface-finishes/cadmium-electroplate/): Cadmium electroplate per AMS QQ-P-416 — the smooth, high-lubricity legacy finish that torques more consistently than zinc, now largely confined to military-le (updated 2026-11)
- [Hot-Dip Galvanizing — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/surface-finishes/hot-dip-galvanizing/): Hot-dip galvanizing for fasteners — immersion in molten zinc forms a thick metallurgically bonded coating that outlasts plating by decades in outdoor and coas (updated 2026-11)
- [Mechanical Galvanizing (Mechanical Plating) — IndFastPro](https://www.indfastpro.com/products/surface-finishes/mechanical-galvanizing/): Mechanically deposited zinc coating for fasteners per ASTM B695 — zinc dust cold-welded by glass bead impact in a tumbling barrel, with no electrolysis and no (updated 2026-11)
- [Black Oxide Coating — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/surface-finishes/black-oxide-coating/): Black oxide conversion coating for fasteners — a hot alkaline bath that turns the surface flat black with negligible dimensional change, paired with an oil to (updated 2026-11)
- [Stainless Steel Passivation — IndFastPro | Specifications](https://www.indfastpro.com/products/surface-finishes/passivation/): Passivation of stainless fasteners per ASTM A967 / AMS 2700 — a nitric or citric acid treatment that strips free iron so the natural chromium oxide layer form (updated 2026-11)
- [Dry Film Lubricant Coating — IndFastPro | Specifications &](https://www.indfastpro.com/products/surface-finishes/dry-film-lubricant-coating/): Dry film lubricant per MIL-PRF-46010 — a thin bonded, non-oily coating of solid lubricant in a resin binder, applied over plated or passivated fasteners for c (updated 2026-11)
- [ISO Class 8.8 Bolts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/bolts/iso-class-8-8/): Property Class 8.8 bolts per ISO 898-1 — medium carbon steel, quenched and tempered, 800 MPa minimum tensile (830 MPa above M16), 640 MPa yield, 22–32 HRC. (updated 2026-11)
- [ISO Class 10.9 Bolts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/bolts/iso-class-10-9/): Property Class 10.9 bolts per ISO 898-1 — alloy steel, quenched and tempered, 1,040 MPa minimum tensile, 940 MPa yield, 32–39 HRC. (updated 2026-11)
- [ISO Class 12.9 Bolts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/bolts/iso-class-12-9/): Property Class 12.9 bolts per ISO 898-1 — high alloy steel, quenched and tempered, 1,220 MPa minimum tensile, 1,100 MPa yield, 39–44 HRC. (updated 2026-11)
- [ASTM A307 Bolts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/bolts/astm-a307/): ASTM A307 carbon steel bolts — low/medium carbon, 60,000 psi minimum tensile, Grades A and B, hardness B69–B100. (updated 2026-11)
- [ASTM F3125 Grade A325 Bolts — IndFastPro | Specifications](https://www.indfastpro.com/products/bolts/astm-a325/): Heavy hex structural bolts per ASTM F3125 Grade A325 — medium carbon steel, quenched and tempered, 120,000 psi minimum tensile (105,000 psi over 1"), proof (updated 2026-11)
- [ASTM F3125 Grade A490 Bolts — IndFastPro | Specifications](https://www.indfastpro.com/products/bolts/astm-a490/): Heavy hex structural bolts per ASTM F3125 Grade A490 — alloy steel, quenched and tempered, 150,000 psi minimum tensile, Types 1 and 3, never galvanized. (updated 2026-11)
- [ASTM F3125 Grade A325 Type 1 Structural Bolts](https://www.indfastpro.com/products/bolts/astm-f3125-a325-type-1/): Heavy hex structural bolts per ASTM F3125 Grade A325 Type 1 — medium carbon steel, quenched and tempered, 120,000 psi minimum tensile through 1 inch (105,000  (updated 2026-11)
- [ASTM F3125 Grade A325 Type 3 Structural Bolts](https://www.indfastpro.com/products/bolts/astm-f3125-a325-type-3/): Weathering-steel heavy hex structural bolts per ASTM F3125 Grade A325 Type 3 — the A325 type that develops a protective patina under cyclic wet-dry exposure,  (updated 2026-11)
- [DIN 603 / ISO 8678 Carriage Bolts (Round Head Square](https://www.indfastpro.com/products/bolts/din-603-carriage-bolt/): Mushroom (round) head square neck carriage bolts per DIN 603, ISO equivalent ISO 8678 — a smooth domed head that cannot be gripped from above and a square nec (updated 2026-11)
- [DIN 580 Lifting Eye Bolts — IndFastPro | Specifications &](https://www.indfastpro.com/products/bolts/din-580-eye-bolt/): Lifting eye bolts per DIN 580 — a threaded shank with a fixed ring (loop) at the other end, for rigging equipment under vertical or angled loading. (updated 2026-11)
- [DIN 444 Eye Bolts (Eyelet Bolts) — IndFastPro](https://www.indfastpro.com/products/bolts/din-444-eyelet-bolt/): Eye bolts per DIN 444 — an eye (loop/ring) at one end and a threaded shank at the other, for attaching rope or cable: thread into a pre-tapped hole or secure  (updated 2026-11)
- [SAE J429 Grade 5 Bolts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/bolts/sae-j429-grade-5/): SAE J429 Grade 5 — the medium-strength quenched-and-tempered inch-series workhorse: 120 ksi minimum tensile, 85 ksi proof load and C25–C34 hardness from 1/4″  (updated 2026-11)
- [SAE J429 Grade 8 Bolts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/bolts/sae-j429-grade-8/): SAE J429 Grade 8 — the high-strength inch-series alloy grade: 150 ksi minimum tensile, 130 ksi yield and 120 ksi proof load across the full 1/4″ through 1-1/2 (updated 2026-11)
- [ISO 4014 Hex Bolts (Partially Threaded) — IndFastPro](https://www.indfastpro.com/products/bolts/iso-4014-hex-bolts/): Partially threaded hexagon head bolts per ISO 4014 — the governing metric hex-bolt standard, covering M1.6 to M64 in product grades A and B with a defined unt (updated 2026-11)
- [ISO 4017 Hex Screws (Fully Threaded) — IndFastPro](https://www.indfastpro.com/products/bolts/iso-4017-hex-screws/): Fully threaded hexagon head screws per ISO 4017 — threaded to the head across M1.6 to M64 in product grades A and B, sharing ISO 4014's head geometry. (updated 2026-11)
- [ISO 4014 vs ISO 4017 — Choosing Partial or Full Thread](https://www.indfastpro.com/products/bolts/iso-4014-vs-iso-4017-hex-bolts/): Side-by-side selection comparison of the metric hex-head pair — ISO 4014 hexagon head bolts (partially threaded, defined unthreaded shank) versus ISO 4017 hex (updated 2026-11)
- [SAE J429 Grade 2 Bolts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/bolts/sae-j429-grade-2/): SAE J429 Grade 2 — the general-purpose low-carbon inch-series bolt grade: 74 ksi minimum tensile and 55 ksi proof load from 1/4″ through 3/4″, dropping to 60/ (updated 2026-11)
- [DIN 975 Threaded Rod — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/bolts/din-975-threaded-rod/): Metric fully threaded rod to the DIN 975 designation — M2–M64, 6g thread, 1–3 m lengths, carbon steel classes 4.6–12.9 and A2/A4 stainless (class 70 to M24, c (updated 2026-11)
- [DIN 976 Threaded Rod — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/bolts/din-976-threaded-rod/): Metric stud bolts and fully threaded rod to DIN 976-1 — 6g thread to ISO 965-2, product grade A to ISO 4759-1, property classes 4.8 to 12.9 (M3–M39), A2-70/A4 (updated 2026-11)
- [ASTM A193 Grade B7 Stud Bolts — IndFastPro](https://www.indfastpro.com/products/bolts/astm-a193-b7-stud/): Stud bolts and threaded rod in ASTM A193 Grade B7 — medium carbon alloy steel, quenched and tempered, 125 ksi minimum tensile (115 ksi over 2-1/2" to (updated 2026-11)
- [ASTM A193 Grade B8 Stud Bolts — IndFastPro](https://www.indfastpro.com/products/bolts/astm-a193-b8-stud/): Stud bolts and threaded rod in ASTM A193 Grade B8 — AISI 304 austenitic stainless, 75 ksi minimum tensile with no diameter restrictions, Brinell hardness max  (updated 2026-11)
- [ASTM A193 Grade B8M Stud Bolts — IndFastPro](https://www.indfastpro.com/products/bolts/astm-a193-b8m-stud/): Stud bolts and threaded rod in ASTM A193 Grade B8M — AISI 316 molybdenum-alloyed austenitic stainless, 75 ksi minimum tensile with no diameter restrictions, B (updated 2026-11)
- [ASTM A193 Grade B8M3 Stud Bolts (Class 2C) — IndFastPro](https://www.indfastpro.com/products/bolts/astm-a193-b8m3-stud/): Strain-hardened ASTM A193 Grade B8M3 (Class 2C) stud bolts — 316-family stainless with 85,000 psi minimum tensile, 65,000 psi yield (60,000 over 2"), 30% (updated 2026-11)
- [GB/T 15389-2025 Threaded Rod — IndFastPro | Specifications](https://www.indfastpro.com/products/bolts/gb-t-15389-2025-threaded-rod/): Threaded rod to China's current national standard GB/T 15389-2025 — coarse threads M2–M68 and fine threads M8×1–M72×6, carbon steel classes 8.8/10.9/12.9, nin (updated 2026-11)
- [Tension Control (TC) Bolts — F3125 F1852 — IndFastPro](https://www.indfastpro.com/products/bolts/tc-bolt-f1852/): Twist-off tension control bolts per ASTM F3125 Grade F1852 — the A325 strength level (120,000 psi minimum tensile) in a splined-tip assembly that shears at th (updated 2026-11)
- [DIN 6921 Hex Flange Bolts — IndFastPro | Specifications &](https://www.indfastpro.com/products/bolts/din-6921-flange-bolt/): Hexagon head bolts with flange per DIN 6921 — an integrated washer-face flange under the head, smooth or serrated, M5–M20 in the standard table, steel classes (updated 2026-11)
- [ASTM A449 Bolts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/bolts/astm-a449/): Quenched-and-tempered medium carbon steel hex bolts per ASTM A449, Type 1 or Type 3 — 120,000 psi minimum tensile up to 1 inch, stepping down through 1-1/2″ t (updated 2026-11)
- [ASTM A354 Bolts (Grades BC and BD) — IndFastPro](https://www.indfastpro.com/products/bolts/astm-a354/): Quenched-and-tempered alloy steel bolts per ASTM A354 in Grades BC and BD — Grade BC at 125,000 psi minimum tensile, Grade BD at 150,000 psi, both tabulated i (updated 2026-11)
- [U-Bolts by Pipe Size (IFI-136 Waterworks Series)](https://www.indfastpro.com/products/bolts/u-bolt-pipe-size/): U-bolts sized by nominal pipe size, 1/2 through 36 in, in the waterworks series: bolt diameter 1/4–1 in, hook (inside-leg spacing) C 15/16–36 1/8 in, length L (updated 2026-11)
- [DIN 931 Hex Head Bolts (Partially Threaded) — IndFastPro](https://www.indfastpro.com/products/bolts/din-931-hex-bolts-partially-threaded/): DIN 931 hexagon head bolts with shank — the partially threaded metric hex bolt, M1.6 to M39 — with the full collected 23-size table: pitch, thread-length band (updated 2026-11)
- [DIN 933 Hex Head Screws (Fully Threaded) — IndFastPro](https://www.indfastpro.com/products/bolts/din-933-hex-head-screws-fully-threaded/): DIN 933 hexagon head screws with thread to the head — the fully threaded metric hex screw, M1.6 to M52 — with the full collected 27-size table: pitch, head an (updated 2026-11)
- [DIN 186 T-Head Bolts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/bolts/din-186-t-head-bolts/): DIN 186 T-head bolts, M6 to M48 — the head shaped to slot into T-slots and channels so the bolt can clamp without nut access — with the full collected 11-size (updated 2026-11)
- [DIN 188 T-Head Bolts with Double Nib — IndFastPro](https://www.indfastpro.com/products/bolts/din-188-t-head-bolts/): DIN 188 T-head bolts with double nib, M8 to M80 — the T-head bolt whose nibs lock into the underside of a slot so the head cannot twist — with the full collec (updated 2026-11)
- [DIN 478 Square Head Bolts with Collar — IndFastPro](https://www.indfastpro.com/products/bolts/din-478-square-head-bolts-with-collar/): DIN 478 square head bolts with collar, M5 to M24 — the square head that a wrench cannot spin off, with a machined collar bearing face — with the full collecte (updated 2026-11)
- [DIN 479 Square Head Bolts with Short Dog Point](https://www.indfastpro.com/products/bolts/din-479-square-head-bolts-short-dog-point/): DIN 479 square head bolts with short dog point, M5 to M24 — the square head with a pilot dog point that locates the bolt in a reamed or drilled hole — with th (updated 2026-11)
- [DIN 480 Square Head Bolts with Collar and Dog Point](https://www.indfastpro.com/products/bolts/din-480-square-head-bolts-with-collar-and-dog-point/): DIN 480 square head bolts combining the DIN 478 collar with the DIN 479 dog point, M8 to M24 — machined seat plus pilot location in one bolt — with the full c (updated 2026-11)
- [DIN 103 Trapezoidal Thread Rods (Tr) — IndFastPro](https://www.indfastpro.com/products/bolts/din-103-trapezoidal-thread-rods/): DIN 103 trapezoidal thread rod, Tr 10 to Tr 60 — the multi-start-capable Tr profile bar that turns rotation into controlled linear motion, mating with the DIN (updated 2026-11)
- [ISO 8765 Hex Head Bolts (Fine Pitch) — IndFastPro](https://www.indfastpro.com/products/bolts/iso-8765-hex-head-bolts-fine-pitch/): ISO 8765 hexagon head bolts with shank and metric fine pitch thread, M8×1 to M64×4 — the partially threaded fine-pitch counterpart of ISO 4014, with the colle (updated 2026-11)
- [EN 14399-4 Hex Bolts with Large Head (System HV)](https://www.indfastpro.com/products/bolts/en-14399-4-hex-bolts-hv-structural/): EN 14399-4 hexagon bolts with large head for high-strength structural bolting, System HV, M12–M36 — the collected per-size tables: pitch, reference thread len (updated 2026-11)
- [DIN 6914 Hex Bolts with Large Head (System HV)](https://www.indfastpro.com/products/bolts/din-6914-heavy-hex-structural-bolts/): DIN 6914 hexagon bolts with large head, System HV structural bolting, M12–M36 — the collected per-size tables: pitch, shank d s, e, k, r, s and the split (updated 2026-11)
- [DIN 604 Flat Countersunk Nib Bolts — IndFastPro](https://www.indfastpro.com/products/bolts/din-604-flat-countersunk-nib-bolts/): DIN 604 flat countersunk nib bolts, M6–M24 — carriage-bolt family with a countersunk head and two nibs that key into the hole against rotation, with the colle (updated 2026-11)
- [DIN 607 Cup Head Nib Bolts — IndFastPro | Specifications &](https://www.indfastpro.com/products/bolts/din-607-cup-head-nib-bolts/): DIN 607 cup head nib bolts, M8–M16 — the nib-driven counterpart of the carriage bolt: domed cup head, cylindrical grip with nibs against rotation, with the co (updated 2026-11)
- [DIN 609 Hex Fit Bolts (Fitted Shank) — IndFastPro](https://www.indfastpro.com/products/bolts/din-609-hex-fit-bolts/): DIN 609 hex fit bolts, M8–M52 with K6 fitted shank — bolts with a ground cylindrical bearing shank for shear-loaded reamed holes, with the collected per-size  (updated 2026-11)
- [DIN 610 Hex Fit Bolts (Short Thread) — IndFastPro](https://www.indfastpro.com/products/bolts/din-610-hex-fit-bolts-short-thread/): DIN 610 hex fit bolts with short thread, M8–M42 — the shank-dominated fitted bolt for precision shear joints, with the collected per-size tables: coarse/fine  (updated 2026-11)
- [DIN 558 Hex Head Screws (Product Grades C, Long Series)](https://www.indfastpro.com/products/bolts/din-558-hex-head-screws/): DIN 558 hexagon head screws, M5–M36 — fully threaded hex screws of product grade C for low-duty through-bolting, with the collected per-size tables: pitch, a, (updated 2026-11)
- [ANSI/ASME B18.2.1 Hex Bolts (Inch Series) — IndFastPro](https://www.indfastpro.com/products/bolts/ansi-b18-2-1-hex-bolts-inch/): ANSI/ASME B18.2.1 square and hex head bolts, inch series 1/4″–2-1/2″ — the collected per-size tables: shank d s, across-flats s (Basic/max/min), across-corner (updated 2026-11)
- [ANSI/ASME B18.15 Lifting Eye Bolts (Shoulder Type)](https://www.indfastpro.com/products/bolts/ansi-asme-b18-15-lifting-eye-bolts/): ANSI/ASME B18.15 shoulder-type lifting eye bolts, nominal 1/4″–1-3/4″ — machinery eye bolts with a turned shoulder that seats to carry angled lifts, with the  (updated 2026-11)
- [ASME B18.15 Forged Eye Bolts (Inch Series, Plain and](https://www.indfastpro.com/products/bolts/asme-b18-15-forged-eye-bolts-inch/): ASME B18.15 forged eye bolts, inch series 1/4 – 2 1/2 in — plain pattern for straight tensile loading and shoulder pattern for limited angular loading, with t (updated 2026-11)
- [Mechanical Joint T-Head Bolts (ANSI/AWWA C111)](https://www.indfastpro.com/products/bolts/awwa-c111-t-head-bolts-mechanical-joint/): Mechanical joint T-head bolts for ductile-iron waterworks, aligned with ANSI/AWWA C111/A21.11 — the collected per-pipe-size chart: bolt size, length, quantity (updated 2026-11)
- [Flanged Joint Heavy Hex Bolts (ANSI/AWWA C115/C110)](https://www.indfastpro.com/products/bolts/awwa-heavy-hex-flanged-joint-bolts/): Heavy hex bolts for flanged ductile-iron and gray-iron joints, aligned with ANSI/AWWA C115/A21.15 and C110/A21.10 — the collected per-pipe-size chart: bolt si (updated 2026-11)
- [ASME B18.31.2 Continuous Thread Studs — UNC Threads, 1/4](https://www.indfastpro.com/products/bolts/asme-b18-31-2-continuous-thread-studs/): ASME B18.31.2 continuous thread stud dimensions — thread size, TPI, and the source's per-size table from 1/4 through 4 in UNC, with the designation convention (updated 2026-11)
- [US Bolt Grades & Strength Chart — SAE Grades 1–8.2 and](https://www.indfastpro.com/products/bolts/bolt-grade-strength-chart-sae-astm/): Minimum strength values for US inch-series bolts — SAE Grades 1, 2, 4, 5, 5.2, 7, 8, 8.2 and ASTM A307, A449, A325 (Types 1/2/3), A354 (BC/BD), A490 (Types 1/ (updated 2026-11)
- [AASHTO to ASTM Standard Conversions — Fastener and](https://www.indfastpro.com/products/bolts/aashto-astm-standard-conversions/): Eleven common AASHTO designations mapped to their ASTM counterparts — structural bolts (M-164/A325, M-253/A490), nuts (M-291/A563, M-292/A194), washers (M-293 (updated 2026-11)
- [DIN 1478 Turnbuckle Bodies (Closed Body) — IndFastPro](https://www.indfastpro.com/products/bolts/din-1478-turnbuckle-bodies/): DIN 1478 turnbuckle bodies, threads M6–M80x6 — the closed steel-tube take-up body with a right- and left-hand thread at each end, sized by the collected ladde (updated 2026-11)
- [DIN 1480 Turnbuckles, Forged (Open Form) — IndFastPro](https://www.indfastpro.com/products/bolts/din-1480-turnbuckles-forged-open-form/): DIN 1480 forged open-form turnbuckle bodies, M6–M56 — the hot-forged rigging screw body with open (C-saddle) ends that take hook or eye fittings, with the col (updated 2026-11)
- [DIN 938 Double-End Studs (Metal End ≈ 1 d) — IndFastPro](https://www.indfastpro.com/products/bolts/din-938-double-end-studs/): Double-end metric studs to DIN 938 — the metal (screwed-in) end at approximately 1 × thread diameter, nut-end thread length tabulated by grip L through (M52), (updated 2026-11)
- [DIN 939 Double-End Studs (Screwed-In End ≈ 1.25 d)](https://www.indfastpro.com/products/bolts/din-939-double-end-studs/): Double-end metric studs to DIN 939 — the screwed-in end at approximately 1.25 × thread diameter, nut-end thread length tabulated by grip L through (M52), with (updated 2026-11)
- [DIN 835 Double-End Studs (Screwed-In End ≈ 2 d)](https://www.indfastpro.com/products/bolts/din-835-double-end-studs/): Double-end metric studs to DIN 835 — the screwed-in end at approximately 2 × thread diameter, nut-end thread length tabulated by grip L, with the collected la (updated 2026-11)
- [DIN 525 Studs for Welding — IndFastPro | Specifications &](https://www.indfastpro.com/products/bolts/din-525-welding-studs/): Metric studs for welding to DIN 525 — plain-weldable studs M6 to M48 with the source's length ladder (nominal/min/max per size, 130 → 390 mm), the +2P，0 lengt (updated 2026-11)
- [DIN 605 Flat Countersunk Square Neck Bolts (Long Square)](https://www.indfastpro.com/products/bolts/din-605-flat-countersunk-square-neck-bolts/): Flat countersunk square-neck (coach) bolts to DIN 605 — long square neck, shank M6 to M10 in the collected ladder with head/shank/square-neck min-max rows and (updated 2026-11)
- [DIN 608 Flat Countersunk Square Neck Bolts (Short](https://www.indfastpro.com/products/bolts/din-608-flat-countersunk-square-neck-bolts/): Flat countersunk square-neck (coach) bolts to DIN 608 — short square neck, tabulated at M10 and M12 in the collected ladder with head/shank/neck min-max rows  (updated 2026-11)
- [ISO 4016 Hexagon Head Bolts, Production Class C](https://www.indfastpro.com/products/bolts/iso-4016-hex-head-bolts-class-c/): ISO 4016 hexagon head bolts with nut, production class C M5 to M64 — the wide-tolerance rough hex bolt with the collected attribute ladder (preferred + non-pr (updated 2026-11)
- [ISO 4018 Hexagon Head Screws, Production Class C](https://www.indfastpro.com/products/bolts/iso-4018-hex-head-screws-class-c/): ISO 4018 hexagon head screws, production class C M5 to M64 — fully threaded rough hex screws, with the collected D/P/K/C/R/A rows, the split DIN 558 vs ISO 40 (updated 2026-11)
- [ISO 7411 HV Structural Bolts — IndFastPro | Specifications](https://www.indfastpro.com/products/bolts/iso-7411-hv-structural-bolts/): ISO 7411 heavy hex head bolts for high-strength structural (HV) bolted connections, M12 to M36 — the full attribute grid (ds, dw, e, k, s, b thread-length ban (updated 2026-11)
- [ISO 2904 Metric Trapezoidal Screw Threads — IndFastPro](https://www.indfastpro.com/products/bolts/iso-2904-metric-trapezoidal-threads/): ISO 2904 basic dimensions for ISO metric trapezoidal screw threads — 70 Tr designations from Tr 8 × 1.5 to Tr 100 × 12 with pitch diameter d2 = D2, D4, d3, D1 (updated 2026-11)
- [BS 4439 Metric Screwed Studs — IndFastPro | Specifications](https://www.indfastpro.com/products/bolts/bs-4439-metric-screwed-studs/): BS 4439 screwed studs for general purposes, metric series 3 mm to 39 mm — the double-end stud with a 6g nut end and a closer-tolerance metal end (1D or 1.5D e (updated 2026-11)
- [BS 449 Bolt Loading Capacities — Grade 4.6 — IndFastPro](https://www.indfastpro.com/products/bolts/bs-449-loading-capacities-grade-4-6/): BS 449 working loading capacities for grade 4.6 bolts, M 1.6 to M 68 — tension capacity at 120 N/mm 2, shear at 80 N/mm 2, and bearing capacity at a bolt bear (updated 2026-11)
- [BS 449 Bolt Loading Capacities — Grade 6.8 — IndFastPro](https://www.indfastpro.com/products/bolts/bs-449-loading-capacities-grade-6-8/): BS 449 working loading capacities for grade 6.8 bolts, M 1.6 to M 68 — tension capacity at 210 N/mm 2, shear at 140 N/mm 2, and bearing capacity at a bolt bea (updated 2026-11)
- [BS 449 Bolt Loading Capacities — Grade 8.8 — IndFastPro](https://www.indfastpro.com/products/bolts/bs-449-loading-capacities-grade-8-8/): BS 449 working loading capacities for grade 8.8 bolts, M 1.6 to M 68 — tension capacity at 281 N/mm 2, shear at 187 N/mm 2, and bearing capacity at a bolt bea (updated 2026-11)
- [BS 449 Bolt Loading Capacities — Grade 10.9 — IndFastPro](https://www.indfastpro.com/products/bolts/bs-449-loading-capacities-grade-10-9/): BS 449 working loading capacities for grade 10.9 bolts, M 1.6 to M 68 — tension capacity at 350 N/mm 2, shear at 233 N/mm 2, and bearing capacity at a bolt be (updated 2026-11)
- [BS 449 Bolt Loading Capacities — Grade 12.9 — IndFastPro](https://www.indfastpro.com/products/bolts/bs-449-loading-capacities-grade-12-9/): BS 449 working loading capacities for grade 12.9 bolts, M 1.6 to M 68 — tension capacity at 420 N/mm 2, shear at 280 N/mm 2, and bearing capacity at a bolt be (updated 2026-11)
- [Bolt Root and Tensile Stress Area — IndFastPro](https://www.indfastpro.com/products/bolts/bolt-root-and-tensile-stress-area/): Root area and tensile stress area per bolt size — metric M 14 to M 100 (coarse series) and inch 1/2 to 4 in. (updated 2026-11)
- [Elongation Chart for Common Bolting Materials](https://www.indfastpro.com/products/bolts/elongation-chart-bolting-materials/): Elongation of nine common bolting materials — from Monel to 240 ksi high-strength steel — at 20% through 100% of yield strength, showing how much elastic-plus (updated 2026-11)
- [Spanner and Wrench Clearance Around Bolt Heads](https://www.indfastpro.com/products/bolts/head-clearances-spanner-wrench/): Wrench-access clearance dimensions around hex bolt heads and nuts, M 3 to M 36 — clearance a/b/c, clearance hole, minimum plate thickness, G clearance, nomina (updated 2026-11)
- [Bolt Edge Distance and Spacing — BS 5950 Legacy Data](https://www.indfastpro.com/products/bolts/edge-distances-bs-5950/): Minimum bolt edge distances and pitch spacing per BS 5950 legacy practice, M 12 to M 36 — clearance hole, pitch A and minimum edge distances B and C for preli (updated 2026-11)
- [Steel Bolt Strength Designation System — IndFastPro](https://www.indfastpro.com/products/bolts/steel-bolt-strength-designation/): Minimum tensile strength, yield stress and stress at permanent set limit per steel bolt strength grade 4.6 through 14.9, tabulated in the collected source's k (updated 2026-11)
- [ISO Metric Hexagon Hardware — Head, Nut and Washer](https://www.indfastpro.com/products/bolts/iso-metric-hexagon-head-dimensions/): Current ISO metric hexagon hardware dims in one reference: bolt coarse-pitch head heights and width across flats (M3 - M36), nut s/e/m ladders for coarse and  (updated 2026-11)
- [DIN 960 Hex Bolts (Fine Pitch, Partially Threaded)](https://www.indfastpro.com/products/bolts/din-960-hex-bolts-fine-pitch/): Partially threaded hexagon head bolts with fine-pitch thread per DIN 960 — nine size-block grids covering M8 to M100, with one or two fine pitch selections pe (updated 2026-11)
- [DIN 961 Hex Screws (Fine Pitch, Fully Threaded)](https://www.indfastpro.com/products/bolts/din-961-hex-screws-fine-pitch/): Fully threaded hexagon head screws with fine-pitch thread per DIN 961 — six size-block grids covering M8 to M52, threaded to the head, with one or two fine pi (updated 2026-11)
- [Mechanical Properties Chart (Property Classes)](https://www.indfastpro.com/products/bolts/mechanical-properties-chart/): Twenty mechanical-property tables for fastener steel, read by property class: the ISO 898-1 class 3.6–12.9 master table (tensile, hardness, yield, proof stres (updated 2026-11)
- [Grade Markings for Metric Fasteners — IndFastPro](https://www.indfastpro.com/products/bolts/grade-markings-metric-fasteners/): Head-marking symbols for metric fasteners by property class: screws per ISO 898-1 (classes 3.6-12.9, with the underlined-10.9 rule for low carbon martensitic  (updated 2026-11)
- [ASME B18.2.3.3M Heavy Hex Screws (Metric) — IndFastPro](https://www.indfastpro.com/products/bolts/asme-b18-2-3-3m-heavy-hex-screws-metric/): Metric heavy hex screws per ASME B18.2.3.3M — head and body dimension table for M12 to M36 with per-size thread pitches: body diameter Ds, width across flats/ (updated 2026-11)
- [ASME B18.2.3.4M Hex Flange Screws (Metric) — IndFastPro](https://www.indfastpro.com/products/bolts/asme-b18-2-3-4m-hex-flange-screws-metric/): Metric hex flange screws per ASME B18.2.3.4M — flanged-head dimension table for M5 to M16: body diameter, width across flats/corners, flange diameter Dc, bear (updated 2026-11)
- [ASME B18.2.3.9M Heavy Hex Flange Screws (Metric)](https://www.indfastpro.com/products/bolts/asme-b18-2-3-9m-heavy-hex-flange-screws-metric/): Metric heavy hex flange screws per ASME B18.2.3.9M — dimension table for M10 to M20: body diameter, heavy-series width across flats/corners, flange diameter D (updated 2026-11)
- [ASME B18.2.6M Heavy Hex Bolts (Metric) — IndFastPro](https://www.indfastpro.com/products/bolts/asme-b18-2-6m-heavy-hex-bolts-metric/): Metric heavy hex bolts per ASME B18.2.6M — per-size head geometry for M12 to M36 plus the grip-length table: body diameter E, width across flats F, across cor (updated 2026-11)
- [ASME B18.31.1M Metric Continuous-Thread Studs (Double-End](https://www.indfastpro.com/products/bolts/asme-b18-31-1m-metric-continuous-thread-studs/): Metric studs per ASME B18.31.1M — thread-length tables for the continuous-thread (full body) and double-end reduced-body configurations, M1.6 to M100: thread  (updated 2026-11)
- [DIN 2510 L/NF Stud Bolt and Nut Weight Chart](https://www.indfastpro.com/products/bolts/stud-bolt-weight-chart-din-2510/): Per-piece weights in kg for DIN 2510 L/NF wafer-style stud bolts M12 - M52 at lengths 50 - 300+, plus the per-nut weight row per size — the shipping and weld- (updated 2026-11)
- [ASME B16.5 / DIN 976 Full-Thread Stud Weight Chart](https://www.indfastpro.com/products/bolts/stud-bolt-weight-chart-b16-5-din-976/): Per-piece weights in kg for full-thread stud bolts — imperial series 3/8" - 4" (ASME B16.5 flange lengths, lengths 50 - 500 mm with inch equivalents) (updated 2026-11)
- [BS EN ISO 898-1:2013 Screw Loads (Proof, Tensile](https://www.indfastpro.com/products/bolts/bs-en-iso-898-1-screw-loads/): Per-size screw loads for ISO metric threads M6-M36 at property classes 4.6/8.8/10.9/12.9: nominal tensile stress area, minimum ultimate tensile load Fm,min, p (updated 2026-11)
- [Steel Threaded Rod Capacities (ASTM A36, Pipe Support](https://www.indfastpro.com/products/bolts/steel-threaded-rod-capacities-astm-a36/): Maximum load and coarse-thread root area for ASTM A36 steel threaded rod 1/4 in to 1-1/4 in as used for pipe support hangers — the capacity ladder behind thre (updated 2026-11)
- [ASME B18.2.6 Heavy Hex Structural Bolts (Inch, ASTM](https://www.indfastpro.com/products/bolts/asme-b18-2-6-heavy-hex-structural-bolts-inch/): ASME B18.2.6-2010 heavy hex structural bolts for ASTM A325 and A490 steels, 7/8 through 2-3/8 in: body diameter, width across flats and corners, head height a (updated 2026-11)
- [GB 5783-1986 Hexagon Head Bolts, Full Thread, Product](https://www.indfastpro.com/products/bolts/gb-5783-1986-hex-bolts-full-thread/): GB 5783-1986 fully threaded hexagon head bolts, product grades A and B, M3 to M64: pitch, thread runout a, head shear c, bearing diameters, across-flats and a (updated 2026-11)
- [GB/T 5781-2025 Hexagon Head Bolts, Full Thread, Product](https://www.indfastpro.com/products/bolts/gb-t-5781-hex-bolts-full-thread-grade-c/): GB/T 5781-2025 fully threaded hexagon head bolts, product grade C, M5 to M64: pitch, runout, bearing face, across-flats and corners, head height and fillet la (updated 2026-11)
- [GB/T 5786-2016 Hexagon Head Bolts with Fine Pitch Thread](https://www.indfastpro.com/products/bolts/gb-t-5786-2016-fine-pitch-hex-bolts-full-thread/): GB/T 5786-2016 fully threaded hexagon head bolts with metric fine pitch thread: per-size fine pitches, thread runout, bearing face, across-flats and corners,  (updated 2026-11)
- [DIN 601 Hexagon Head Bolts, Product Grade C — IndFastPro](https://www.indfastpro.com/products/bolts/din-601-hex-bolts-product-grade-c/): DIN 601 hexagon head bolts, product grade C, M5 to M52: shank tolerances, thread lengths by grip band, head geometry and the commercial length ladder to 300 mm. (updated 2026-11)
- [DIN 787 Bolts for T-Slots — IndFastPro | Specifications &](https://www.indfastpro.com/products/bolts/din-787-t-slot-bolts/): DIN 787 T-slot bolts, M5 to M48: T-slot width a with limit deviations, head and hook geometry (d2, e1, f, h1, h2, k) and commercial length ladders per slot si (updated 2026-11)
- [DIN 7999 High-Strength Hexagon Fit Bolts for Structural](https://www.indfastpro.com/products/bolts/din-7999-hv-fit-bolts-structural/): DIN 7999 high-strength hex fit bolts with large width across flats for structural steel bolting, M12 to M30: body d, head k, large s, e min, y and the length  (updated 2026-11)
- [DIN 940 Studs, Metal End ≈2,5d — IndFastPro](https://www.indfastpro.com/products/bolts/din-940-studs-metric-end-2-5d/): DIN 940 double-ended studs with ≈2,5d metal end, M4 to M24 including fine-pitch variants: engagement b1, nut-end b2 by length band, shank ds and the length la (updated 2026-11)
- [DIN 985 Nylon-Insert Lock Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/din-985-nyloc/): Nylon-insert prevailing-torque lock nuts per DIN 985 — a nylon collar grips the bolt threads and resists back-off, good to roughly 250°F (≈120°C), reusable a  (updated 2026-11)
- [DIN 980 All-Metal (Stover) Lock Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/din-980-stover/): All-metal prevailing-torque lock nuts per DIN 980 (Stover type) — a one-piece steel nut whose distorted top thread grips the bolt by metal-to-metal friction. (updated 2026-11)
- [DIN 6923 Serrated Flange Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/din-6923-flange/): Serrated hex flange nuts per DIN 6923 — a built-in flange spreads the load like an integrated washer while conical teeth bite the bearing surface and resist b (updated 2026-11)
- [DIN 6924 Nylon-Insert Lock Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/din-6924-locknut/): Nylon-insert (non-metallic insert) hex lock nuts per DIN 6924 — the full-height prevailing-torque pattern, M3 to M48 in steel classes 5/8/10 and A4 stainless, (updated 2026-11)
- [ASTM A194 Grade 2H Heavy Hex Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/astm-a194-2h/): ASTM A194 Grade 2H heavy hex nuts — medium-carbon steel, quenched and tempered, 175 ksi proof-load stress at C24–C38 Rockwell across 1/4" to 4". (updated 2026-11)
- [SAE Grade 5 Serrated Flange Nuts (Inch Series)](https://www.indfastpro.com/products/nuts/sae-grade-5-serrated-flange-nut/): Inch-series serrated flange nuts rated SAE Grade 5 — 1/4" through 3/4" nominal in UNC coarse and UNF fine pitches, with a load-spreading flange whose (updated 2026-11)
- [DIN 934 Hex Nuts (ISO 4032) — IndFastPro | Specifications](https://www.indfastpro.com/products/nuts/din-934-hex-nut/): Standard-height metric hexagon nuts (style 1) per DIN 934, dimensioned to EN ISO 4032 — preferred threads M1.6 to M64, steel classes 6/8/10/12 and A2/A4 stain (updated 2026-11)
- [DIN 1587 Domed Cap Nuts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/nuts/din-1587-cap-nut/): Hexagon domed cap nuts per DIN 1587 — a domed crown covers the thread run-out, M4 to M24 in coarse and fine pitch (series 2), steel class 6, stainless A2/A4,  (updated 2026-11)
- [ASME B18.2.2 Finished Hex Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/asme-b18-2-2-finished-hex-nut/): Finished hex nuts per ANSI/ASME B18.2.2 — the standard-pattern hex nut of the inch series, 1/4" through 2-1/2" nominal size, machined (rather than (updated 2026-11)
- [KM01 Removable Security Nuts — IndFastPro | Specifications](https://www.indfastpro.com/products/nuts/km01-removable-security-nut/): Tamper-resistant rounded security nuts with a patented indentation pattern, installed and removed with a restricted-supply matching driver — high torque, reus (updated 2026-11)
- [KM02 Permanent One-Way Security Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/km02-permanent-one-way-security-nut/): Permanent tamper-resistant security nuts with the same rounded indentation-pattern head as the KM01 but no removal path — tightened once with the restricted d (updated 2026-11)
- [SO01 Shear Nuts (Security Breakaway Nuts) — IndFastPro](https://www.indfastpro.com/products/nuts/so01-shear-security-breakaway-nut/): Two-part breakaway security nuts: the hex drive section shears off at a built-in groove once installation torque peaks, leaving a plain tapered cone with noth (updated 2026-11)
- [DIN 315 Wing Nuts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/nuts/din-315-wing-nut/): Metric wing nuts (butterfly nuts) per DIN 315, German type — two rounded wings for hand tightening, M4 to M24 in steel and stainless steel A2/A4. (updated 2026-11)
- [DIN 439 Thin Hex Jam Nuts — IndFastPro | Specifications &](https://www.indfastpro.com/products/nuts/din-439-jam-nut/): Thin hexagonal jam nuts per DIN 439 — about half the thickness of a standard hex nut (0.5 × diameter), in unchamfered Type A and chamfered Type B, right- and  (updated 2026-11)
- [ASTM A194 Grade 8M Heavy Hex Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/astm-a194-8m/): ASTM A194 Grade 8M heavy hex nuts — austenitic stainless steel with a deliberate molybdenum addition (Cr 16.00–18.00%, Ni 10.00–14.00%, Mo 2.00–3.00%), carbid (updated 2026-11)
- [ASTM A194 Nut Grades — Overview and Selection](https://www.indfastpro.com/products/nuts/astm-a194-grades/): ASTM A194 covers carbon and alloy steel nuts for high-pressure and high-temperature service — grades 2H, 2HM, 4, 7, 7M, 8 and 8M in heavy hex, square and heav (updated 2026-11)
- [ASTM A194 Grade 6 Heavy Hex Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/astm-a194-6/): ASTM A194 Grade 6 heavy hex nuts — quenched and tempered Type 410 martensitic stainless steel (Cr 11.5–13.5%, UNS S41000), 228–271 HB hardness (Rockwell C 20– (updated 2026-11)
- [ASTM A194 Grade 8 Heavy Hex Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/astm-a194-8/): ASTM A194 Grade 8 heavy hex nuts — austenitic stainless steel, AISI Type 304 chemistry (Cr 18.0–20.0%, Ni 8.0–11.0%, UNS S30400), hardness 126–300 HB with the (updated 2026-11)
- [ASTM A194 Grade 2HM Heavy Hex Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/astm-a194-2hm/): ASTM A194 Grade 2HM heavy hex nuts — quenched and tempered carbon steel sharing the Grade 2/2H chemistry row (C 0.40% min, Mn 1.00% max), the hardness-control (updated 2026-11)
- [ASTM A194 Grade 4 Heavy Hex Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/astm-a194-4/): ASTM A194 Grade 4 heavy hex nuts — quenched and tempered carbon-molybdenum alloy steel (C 0.40–0.50%, Mo 0.20–0.30%), the low-temperature/pressure-duty alloy  (updated 2026-11)
- [ASTM A194 Grade 7 Heavy Hex Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/astm-a194-7/): ASTM A194 Grade 7 heavy hex nuts — quenched and tempered chromium-molybdenum alloy steel of the AISI 4140 type (C 0.37–0.49%, Cr 0.75–1.20%, Mo 0.15–0.25%), t (updated 2026-11)
- [ASTM A194 Grade 7M Heavy Hex Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/astm-a194-7m/): ASTM A194 Grade 7M heavy hex nuts — quenched and tempered alloy steel sharing Grade 7's AISI 4140-type chemistry row (C 0.37–0.49%, Cr 0.75–1.20%, Mo 0.15–0.2 (updated 2026-11)
- [SB001 Socket Countersunk Barrel Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/sb001-socket-countersunk-barrel-nut/): Internally threaded barrel nuts (sex bolts) with a socket countersunk head, M3–M16, barrels 4.5–22 mm with head diameters 6–30 mm as tabulated. (updated 2026-11)
- [SB002 Slotted Raised Countersunk Barrel Nuts](https://www.indfastpro.com/products/nuts/sb002-slotted-raised-countersunk-barrel-nut/): Slotted-drive raised countersunk barrel nuts (sex bolts) in M4–M8, with 90° countersunk heads, closed ends and head diameters 7–15 mm as tabulated. (updated 2026-11)
- [SB004 Low Profile Socket Barrel Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/sb004-low-profile-socket-barrel-nut/): Closed-end low-profile barrel nuts (sleeve nuts) with hex socket drive, M5–M8 in A4 stainless steel. (updated 2026-11)
- [SB005 Domed Low Profile Barrel Nuts (No Drive)](https://www.indfastpro.com/products/nuts/sb005-domed-low-profile-barrel-nut/): Drive-less domed low-profile barrel nuts (sleeve nuts), M5–M8 in A4 stainless steel — 10.0–14.0 mm domed heads over 7.13–11.0 mm bodies, lengths 43–60 mm. (updated 2026-11)
- [SB007 Socket Button Barrel Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/sb007-socket-button-barrel-nut/): Socket button head barrel nuts (button head sleeve nuts) with hex recess heads, M5–M10 in zinc-plated steel. (updated 2026-11)
- [SB008 Torx (6-Lobe TX) Mushroom Head Barrel Nuts](https://www.indfastpro.com/products/nuts/sb008-torx-mushroom-head-barrel-nut/): Six-lobe Torx-drive mushroom head barrel nuts, M8–M16 in A2 stainless steel. (updated 2026-11)
- [SB010 Socket Cap Barrel Nuts — IndFastPro | Specifications](https://www.indfastpro.com/products/nuts/sb010-socket-cap-barrel-nut/): Socket cap barrel nuts (internally driven sleeve nuts) M2–M5 in 303/A1 and 316/A4 stainless steel — bodies 4–12 mm with 6–20 mm cap heads, 2–6 mm A/F hex rece (updated 2026-11)
- [SB08 Hex Head Barrel Nuts (Hex Sleeve Nuts) — IndFastPro](https://www.indfastpro.com/products/nuts/sb08-hex-head-barrel-nut/): Imperial hex head barrel nuts (sex bolts): internally threaded, smooth-barrel sleeves under a standard hexagon head, 5/16"–1/2" barrel diameters with (updated 2026-11)
- [2H06 Two-Hole (Pig Nose) Spanner Security Nuts](https://www.indfastpro.com/products/nuts/2h06-two-hole-pig-nose-spanner-security-nut/): Reusable spanner-drive security nuts with a two-hole (pig nose) head pattern, M5–M10 as tabulated: head diameters 12–22 mm, heights 4.2–8.0 mm, hole diameters (updated 2026-11)
- [2H15 Angled Two-Hole Security Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/2h15-angled-two-hole-security-nut/): Angled spanner-drive security nuts whose two-hole pattern sits at an angle to the face, M6–M10 and 1/4"-20 to 3/8"-16 as tabulated — a uniform 25.4 mm (updated 2026-11)
- [4H02 Four-Hole Security Nuts — IndFastPro | Specifications](https://www.indfastpro.com/products/nuts/4h02-four-hole-security-nut/): Four-hole spanner-drive security nuts with four location holes ringed by a slim circular groove, M6–M20 as tabulated — height A 5.5–17.1 mm, groove/feature de (updated 2026-11)
- [WA02 Security Scroll (Wave) Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/wa02-scroll-wave-security-nut/): Scroll-drive (wave profile) security nuts, M2–M48 metric and No.2–7/8" imperial as tabulated: head heights 3.2–14.2 mm, diameters 7.9–38.0 mm, with (updated 2026-11)
- [WA06 Scroll Security Barrel Nuts & Sex Bolts](https://www.indfastpro.com/products/nuts/wa06-scroll-security-barrel-nut/): Scroll (wave) spanner-drive security barrel nuts — female internally threaded sex-bolt halves with the high-torque scroll drive, M2–M48 metric and No.2–7/8" (updated 2026-11)
- [2H07 Pan Head Two-Hole Security Barrel Nuts & Sex Bolts](https://www.indfastpro.com/products/nuts/2h07-pan-head-two-hole-security-barrel-nut/): Two-hole spanner-drive security barrel nuts with a low-profile pan head — female internally threaded sex-bolt halves whose male/female pairs carry matched hea (updated 2026-11)
- [2H08 Countersunk Two-Hole Security Barrel Nuts & Sex](https://www.indfastpro.com/products/nuts/2h08-countersunk-two-hole-security-barrel-nut/): Countersunk two-hole spanner-drive security barrel nuts — tamper-resistant sex-bolt pairs (male-female screws) with matched countersunk heads that sit flush,  (updated 2026-11)
- [ASME B18.2.2 Heavy Hex Nuts — IndFastPro | Specifications](https://www.indfastpro.com/products/nuts/asme-b18-2-2-heavy-hex-nut/): Heavy hex nuts per ASME B18.2.2 — the wide-body hex nut of the inch series, 1/4" through 4" nominal size, larger and thicker than a standard hex nut at (updated 2026-11)
- [ASTM A563 Heavy Hex Nut Grades — IndFastPro](https://www.indfastpro.com/products/nuts/astm-a563-grades/): ASTM A563 is the standard for carbon and alloy steel nuts — grade, proof load and hardness. (updated 2026-11)
- [DIN 1804 Slotted Round Nuts (for Hook Spanner)](https://www.indfastpro.com/products/nuts/din-1804-slotted-round-nuts/): Slotted round nuts per DIN 1804 for hook-spanner tightening — a plain cylindrical nut with radial slots on its face, tabulated from M6 through M200, the retai (updated 2026-11)
- [DIN 935 Hex Slotted and Castle Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/din-935-castle-nuts/): Hex slotted and castle nuts per DIN 935 — a hex nut with a cylindrical top section carrying radial slots for a cotter pin, tabulated M4 through M100 with slot (updated 2026-11)
- [DIN 937 Hex Thin Slotted Nuts (Chamfered) — IndFastPro](https://www.indfastpro.com/products/nuts/din-937-thin-slotted-nuts/): Hex thin slotted nuts per DIN 937, chamfered — the low-profile counterpart to the DIN 935 castle nut, tabulated M6 through M52, for cotter-pin locking where h (updated 2026-11)
- [NAS1291 Low-Height Self-Locking Hex Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/nas1291-low-height-self-locking-nut/): Hexagon self-locking low-height, lightweight nuts per NAS1291 — dash numbers -02 (.0860-56 UNJC-3B) through -10 (.6250-18 UNJF-3B) in steel for 450°F service  (updated 2026-11)
- [MS21042 Self-Locking Jet Nuts (450 °F Steel)](https://www.indfastpro.com/products/nuts/ms21042-jet-nut/): MS21042 all-metal self-locking hex jet nuts in corrosion- and heat-resistant steel, rated 450 °F service at 160 KSI — the military-standard counterpart to the (updated 2026-11)
- [MS21043 Self-Locking Jet Nuts (800 °F A286) — IndFastPro](https://www.indfastpro.com/products/nuts/ms21043-jet-nut/): MS21043 all-metal self-locking hex jet nuts in A286 corrosion-resistant steel with extended washer, rated 800 °F — the hot-section member of the military K-nu (updated 2026-11)
- [ASME B18.6.9 Wing Nuts — Type C, Style 1 (Inch)](https://www.indfastpro.com/products/nuts/asme-b18-6-9-wing-nut-type-c-style-1/): Inch-series wing nuts in the ASME B18.6.9 (R2017) Type C Style 1 pattern — the fine-pattern, defined-corner wing nut standardised with per-size width across f (updated 2026-11)
- [ASME B18.6.9 Wing Nuts — Type C, Style 3 (Inch)](https://www.indfastpro.com/products/nuts/asme-b18-6-9-wing-nut-type-c-style-3/): The larger size range of the ASME B18.6.9 (R2017) Type C inch wing-nut pattern, tabulated per nominal size with width across flats, shoulder diameter, wing he (updated 2026-11)
- [ASTM A194 Grade 7L Heavy Hex Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/astm-a194-7l/): Heavy hex nuts in ASTM A194 Grade 7L — the low-temperature member of the Grade 7 pair: identical chromium-molybdenum chemistry (AISI 4140/4142 family, C 0.37– (updated 2026-11)
- [ISO 4032 Hex Regular Nuts (Style 1) — IndFastPro](https://www.indfastpro.com/products/nuts/iso-4032-hex-nuts/): ISO 4032 hex regular nuts, style 1 — the standard-height metric hex nut, M1.6 to M60 — with the full collected 29-size table: pitch, countersink and bearing-f (updated 2026-11)
- [ISO 4035 Hex Thin Nuts (Chamfered) — IndFastPro](https://www.indfastpro.com/products/nuts/iso-4035-hex-thin-nuts/): ISO 4035 hex thin nuts, chamfered — the reduced-height metric hex nut, M1.6 to M64 — with the full collected 29-size table: pitch, countersink and bearing-fac (updated 2026-11)
- [DIN 6334 Hex Coupling Nuts (Long Hex Nuts) — IndFastPro](https://www.indfastpro.com/products/nuts/din-6334-hex-coupling-nuts/): DIN 6334 hex coupling nuts — the long hex nut at roughly 1.5 × thread diameter length, M6 to M36 — with the full collected 14-size table: pitch, across-flats, (updated 2026-11)
- [DIN 6926 Hex Flange Nuts (Heavy Type) — IndFastPro](https://www.indfastpro.com/products/nuts/din-6926-hex-flange-nuts/): DIN 6926 hex nuts with flange, heavy type — the wide-flange metric flange nut, M5 to M20, coarse and two fine-pitch series — with the full collected 8-size ta (updated 2026-11)
- [DIN 6915 High-Strength Hex Nuts for Structural Bolting](https://www.indfastpro.com/products/nuts/din-6915-structural-hex-nuts/): DIN 6915 high-strength hex nuts for structural bolting, M12 to M36 — the HV-system partner nut of DIN 6914 large-head structural bolts — with the full collect (updated 2026-11)
- [DIN 936 Hex Thin Nuts (Chamfered) — IndFastPro](https://www.indfastpro.com/products/nuts/din-936-hex-thin-nuts-chamfered/): DIN 936 chamfered thin hex nuts, M8 to M52 — the low-height jam and locknut of the hex series — with the full collected 18-size table across coarse and three  (updated 2026-11)
- [DIN 557 Square Nuts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/nuts/din-557-square-nuts/): DIN 557 square nuts, M5 to M16 — the four-sided nut for recesses, channels and antique-look assemblies — with the full collected 8-size table: corner and flat (updated 2026-11)
- [DIN 929 Hex Weld Nuts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/nuts/din-929-hex-weld-nuts/): DIN 929 hex weld nuts, M3 to M16 — the hex nut with pilot ring and weld projections that fuses into thin sheet — with the full collected 11-column table: pitc (updated 2026-11)
- [DIN 508 T-Slot Nuts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/nuts/din-508-t-slot-nuts/): DIN 508 T-slot nuts, M4 to M48 — the tongue nut that drops into a machine table's T-slot and turns it into a clamping point — with the full collected 13-size  (updated 2026-11)
- [DIN 928 Square Weld Nuts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/nuts/din-928-square-weld-nuts/): DIN 928 square weld nuts, M4 to M16 — the square-bodied counterpart to DIN 929 with pilot ring and weld projections that fuse into thin sheet — with the full  (updated 2026-11)
- [DIN 582 Lifting Eye Nuts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/nuts/din-582-lifting-eye-nuts/): DIN 582 lifting eye nuts, M6 to M100×6 — the female-thread eyebolt that screws onto a stud to give a hoisting point — with the full collected 25-size table: r (updated 2026-11)
- [DIN 103 Trapezoidal Thread Hex Nut (Tr) — IndFastPro](https://www.indfastpro.com/products/nuts/din-103-trapezoidal-hex-nut/): DIN 103 trapezoidal hex nut, Tr 10 to Tr 40 — the hex-profile travel nut for Tr lead screws, wrench-flatted for anti-rotation in the housing — with the collec (updated 2026-11)
- [DIN 103 Trapezoidal Thread Round Nut (Tr) — IndFastPro](https://www.indfastpro.com/products/nuts/din-103-trapezoidal-round-nut/): DIN 103 trapezoidal round nut, Tr 10 to Tr 40 — the cylindrical travel nut pressed or pinned into a machined bore — with the collected 14-size table: thread d (updated 2026-11)
- [DIN 1479 Hex Turnbuckle Nuts — IndFastPro | Specifications](https://www.indfastpro.com/products/nuts/din-1479-hex-turnbuckle-nuts/): DIN 1479 hex turnbuckle nuts, M6 to M30 — the long unslotted hex nut that takes-up and locks turnbuckle and tension-rod threads — with the collected per-size  (updated 2026-11)
- [DIN 1624 Tee Nuts with Prongs — IndFastPro](https://www.indfastpro.com/products/nuts/din-1624-tee-nuts/): DIN 1624 tee nuts with prongs, M4 to M10 — the flat-flange T nut pressed into wood and soft sheet, its prongs biting the blind hole — with the collected per-s (updated 2026-11)
- [DIN 431 Pipe Nuts (G Thread) — IndFastPro | Specifications](https://www.indfastpro.com/products/nuts/din-431-pipe-nuts/): DIN 431 pipe nuts, G 1/8 to G 6 — the wide hex union nut that clamps parallel pipe-thread fittings together — with the collected per-size tables: across corne (updated 2026-11)
- [DIN 466 Knurled Nuts — High Type — IndFastPro](https://www.indfastpro.com/products/nuts/din-466-knurled-nuts-high-type/): DIN 466 knurled nuts, high type, M1 to M10 — the tall round thumb nut whose knurl is formed for grip, not machined for accuracy — with the collected per-size  (updated 2026-11)
- [DIN 467 Knurled Nuts — Low Type — IndFastPro](https://www.indfastpro.com/products/nuts/din-467-knurled-nuts-low-type/): DIN 467 knurled nuts, low type, M1 to M10 — the flush-height round thumb nut for instrument panels and covered assemblies — with the collected per-size tables (updated 2026-11)
- [DIN 562 Square Thin Nuts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/nuts/din-562-square-thin-nuts/): DIN 562 square thin nuts, M1.6 to M10 — the low-profile four-flat nut for narrow jam nuts and insert work in small assemblies — with the collected per-size ta (updated 2026-11)
- [DIN 917 Hex Cap Nuts — Low Type — IndFastPro](https://www.indfastpro.com/products/nuts/din-917-hex-cap-nuts-low-type/): DIN 917 hex cap nuts, low type, M4 to M72 — the domed hex nut that covers the thread end, in the low-domed height for compact joints — with the collected per- (updated 2026-11)
- [DIN 555 Hex Nuts (Product Grade C) — IndFastPro](https://www.indfastpro.com/products/nuts/din-555-hex-nuts/): DIN 555 hex nuts, product grade C, M5 to M100 — the rough-tolerance hex nut for structural, agricultural and general site work — with the collected per-size t (updated 2026-11)
- [ISO 8673 Hex Regular Nuts (Fine Pitch) — IndFastPro](https://www.indfastpro.com/products/nuts/iso-8673-hex-regular-nuts-fine-pitch/): ISO 8673 hexagon regular nuts with metric fine pitch thread, M8×1 to M64×4 — the standard-height hex nut in the fine-pitch series, with the collected per-size (updated 2026-11)
- [DIN 979 Hex Thin Slotted and Castle Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/din-979-hex-thin-slotted-castle-nuts/): DIN 979 hexagon thin slotted and castle nuts, M6 to M52 — the low-profile slotted nut for jamming and cotter-pin locking on threaded rods and shafts, with the (updated 2026-11)
- [DIN 982 Hex Thick Nuts with Non-Metallic Insert](https://www.indfastpro.com/products/nuts/din-982-hex-thick-nuts-nylon-insert/): DIN 982 hexagon thick nuts ("Tall NYLOC") with non-metallic nylon insert, M5 to M24 — the tall prevailing-torque lock nut whose nylon collar grips the (updated 2026-11)
- [DIN 986 Hex Domed Cap Nuts with Non-Metallic Insert](https://www.indfastpro.com/products/nuts/din-986-hex-domed-cap-nuts-nylon-insert/): DIN 986 hexagon domed cap nuts with non-metallic nylon insert, M4 to M20 — the acorn nut that locks by prevailing torque and closes the bolt end under a domed (updated 2026-11)
- [DIN 7967 Self-Locking Counter Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/din-7967-self-locking-counter-nuts/): DIN 7967 self-locking counter nuts (sheet counter-nuts), M4 to M52 — the thin pressed lock nut that spins onto a bolt and locks by its deformed thread, with t (updated 2026-11)
- [DIN 6927 Hex Nuts with Flange (Prevailing Torque](https://www.indfastpro.com/products/nuts/din-6927-hex-flange-nuts-all-metal/): DIN 6927 hexagon nuts with flange, prevailing torque type all-metal, M5–M20 — the integrated washer face plus an all-metal locking element in one nut, with th (updated 2026-11)
- [ASME B18.2.2 Hex Coupling Nuts (Inch Series)](https://www.indfastpro.com/products/nuts/asme-b18-2-2-hex-coupling-nuts-inch/): ASME B18.2.2 hex coupling nuts, inch series #6 – 6 in — the elongated hex nut that joins two threaded rods end-to-end or extends a stud, with the collected pe (updated 2026-11)
- [ASME B18.2.2 Hex Slotted (Castle) Nuts (Inch Series)](https://www.indfastpro.com/products/nuts/asme-b18-2-2-hex-slotted-nuts-inch/): ASME B18.2.2 hex slotted (castle) nuts, inch series 1/4 – 1 1/2 in — the slotted hex nut that locks against a cotter pin through a drilled shank, with the col (updated 2026-11)
- [ASME B18.2.2 Hex Flange Nuts (Inch Series) — IndFastPro](https://www.indfastpro.com/products/nuts/asme-b18-2-2-hex-flange-nuts-inch/): ASME B18.2.2 hex flange nuts, inch series No. (updated 2026-11)
- [ASME B18.2.2 Square Nuts (Inch Series) — IndFastPro](https://www.indfastpro.com/products/nuts/asme-b18-2-2-square-nuts-inch/): ASME B18.2.2 square nuts, inch series 1/4 – 1 1/2 in — the four-flat pattern paired with carriage bolts and square-head hardware, with the collected per-size  (updated 2026-11)
- [ASME B18.6.9 Wing Nuts (Inch Series) — IndFastPro](https://www.indfastpro.com/products/nuts/asme-b18-6-9-wing-nuts-inch/): ASME B18.6.9 wing nuts, inch series #3 – 3/4 in — the hand-tightened nut in the cold-forged solid pattern (Type A), with the collected per-size chart across t (updated 2026-11)
- [Low Crown Acorn Nuts (Inch Series) — IndFastPro](https://www.indfastpro.com/products/nuts/acorn-nuts-low-crown-inch/): Low crown acorn nuts, inch series 0.138–1.25 nominal — the dome-top hex nut with a shortened crown for clearance-limited assemblies, with the collected per-si (updated 2026-11)
- [Hex Thick Nuts (Inch Series) — IndFastPro | Specifications](https://www.indfastpro.com/products/nuts/asme-hex-thick-nuts-inch/): Hex thick nuts, inch series 1/4 – 1 1/2 nominal — the taller hex pattern between the standard hex nut and the heavy hex nut, with the collected per-size table (updated 2026-11)
- [High Crown Acorn Nuts (Inch Series) — IndFastPro](https://www.indfastpro.com/products/nuts/acorn-nuts-high-crown-inch/): High crown acorn nuts, inch series #4–1 nominal — the two-piece closed-end dome-top hex cap nut with the full-height crown, with the collected per-size table: (updated 2026-11)
- [DIN 981 Locknuts (KM Series, Bearing Mounting)](https://www.indfastpro.com/products/nuts/din-981-bearing-locknuts/): DIN 981 locknuts, threads M10x0,75–M140x2 (KM0–KM28) — the knurled-slot round locknut that clamps a bearing inner ring or a tapered adaptor sleeve, with the c (updated 2026-11)
- [DIN 977 Hexagon Weld Nuts with Flange — IndFastPro](https://www.indfastpro.com/products/nuts/din-977-hexagon-weld-nuts-with-flange/): DIN 977 hexagon weld nuts with flange, M5–M16 — the flanged hex nut resistance-welded onto sheet or bracket faces, with the collected flange/weld-face geometr (updated 2026-11)
- [DIN 1816 Round Nuts with Set-Pin Holes (Inside)](https://www.indfastpro.com/products/nuts/din-1816-round-nuts-with-set-pin-holes/): DIN 1816 round nuts with set-pin holes inside, M6×0,75 – M200×3 — the slotted-alternative bearing locknut locked by a set pin through drilled face holes, with (updated 2026-11)
- [ISO 299 Nuts for T-Slots — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/nuts/iso-299-t-slot-nuts/): ISO 299 T-slot nuts M4 to M48 — the tongue-and-key machine-table nut that slides into the T-slot and clamps workholding down, with the collected a/e/f/h/k/d/F (updated 2026-11)
- [ISO 7042 Prevailing Torque All-Metal Hex Nuts](https://www.indfastpro.com/products/nuts/iso-7042-prevailing-torque-all-metal-hex-nuts/): ISO 7042 hexagon nuts with clamping part, all-metal — M3 to M39 with fine-pitch alternates — the reusable vibration-lock nut, with the collected da/dv/e/h/m/s (updated 2026-11)
- [ISO 7035 Hexagon Slotted Castle Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/iso-7035-hexagon-slotted-castle-nuts/): ISO 7035 hexagon slotted castle nuts M4 to M100x6, coarse with fine-pitch alternates — the slotted crown that locks against a split pin, with the collected da (updated 2026-11)
- [ISO 4775 Hexagon Nuts with Large Widths Across Flats](https://www.indfastpro.com/products/nuts/iso-4775-hex-nuts-large-width-hv-connections/): ISO 4775 hexagon nuts with large widths across flats for high-strength (overhead line) connections M12 to M36 — the wide-hex heavy nut with the collected dw/e (updated 2026-11)
- [ISO 8675 Hex Nuts Low Form, Fine Pitch — IndFastPro](https://www.indfastpro.com/products/nuts/iso-8675-hex-nuts-low-form-fine-pitch/): ISO 8675 hex nuts low form with metric fine pitch thread M8 to M52 — the thin plain nut with the collected da/dw/e/m/m'/s rows, per-nominal fine-pitch alterna (updated 2026-11)
- [ASME B18.2.4.6M Heavy Hex Nuts (Metric) — IndFastPro](https://www.indfastpro.com/products/nuts/asme-b18-2-4-6m-metric-heavy-hex-nuts/): Metric heavy hex nuts per ASME B18.2.4.6M — dimension table M12 to M100: width across flats/corners, thickness M, bearing face diameter Dw, washer face thickn (updated 2026-11)
- [Standard T-Nuts (ASME B5.1M) — IndFastPro | Specifications](https://www.indfastpro.com/products/nuts/asme-b5-1m-t-nuts/): ASME B5.1M T-nut dimensions, nominal sizes M4 to M42 (with inch counterparts): width A3, stud tap E3, width B3, height C3, thickness K3, length L3, and corner (updated 2026-11)
- [ASME B18.2.6M Metric Heavy Hex Nuts for Structural Bolts](https://www.indfastpro.com/products/nuts/asme-b18-2-6m-heavy-hex-structural-nuts/): ASME B18.2.6M-2012 metric heavy hex nuts for use with heavy hex structural bolts, ASTM A563M grades, M12 to M36: thread pitch, width across flats and corners, (updated 2026-11)
- [DIN 314 Wing Nuts, Edged Wings (American Form)](https://www.indfastpro.com/products/nuts/din-314-wing-nuts-edged-wings/): DIN 314 wing nuts with edged wings, American form, M4 to M12: toleranced wing and nut geometry, plus UNI 5448 and market-common reference tables to M22. (updated 2026-11)
- [DIN 546 Slotted Round Nuts — IndFastPro | Specifications &](https://www.indfastpro.com/products/nuts/din-546-slotted-round-nuts/): DIN 546 slotted round nuts, M1 to M20: pitch, outer diameter, slot depth t min÷max, height m, slot width n and mass — the thin slotted nut for small shafts an (updated 2026-11)
- [DIN 6925 Self-Locking Nuts, All-Metal (Reduced Width](https://www.indfastpro.com/products/nuts/din-6925-self-locking-nuts-all-metal/): DIN 6925 all-metal self-locking nuts with reduced width across flats, M3 to M36: coarse and fine pitch, reduced s, e min and the prevailing-torque height band (updated 2026-11)
- [ISO 2982 Rolling Bearing Lock Nuts — IndFastPro](https://www.indfastpro.com/products/nuts/iso-2982-bearing-lock-nuts/): ISO 2982 part 2 rolling bearing lock nuts, 4-slot and 8-slot series: metric M10–M200 and Tr 210–Tr 1000 threads with pitch, d2/d3 diameters, height h, slot b  (updated 2026-11)
- [ISO 7044 Prevailing Torque All-Metal Hexagon Nuts with](https://www.indfastpro.com/products/nuts/iso-7044-all-metal-flange-nuts/): ISO 7044 prevailing torque type all-metal hexagon nuts with flange, M5 to M20: pitch, height m, collar h, flange c/dc and wrench geometry — current and supers (updated 2026-11)
- [DIN 125 Plain Flat Washers (Form A/B) — IndFastPro](https://www.indfastpro.com/products/washers/din-125-flat/): Plain flat washers per DIN 125 Form A/B (ISO 7089 counterpart) — the standard washer under hex bolts and nuts. (updated 2026-11)
- [DIN 9021 Fender Washers (Large OD) — IndFastPro](https://www.indfastpro.com/products/washers/din-9021-fender/): Large-series flat washers per DIN 9021 (ISO 7093 counterpart) — the fender washer. (updated 2026-11)
- [DIN 127 Helical Spring Lock Washers — IndFastPro](https://www.indfastpro.com/products/washers/din-127-spring-lock/): Split helical spring lock washers per DIN 127 — the classic split ring that flattens under tightening and bites the nut and joint faces with its sharp edges,  (updated 2026-11)
- [ASTM F436 Hardened Structural Washers — IndFastPro](https://www.indfastpro.com/products/washers/astm-f436-hardened/): Hardened steel washers per ASTM F436 — quenched-and-tempered, Type 1 carbon steel at HRC 38–45 or Type 3 weathering steel. (updated 2026-11)
- [USS Flat Washers (Inch Series) — IndFastPro](https://www.indfastpro.com/products/washers/uss-flat-washer/): USS-pattern flat washers for inch hardware — the wide-body series, 3/16" through 3" nominal bolt size, with a larger outside diameter and thickness than (updated 2026-11)
- [SAE Flat Washers (Inch Series) — IndFastPro](https://www.indfastpro.com/products/washers/sae-flat-washer/): SAE-pattern flat washers for inch hardware — the narrow-body series from #4 through 2" nominal size, with a smaller outside diameter and thinner section (updated 2026-11)
- [ISO 7090 Chamfered Flat Washers — IndFastPro](https://www.indfastpro.com/products/washers/iso-7090-chamfered-flat-washer/): Chamfered plain flat washers per ISO 7090 (DIN 125 Type B counterpart) — the normal-series washer with a chamfered outer edge that seats flat under a hex bolt (updated 2026-11)
- [ISO 7089 Plain Flat Washers — IndFastPro | Specifications](https://www.indfastpro.com/products/washers/iso-7089-plain-flat-washer/): Plain flat washers per ISO 7089 (DIN 125 Type A counterpart) — the normal-series unchamfered washer, product grade A. (updated 2026-11)
- [DIN 433 Small-OD Flat Washers — IndFastPro](https://www.indfastpro.com/products/washers/din-433-small-od-flat-washer/): Small-outer-diameter flat washers per DIN 433 (ISO 7092 counterpart) — the reduced-series washer for tight bolt patterns and confined bearing faces, dimension (updated 2026-11)
- [DIN 7980 High-Collar Spring Lock Washers — IndFastPro](https://www.indfastpro.com/products/washers/din-7980-high-collar-lock-washer/): High-collar helical spring lock washers per DIN 7980 — the split lock washer sized for socket head cap screws, with a raised collar that matches the cylindric (updated 2026-11)
- [DIN 6796 Conical Spring Washers — IndFastPro](https://www.indfastpro.com/products/washers/din-6796-conical-spring-washer/): Conical spring washers per DIN 6796 — heavy-duty truncated-cone discs that act as axial spring elements in bolted joints, absorbing slack from thermal expansi (updated 2026-11)
- [DIN 7349 Thick Flat Washers for Heavy-Type Spring Pins](https://www.indfastpro.com/products/washers/din-7349-thick-flat-washer/): Thick, large-OD flat washers per DIN 7349 for bolts with heavy-type spring pins — sized over DIN 1481 clamping sleeves, with a thicker section and wider beari (updated 2026-11)
- [Wedge-Locking Washers (Nord-Lock Type Pair) — IndFastPro](https://www.indfastpro.com/products/washers/wedge-locking-washers/): Tension-based wedge-locking washer pairs in the Nord-Lock pattern — cams mate inside the pair, radial teeth grip the nut and joint face. (updated 2026-11)
- [Insulating Isolation Washer Sets — IndFastPro](https://www.indfastpro.com/products/washers/isolation-washer-sets/): Washer-and-sleeve isolation sets that electrically separate the fastener from the mounted component — flat, sleeve, cup, countersunk, perforated and pronged s (updated 2026-11)
- [Electrical-Insulating Flat Washers — IndFastPro](https://www.indfastpro.com/products/washers/electrical-insulating-flat-washers/): Flat insulating washers in Garolite G-10/FR4, mica, ceramic, fiberglass and hard fiber — thicknesses from 0.001" to 0.025", lengths from 1/16" to (updated 2026-11)
- [DIN 463 Tab Washers (2 Tabs) — IndFastPro | Specifications](https://www.indfastpro.com/products/washers/din-463-tab-washers/): Tab washers per DIN 463 with two tabs at right angles — one tab locks against the component face, the other bends up against the flattened nut or screw flat f (updated 2026-11)
- [DIN 6797 Toothed Lock Washers (Types A / J / V)](https://www.indfastpro.com/products/washers/din-6797-toothed-lock-washers/): Toothed lock washers per DIN 6797 in all three forms — Type A external teeth, Type J internal teeth, Type V countersunk. (updated 2026-11)
- [DIN 7989 Flat Washers for Steel Construction](https://www.indfastpro.com/products/washers/din-7989-steel-construction-washers/): Flat washers for steel construction per DIN 7989 — heavy-thickness washers (8 mm nominal across the collected M10–M30 series) sized for HV bolt assemblies in  (updated 2026-11)
- [DIN 137 Spring Washers (Form A Curved / Form B Waved)](https://www.indfastpro.com/products/washers/din-137-spring-washers/): Spring washers per DIN 137 in both forms — Form A curved (single arc) and Form B waved (two arcs). (updated 2026-11)
- [DIN 6319 Spherical Washers (Form C) and Conical Seat](https://www.indfastpro.com/products/washers/din-6319-spherical-washers/): Spherical washer assemblies per DIN 6319 — Form C spherical (convex) washers paired with Form D conical (concave) seat washers. (updated 2026-11)
- [DIN 988 Shim Rings — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/washers/din-988-shim-rings/): Precision shim rings to DIN 988 — thin, tolerance-ground spacing rings for setting clearances in bearings, gearboxes and machined assemblies, bores M3 through (updated 2026-11)
- [DIN 6798 Type A Serrated Lock Washers (External Teeth)](https://www.indfastpro.com/products/washers/din-6798a-serrated-lock-washers/): DIN 6798 Type A serrated lock washers with external teeth, washer sizes 1.7 to 31 — the toothed bearing washer that bites into both faces to resist rotation — (updated 2026-11)
- [DIN 126 Flat Washers (Un-chamfered, Normal Series)](https://www.indfastpro.com/products/washers/din-126-flat-washers/): DIN 126 flat washers, normal series without chamfer, M5 to M160 — the plain bearing washer in its simplest form — with the full collected 35-size table: bore  (updated 2026-11)
- [DIN 436 Square Washers for Timber Bolts — IndFastPro](https://www.indfastpro.com/products/washers/din-436-square-washer/): DIN 436 square washers, M10 to M52 — the wide square plate washer used under hex bolts in timber and general construction — with the full collected 15-size ta (updated 2026-11)
- [DIN 434 Square Taper Washers for U-Sections (Channel)](https://www.indfastpro.com/products/washers/din-434-square-taper-washers/): DIN 434 square taper washers for U-sections (channel), M8 to M27 — the beveled washer that seats a bolt square on the sloped inner flange of a channel — with  (updated 2026-11)
- [DIN 2093 Disc Spring Washers (Belleville) — IndFastPro](https://www.indfastpro.com/products/washers/din-2093-disc-spring-washers/): DIN 2093 disc spring washers (Belleville washers), outside diameters 8 to 250 mm — the conical spring washer that maintains preload under bolt length changes  (updated 2026-11)
- [DIN 462 Internal Tab Washers — IndFastPro | Specifications](https://www.indfastpro.com/products/washers/din-462-internal-tab-washers/): DIN 462 internal tab washers, Φ6 to Φ200 — the lock washer whose internal tongue engages a shaft keyway while its tabs bend against the nut — with the full co (updated 2026-11)
- [DIN 93 Tab Washers with Long Tab — IndFastPro](https://www.indfastpro.com/products/washers/din-93-tab-washers/): DIN 93 tab washers with long tab, M3 to M52 — the lock washer whose long tab bends against a workpiece edge while its round face seats under the nut — with th (updated 2026-11)
- [DIN 6340 Washers for Clamping Devices — IndFastPro](https://www.indfastpro.com/products/washers/din-6340-clamping-washers/): DIN 6340 washers for clamping devices, M6 to M30 — the hardened, wide-body washer used under clamp screws and T-bolts in fixtures — with the full collected 8- (updated 2026-11)
- [DIN 128A Spring Lock Washers, Type A — IndFastPro](https://www.indfastpro.com/products/washers/din-128a-spring-lock-washers/): DIN 128A spring lock washers type A, sizes 2 to 36 — the helical spring washer with the adsorbing collar that stops sideways creep — with the full collected 2 (updated 2026-11)
- [DIN 128B Spring Lock Washers, Type B (Heavy Pattern)](https://www.indfastpro.com/products/washers/din-128b-spring-lock-washers/): DIN 128B spring lock washers type B, sizes 2 to 100 — the heavy-pattern helical washer for large-diameter bolted joints — with the full collected 28-size tabl (updated 2026-11)
- [DIN 435 Square Taper Washers for I-Sections — IndFastPro](https://www.indfastpro.com/products/washers/din-435-square-taper-washers/): DIN 435 square taper washers for I-sections, M8 to M27 — the bevelled square washer that squares a bolt head or nut on a sloped I-beam flange — with the full  (updated 2026-11)
- [ASME B18.21.1 Type A Plain Washers — Inch Series, Narrow /](https://www.indfastpro.com/products/washers/asme-b18-21-1-type-a-plain-washers-inch/): ASME B18.21.1 Type A plain washer dimensions for inch-series bolts — inside diameter, outside diameter and thickness with tolerances per nominal size in narro (updated 2026-11)
- [ASME B18.21.1 Fender Washers — Inch Series, Extra-Wide](https://www.indfastpro.com/products/washers/asme-b18-21-1-fender-washers-inch/): ASME B18.21.1 fender washer dimensions for inch-series bolts — inside diameter, outside diameter and thickness per nominal size, with the characteristically l (updated 2026-11)
- [ASME B18.21.1 Helical Spring Lock Washers — Inch Series](https://www.indfastpro.com/products/washers/asme-b18-21-1-helical-spring-lock-washers-inch/): ASME B18.21.1 helical spring lock washer dimensions for inch-series bolts — inside diameter, outside diameter and thickness per nominal size from 0.072 to 4 i (updated 2026-11)
- [ASME B18.21.1 Internal Tooth Lock Washers — Inch Series](https://www.indfastpro.com/products/washers/asme-b18-21-1-internal-tooth-lock-washers-inch/): ASME B18.21.1 internal tooth lock washer dimensions for inch-series screws — inside diameter, outside diameter and thickness per nominal size from No. (updated 2026-11)
- [ASME B18.21.1 External Tooth Lock Washers — Inch Series](https://www.indfastpro.com/products/washers/asme-b18-21-1-external-tooth-lock-washers-inch/): ASME B18.21.1 external tooth lock washer dimensions for inch-series screws — inside diameter, outside diameter and thickness per nominal size from No. (updated 2026-11)
- [ASME B18.21.1 Type B Plain Washers — Inch Series, Narrow /](https://www.indfastpro.com/products/washers/asme-b18-21-1-type-b-plain-washers-inch/): ASME B18.21.1 Type B plain washer dimensions for inch-series bolts — inside diameter, outside diameter and thickness with plus/minus tolerances per nominal si (updated 2026-11)
- [DIN 432 Tab Washers with External Tab — IndFastPro](https://www.indfastpro.com/products/washers/din-432-external-tab-washers/): DIN 432 tab washers with external tab, M3–M36 — the single-use lock washer whose external tab is bent down over a machined flat on the nut or component face a (updated 2026-11)
- [DIN 1440 Washers for Pins (Medium Type) — IndFastPro](https://www.indfastpro.com/products/washers/din-1440-washers-for-pins-medium/): DIN 1440 medium-type washers for pins, bores d1 3–100 mm — the plain unhardened washer sized to a clevis or taper-pin shaft, with the collected bore/outside-d (updated 2026-11)
- [DIN 1441 Flat Washers for Clevis Pins (Coarse)](https://www.indfastpro.com/products/washers/din-1441-flat-washers-for-clevis-pins/): DIN 1441 coarse flat washers for clevis pins, bores d1 5,5–102 mm — the plain washer whose bore runs one size over the reference thread to suit a clevis-pin s (updated 2026-11)
- [EN 14399-6 Plain Chamfered Washers (System HV)](https://www.indfastpro.com/products/washers/en-14399-6-plain-chamfered-washers-hv/): EN 14399-6 plain chamfered washers for high-strength structural bolting, system HV — thread sizes M12 to M36 (parenthesised M14/M18 non-preferred), the harden (updated 2026-11)
- [DIN 6916 Plain Chamfered Washers — IndFastPro](https://www.indfastpro.com/products/washers/din-6916-plain-chamfered-washers/): DIN 6916 plain chamfered washers for high-strength structural bolting, system HV — thread sizes M12 to M36, the chamfered hardened washer of the German HV set (updated 2026-11)
- [DIN 6918 Square Taper Washers — IndFastPro](https://www.indfastpro.com/products/washers/din-6918-square-taper-washers/): DIN 6918 square taper washers for friction-grip bolts — thread sizes M12 to M36 with the source's A-suffix variants, the bevelled square washer that squares u (updated 2026-11)
- [DIN 6798 J Serrated Lock Washers (Type J) — IndFastPro](https://www.indfastpro.com/products/washers/din-6798j-serrated-lock-washers-type-j/): DIN 6798 J serrated lock washers, type J internal-tooth form — washer sizes 1.7 to 31 for threads M1.6 to M30, the toothed anti-rotation washer that bites fla (updated 2026-11)
- [DIN 6798 V Serrated Lock Washers (Type V) — IndFastPro](https://www.indfastpro.com/products/washers/din-6798v-serrated-lock-washers-type-v/): DIN 6798 V serrated lock washers, type V countersunk form — washer sizes 2.2 to 17 for threads M2 to M16, the bevelled toothed washer that locks a countersunk (updated 2026-11)
- [DIN 1052 Washers for Wood Constructions — IndFastPro](https://www.indfastpro.com/products/washers/din-1052-washers-for-wood-constructions/): DIN 1052 load-distribution washers for timber connections — nominal threads M12 to M24, the large-diameter plate washer that spreads a timber connector's clam (updated 2026-11)
- [DIN 470 Sealing Discs — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/washers/din-470-sealing-discs/): DIN 470 spherical sealing discs — nominal diameters M3 to (M32), the dish-faced disc with a sphere-radius seat that seals and aligns on a mating concave face, (updated 2026-11)
- [DIN 7603 A Sealing Ring Washers (Form A) — IndFastPro](https://www.indfastpro.com/products/washers/din-7603a-sealing-ring-washers-form-a/): DIN 7603 form A sealing rings — bonded metal-and-elastomer washers in sizes Φ4 ×8 to Φ90 ×100, the self-centering sealing washer that closes the bolt hole aga (updated 2026-11)
- [DIN 7603 C Sealing Ring Washers (Form C) — IndFastPro](https://www.indfastpro.com/products/washers/din-7603c-sealing-ring-washers-form-c/): DIN 7603 form C sealing rings — the stepped bonded sealing washer for counterbored seats, sizes Φ4 ×8 to Φ64 ×70, with the collected bore/OD/sheet-thickness/l (updated 2026-11)
- [DIN 25201 Dual Lock Washers — IndFastPro | Specifications](https://www.indfastpro.com/products/washers/din-25201-dual-lock-washers/): DIN 25201 Nord-Lock-style dual lock washers — paired cam-surface washers sizes 3 to 130 (with the source's ① inch-designated and ② Large Type variants), the w (updated 2026-11)
- [ISO 7091 Plain Washers (Product Grade C) — IndFastPro](https://www.indfastpro.com/products/washers/iso-7091-plain-washers-grade-c/): ISO 7091 plain washers, product grade C — the unchamfered, wide-tolerance general-purpose flat washer for rough bolting, nominal sizes 1,6 to 64, with the col (updated 2026-11)
- [ISO 7092 Washers for Cheese Head Screws — IndFastPro](https://www.indfastpro.com/products/washers/iso-7092-washers-for-cheese-head-screws/): ISO 7092 small-series plain washers for cheese head screws — nominal sizes 1,1 to 37 mapped M1 to M36, the compact outside diameter that fits under small cyli (updated 2026-11)
- [ISO 7093 Plain Washers (Outer Diameter About 3 d)](https://www.indfastpro.com/products/washers/iso-7093-plain-washers-3d/): ISO 7093 large-series plain washers — outer diameter about 3× the thread, M2,5 to M36, the wide bearing face for soft or oversize holes, with the collected d1 (updated 2026-11)
- [ISO 7094 Washers for Timber Constructions — IndFastPro](https://www.indfastpro.com/products/washers/iso-7094-washers-for-timber-constructions/): ISO 7094 washers for use in timber constructions — large-diameter flat washers M5 to M36 (plus non-preferred M14–M33) that spread bolt loads in wood, with the (updated 2026-11)
- [ISO 8738 Washers for Pins — IndFastPro | Specifications &](https://www.indfastpro.com/products/washers/iso-8738-washers-for-pins/): ISO 8738 medium-type plain washers for parallel and taper pins — d1 H11 from 3 to 100 following the pin-diameter series, with the collected d2/s ladder and kg (updated 2026-11)
- [ISO 7416 Washers for HV Connections — IndFastPro](https://www.indfastpro.com/products/washers/iso-7416-washers-for-hv-connections/): ISO 7416 round plates for high-strength structural (HV) connections, nominal sizes 13 to 37 for threads M12 to M36 — hole, outside diameter, thickness, chamfe (updated 2026-11)
- [DIN 74361 Countersunk Spring Lock Washers — IndFastPro](https://www.indfastpro.com/products/washers/din-74361-countersunk-spring-lock-washer/): DIN 74361 countersunk spring lock washers for countersunk-head screws, nominal diameters 12.5 to 22.5 — cone diameter, hole, height, spherical radius and mass (updated 2026-11)
- [NFE 25-511 Conical Knurled Spring Washers — IndFastPro](https://www.indfastpro.com/products/washers/nfe-25-511-conical-knurled-spring-washers/): Conical (Belleville-form) spring washers with knurled bearing faces per the French standard NFE 25-511 — eight size-group grids covering nominal diameters 3 t (updated 2026-11)
- [DIN 440 Round Washers for Wood Construction (Form V / Form](https://www.indfastpro.com/products/washers/din-440-round-washers-wood-construction/): DIN 440 round washers for timber construction — form V with square hole (M5 to M22) and form R round hole (M5 to M52): hole, outer diameter, thickness bands a (updated 2026-11)
- [DIN 5406 MB Lockwashers for Rolling Bearings](https://www.indfastpro.com/products/washers/din-5406-mb-lockwashers/): DIN 5406 MB lockwashers (safety plates) for rolling bearing locknuts, shaft diameters 10 to 200: inner/outer tabs, e/f/b1 geometry, thickness s and mass — 201 (updated 2026-11)
- [DIN 5417 Snap Rings for Bearings with Ring Groove](https://www.indfastpro.com/products/washers/din-5417-snap-rings-bearing-ring-groove/): DIN 5417 snap rings retaining bearings with ring groove, bores 30 to 400: ring diameters d2 min/max, section g/s, groove and abutment dimensions — 2011 and 19 (updated 2026-11)
- [DIN 912 Socket Head Cap Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-912-socket-head-cap-screw/): Hexagon socket head cap screws per DIN 912 — current norm DIN EN ISO 4762 — running M1.6 to M64 in steel classes 8.8/10.9/12.9 or A2/A4 stainless, thread 6g. (updated 2026-11)
- [ISO 4762 Socket Head Cap Screws — IndFastPro](https://www.indfastpro.com/products/screws/iso-4762-socket-head-cap-screw/): Hexagon socket head cap screws per ISO 4762 — the current international designation DIN 912 was folded into — M1.6 to M64, steel classes 8.8/10.9/12.9 or A2/A (updated 2026-11)
- [DIN 913 Socket Set Screws (Flat Point) — IndFastPro](https://www.indfastpro.com/products/screws/din-913-socket-set-screw/): Hexagon socket set screws with flat point per DIN 913 — current norm DIN EN ISO 4026 — M1.4 to M24 in 45H steel or A2/A4 stainless, thread 6g. (updated 2026-11)
- [DIN 7991 Countersunk Socket Head Cap Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-7991-countersunk-socket-cap-screw/): Hexagon socket countersunk head cap screws per DIN 7991 — current norm DIN EN ISO 10642 — M3 to M24 in steel classes 8.8/10.9/12.9 or A2/A4 stainless, thread  (updated 2026-11)
- [DIN 916 Socket Set Screws (Cup Point) — IndFastPro](https://www.indfastpro.com/products/screws/din-916-cup-point-set-screw/): Hexagon socket set screws with cup point per DIN 916 — current norm DIN EN ISO 4029 — M1.4 to M24 in 45H steel or A2/A4 stainless, thread 6g. (updated 2026-11)
- [DIN 7985 Cross Recessed Pan Head Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-7985-cross-recessed-pan-head-screw/): Cross recessed pan head screws per DIN 7985 — current norm DIN EN ISO 7045 — M1.6 to M10 in steel class 4.8, A2/A4 stainless, brass or plastic, thread 6g, cro (updated 2026-11)
- [DIN 914 Socket Set Screws (Cone Point) — IndFastPro](https://www.indfastpro.com/products/screws/din-914-cone-point-set-screw/): Hexagon socket set screws with cone point per DIN 914 — current norm DIN EN ISO 4027 — M1.4 to M24 in 45H steel or A2/A4 stainless, thread 6g. (updated 2026-11)
- [DIN 915 Socket Set Screws (Full Dog Point) — IndFastPro](https://www.indfastpro.com/products/screws/din-915-dog-point-set-screw/): Hexagon socket set screws with full dog point per DIN 915 — current norm DIN EN ISO 4028 — M3 to M12 in the collected table, 45H steel or A2/A4 stainless, thr (updated 2026-11)
- [DIN 7981 Pan Head Tapping Screws (ISO 7049) — IndFastPro](https://www.indfastpro.com/products/screws/din-7981-pan-head-tapping-screw/): Cross recessed pan head tapping screws, Form C, per ISO 7049 — the current designation DIN 7981 C folds into — ST2.2 to ST6.3 in case-hardening steel per ISO  (updated 2026-11)
- [DIN 7982 Countersunk Tapping Screws (ISO 7050)](https://www.indfastpro.com/products/screws/din-7982-countersunk-tapping-screw/): Cross recessed countersunk head tapping screws, Form C, per ISO 7050 — the current designation DIN 7982 C folds into — ST2.2 to ST6.3 in case-hardening steel  (updated 2026-11)
- [DIN 7983 Raised Countersunk Tapping Screws (ISO 7051)](https://www.indfastpro.com/products/screws/din-7983-raised-countersunk-tapping-screw/): Cross recessed raised countersunk head tapping screws, Form C, per ISO 7051 — the current designation DIN 7983 C folds into — ST2.2 to ST6.3 in case-hardening (updated 2026-11)
- [DIN 963 Slotted Countersunk Machine Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-963-slotted-countersunk-machine-screw/): Slotted countersunk head screws per DIN 963 — current norm DIN EN ISO 2009 — M1 to M20 in steel class 4.8, A2/A4 stainless, brass or plastic, thread 6g. (updated 2026-11)
- [DIN 967 Cross Recessed Pan Head Screws with Collar](https://www.indfastpro.com/products/screws/din-967-cross-recessed-pan-head-screw-collar/): Cross recessed pan head screws with collar per DIN 967 — M3 to M8 in steel class 4.8, thread 6g. (updated 2026-11)
- [DIN 965 Cross Recessed Countersunk Machine Screws](https://www.indfastpro.com/products/screws/din-965-cross-recessed-countersunk-machine-screw/): Cross recessed countersunk flat head machine screws per DIN 965 — current norm DIN EN ISO 7046-1/7046-2 — M1.6 to M10 in steel class 4.8 or A2/A4 stainless, t (updated 2026-11)
- [DIN 964 Slotted Raised Countersunk Machine Screws](https://www.indfastpro.com/products/screws/din-964-slotted-raised-countersunk-machine-screw/): Slotted raised countersunk oval head machine screws per DIN 964 — current norm DIN EN ISO 2010 — M1 to M10 in steel class 4.8, A2/A4 stainless or brass, threa (updated 2026-11)
- [DIN 966 Cross Recessed Raised Countersunk Machine Screws](https://www.indfastpro.com/products/screws/din-966-cross-recessed-raised-countersunk-machine-screw/): Cross recessed raised countersunk head machine screws per DIN 966 — current norm DIN EN ISO 7047 — M1.6 to M10 in steel class 4.8 or A2/A4 stainless, thread 6 (updated 2026-11)
- [ASME B18.6.3 UNC Slotted Round Head Machine Screws](https://www.indfastpro.com/products/screws/asme-b18-6-3-unc-round-head-machine-screw/): Slotted round head machine screws per ASME B18.6.3, UNC thread — #1 through 3/4 in basic diameter in steel or stainless steel. (updated 2026-11)
- [ASME B18.6.3 UNC Slotted Pan Head Machine Screws](https://www.indfastpro.com/products/screws/asme-b18-6-3-unc-pan-head-machine-screw/): Slotted pan head machine screws per ASME B18.6.3, UNC thread — gauge 0000 through 3/4 in basic diameter in steel or stainless steel. (updated 2026-11)
- [ASME B18.6.3 UNC Slotted 82° Flat Countersunk Machine](https://www.indfastpro.com/products/screws/asme-b18-6-3-unc-flat-countersunk-machine-screw/): Slotted 82° flat countersunk head machine screws per ASME B18.6.3, UNC thread — gauge 0000 through 3/4 in basic diameter in steel or stainless steel. (updated 2026-11)
- [ASME B18.6.3 UNC Cross Recessed Flat Countersunk Machine](https://www.indfastpro.com/products/screws/asme-b18-6-3-unc-cross-recessed-flat-countersunk-machine-screw/): Cross recessed (Phillips) flat countersunk head machine screws per ASME B18.6.3, UNC thread — #1 through 3/8 in basic diameter in steel or stainless steel. (updated 2026-11)
- [ASME B18.6.3 UNC Cross Recessed Pan Head Machine Screws](https://www.indfastpro.com/products/screws/asme-b18-6-3-unc-cross-recessed-pan-head-machine-screw/): Cross recessed (Phillips) pan head machine screws per ASME B18.6.3, UNC thread — #1 through 3/8 in basic diameter in steel or stainless steel. (updated 2026-11)
- [ASME B18.6.3 UNC Cross Recessed Fillister Head Machine](https://www.indfastpro.com/products/screws/asme-b18-6-3-unc-cross-recessed-fillister-head-machine-screw/): Cross recessed (Phillips) fillister head machine screws per ASME B18.6.3, UNC thread — #2 through 1/4 in basic diameter in steel or stainless steel. (updated 2026-11)
- [ASME B18.6.3 UNC Cross Recessed Truss Head Machine](https://www.indfastpro.com/products/screws/asme-b18-6-3-unc-cross-recessed-truss-head-machine-screw/): Cross recessed (Phillips) truss head machine screws per ASME B18.6.3, UNC thread — #2 through 5/16 in basic diameter in steel or stainless steel. (updated 2026-11)
- [DIN 7500 Trilobular Thread Rolling Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-7500-thread-rolling-screws/): DIN 7500 trilobular thread rolling screws form rather than cut the mating thread: a machine-screw pitch on a three-lobed shank work-hardens the substrate thre (updated 2026-11)
- [DIN 7500 CE Pan Head Thread Forming Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-7500-ce-pan-head-thread-forming/): DIN 7500 CE pan head thread forming screws: the trilobular rolling thread under a rounded pan head with a six-lobe (Torx) or Pozidriv drive. (updated 2026-11)
- [DIN 7500 ME Flat Countersunk Head Thread Forming Screws](https://www.indfastpro.com/products/screws/din-7500-me-countersunk-thread-forming/): DIN 7500 ME flat countersunk head thread forming screws: the trilobular rolling thread with a head that seats flush. (updated 2026-11)
- [DIN 7500 D Hex Washer Head Thread Rolling Screws](https://www.indfastpro.com/products/screws/din-7500-d-hex-washer-thread-forming/): DIN 7500 D hex washer head thread rolling screws: a wrenchable unslotted hex over an integrated washer face, on the trilobular rolling thread. (updated 2026-11)
- [Type PT-Alternative Pan Phillips Thread Forming Screws](https://www.indfastpro.com/products/screws/pt-alternative-pan-phillips-thread-forming/): Type PT-alternative thread forming screws for thermoplastics: a spaced 30° thread that forms its own path in plastic without chips or pre-tapped holes, under  (updated 2026-11)
- [Type PT-Alternative Pan TORX Thread Forming Screws](https://www.indfastpro.com/products/screws/pt-alternative-pan-torx-thread-forming/): Type PT-alternative thread forming screws for thermoplastics with a pan six-lobe (TORX) drive: the spaced 30° forming thread from M1.6 to M5 with TORX sizes T (updated 2026-11)
- [ASME B18.6.3 Square Recessed Pan Head Machine Screws](https://www.indfastpro.com/products/screws/asme-b18-6-3-square-recessed-pan-head-machine-screw/): Square recessed (Type III / Robertson) pan head machine screws per ASME B18.6.3, #4 through 5/16 basic diameter in steel or stainless steel. (updated 2026-11)
- [ASME B18.6.3 Square Recessed Flat Countersunk Head Machine](https://www.indfastpro.com/products/screws/asme-b18-6-3-square-recessed-flat-countersunk-head-machine-screw/): Square recessed flat countersunk head machine screws per ASME B18.6.3, #4 through 5/16 basic diameter in steel or stainless steel. (updated 2026-11)
- [ASME B18.6.3 Combination Slotted & Square Recessed Pan](https://www.indfastpro.com/products/screws/asme-b18-6-3-combination-slotted-square-recessed-pan-head-machine-screw/): Combination slotted and square recessed (Type III) pan head machine screws per ASME B18.6.3, #3 through 3/8 basic diameter in steel or stainless steel. (updated 2026-11)
- [ASME B18.6.3 Combination Slotted & Square Recessed Truss](https://www.indfastpro.com/products/screws/asme-b18-6-3-combination-slotted-square-recessed-truss-head-machine-screw/): Combination slotted and square recessed (Type III) truss head machine screws per ASME B18.6.3, #2 through 3/8 basic diameter in steel or stainless steel. (updated 2026-11)
- [TX01 6-Lobe Pin TX Button Head Security Machine Screws](https://www.indfastpro.com/products/screws/tx01-6-lobe-pin-tx-button-security-machine-screw/): Button head machine screws on the 6-lobe pin TX drive, M2–M12 as tabulated: head diameters 3.4–21.0 mm, head heights 1.3–6.6 mm, tool sizes TX6–TX55. (updated 2026-11)
- [TX02 6-Lobe Pin TX Countersunk Head Security Machine](https://www.indfastpro.com/products/screws/tx02-6-lobe-pin-tx-countersunk-security-machine-screw/): Countersunk head machine screws on the 6-lobe pin TX drive, M2.6–M12 as tabulated: head diameters 5.2–24 mm, head heights 1.5–6.5 mm, tool sizes TX8–TX55. (updated 2026-11)
- [TX04 6-Lobe Pin TX Self Tapping Security Screws](https://www.indfastpro.com/products/screws/tx04-6-lobe-pin-tx-button-self-tapping-security-screw/): Self-tapping security screws on the 6-lobe pin TX drive, No.2–No.14 as tabulated: head diameters 4.3–10.5 mm, head heights 1.65–3.3 mm, tool sizes TX6–TX27. (updated 2026-11)
- [TX05 6-Lobe Pin TX Countersunk Self Tapping Security](https://www.indfastpro.com/products/screws/tx05-6-lobe-pin-tx-countersunk-self-tapping-security-screw/): Countersunk self-tapping security screws on the 6-lobe pin TX drive, No.2–No.14 as tabulated: head diameters 4.3–12.4 mm, head heights 1.3–3.8 mm, tool sizes  (updated 2026-11)
- [TX06 6-Lobe Pin TX Button Head Self Drill Security](https://www.indfastpro.com/products/screws/tx06-6-lobe-pin-tx-button-self-drill-security-screw/): Self-drilling security screws on the 6-lobe pin TX drive, No.8–No.14 as tabulated (No.12 marked CALL in the source and not tabulated here): head diameters 7.7 (updated 2026-11)
- [TX07 6-Lobe Pin TX Countersunk Self Drill Security](https://www.indfastpro.com/products/screws/tx07-6-lobe-pin-tx-countersunk-self-drill-security-screw/): Countersunk self-drilling security screws on the 6-lobe pin TX drive, No.8–No.14 as tabulated (No.6 dash-celled in the source and not tabulated): head diamete (updated 2026-11)
- [TX08 6-Lobe Pin TX Pan Head Self Drill Security Screws](https://www.indfastpro.com/products/screws/tx08-6-lobe-pin-tx-pan-self-drill-security-screw/): Pan head self-drilling security screws on the 6-lobe pin TX drive, No.8–No.14 as tabulated (4-40, 8-32 and No.6 marked CALL in the source and not tabulated):  (updated 2026-11)
- [TX20 6-Lobe Pin TX Pan Head Thread Forming Security](https://www.indfastpro.com/products/screws/tx20-6-lobe-pin-tx-pan-thread-forming-security-screw/): Thread-forming security screws on the 6-lobe pin TX drive for plastics and soft materials, M3–M6 as tabulated: thread diameters 5.3–10.5 mm, head heights 2.3– (updated 2026-11)
- [CL01 Clutch Head One Way Round Security Machine Screws](https://www.indfastpro.com/products/screws/cl01-clutch-head-one-way-round-security-machine-screw/): Round head one-way clutch head security machine screws, M3–M8 as tabulated: head diameters 6.0–13.0 mm, head heights 2.4–4.8 mm. (updated 2026-11)
- [CL02 Clutch Head Raised Countersunk Security Screws](https://www.indfastpro.com/products/screws/cl02-clutch-head-raised-countersunk-security-screw/): Raised countersunk head one-way clutch head security screw, M3.5 as tabulated: head diameter 6.7 mm, head height 2.1 mm. (updated 2026-11)
- [CL03 Clutch Head Round Self Tapping Security Screws](https://www.indfastpro.com/products/screws/cl03-clutch-head-round-self-tapping-security-screw/): Round head one-way clutch head self-tapping security screws, No.4–No.14 as tabulated: head diameters 5.4–11.7 mm, head heights 2.2–4.4 mm. (updated 2026-11)
- [CL04 Clutch Head Countersunk Self Tapping Security](https://www.indfastpro.com/products/screws/cl04-clutch-head-countersunk-self-tapping-security-screw/): Countersunk head one-way clutch head self-tapping security screws (imperial gauge series), No.6–No.10 as tabulated: head diameters 6.8–9.4 mm, head heights 3. (updated 2026-11)
- [CL05 Clutch Head Round Security Self Drilling Screws](https://www.indfastpro.com/products/screws/cl05-clutch-head-round-self-drilling-security-screw/): Round head one-way clutch head self-drilling security screw, No.10 as the single tabulated gauge: head diameter 8.9 mm, head height 1.75 mm. (updated 2026-11)
- [CL06 Clutch Head Countersunk Security Wood Screws](https://www.indfastpro.com/products/screws/cl06-clutch-head-countersunk-security-wood-screw/): Countersunk head one-way clutch head security wood screws, No.6–No.12 as tabulated: head diameters 7.0–11.0 mm, head heights 3.5–5.4 mm. (updated 2026-11)
- [2H01 Two Hole Pan Pig Nose Security Machine Screws](https://www.indfastpro.com/products/screws/2h01-two-hole-pan-pig-nose-security-machine-screw/): Pan head two-hole security machine screws, M2.5–M6 as tabulated: head diameters 6.0–12.0 mm, head heights 1.8–3.6 mm, driven by a two-pin insert bit (tool siz (updated 2026-11)
- [2H02 Two Hole Countersunk Security Machine Screws](https://www.indfastpro.com/products/screws/2h02-two-hole-countersunk-security-machine-screw/): Countersunk head two-hole security machine screws, M3–M6 as tabulated: head diameters 6.0–12.4 mm, head heights 1.75–3.45 mm, driven by a two-pin insert bit. (updated 2026-11)
- [2H03 Two Hole Raised Countersunk Security Machine Screws](https://www.indfastpro.com/products/screws/2h03-two-hole-raised-countersunk-security-machine-screw/): Raised countersunk head two-hole security machine screw, M3.5 as the single tabulated thread: head diameter 6.4 mm, head height 1.9 mm, tool size No.6. (updated 2026-11)
- [2H04 Two Hole Pan Self Tapping Security Screws](https://www.indfastpro.com/products/screws/2h04-two-hole-pan-self-tapping-security-screw/): Pan head two-hole self-tapping security screws, No.4–No.14 as tabulated (2.9–6.3 mm nominal): head diameters 5.4–12.2 mm, head heights 1.6–3.5 mm. (updated 2026-11)
- [2H05 Two Hole Countersunk Self Tapping Security Screws](https://www.indfastpro.com/products/screws/2h05-two-hole-countersunk-self-tapping-security-screw/): Countersunk head two-hole self-tapping security screws, No.4–No.14 as tabulated (2.9–6.3 mm nominal): head diameters 5.5–12.3 mm, head heights 1.7–3.9 mm. (updated 2026-11)
- [2H12 Two Hole Mush Head Security Machine Screws](https://www.indfastpro.com/products/screws/2h12-two-hole-mush-head-security-machine-screw/): Mush head two-hole security machine screws, M5–M16 as tabulated: head diameters (D max) 13.55–38.80 mm, head heights (h max) 3.30–8.95 mm, driven by a two-pin (updated 2026-11)
- [2H13 Two Hole Raised Countersunk Self Tapping Security](https://www.indfastpro.com/products/screws/2h13-two-hole-raised-countersunk-self-tapping-security-screw/): Raised countersunk head two-hole self-tapping security screws, No.6–No.10 as tabulated (3.5–4.8 mm nominal): head diameters 5.7–9.5 mm, head heights 1.65–2.75 (updated 2026-11)
- [2H14 Two Hole Truss Head Self Tapping Security Screws](https://www.indfastpro.com/products/screws/2h14-two-hole-truss-head-self-tapping-security-screw/): Truss head two-hole self-tapping security screws, No.8 and No.10 as tabulated (4.2 and 4.8 mm nominal): head diameters 9.5 and 10.5 mm, head heights 2.2 and 2 (updated 2026-11)
- [TX09 5-Lobe Pin Button Security Machine Screws](https://www.indfastpro.com/products/screws/tx09-5-lobe-pin-button-security-machine-screw/): Button head 5-lobe pin security machine screws, M3–M8 as tabulated: head diameters 5.6–13.8 mm, head heights 1.5–4.3 mm. (updated 2026-11)
- [TX10 5-Lobe Pin TX Button Self Tapping Security Screws](https://www.indfastpro.com/products/screws/tx10-5-lobe-pin-tx-button-self-tapping-security-screw/): Button head 5-lobe pin TX self-tapping security screws, No.6–No.12 as tabulated (3.5–5.5 mm nominal): head diameters 5.7–10.5 mm, head heights 2.1–3.3 mm. (updated 2026-11)
- [TX11 5-Lobe Pin TX CSK Self Tapping Security Screws](https://www.indfastpro.com/products/screws/tx11-5-lobe-pin-tx-csk-self-tapping-security-screw/): Countersunk head 5-lobe pin TX self-tapping security screws, No.6–No.12 as tabulated (3.5–5.5 mm nominal): head diameters 6.6–10.6 mm, head heights 2.1–3.4 mm. (updated 2026-11)
- [TX22 7-Lobe Pin Button Security Machine Screws](https://www.indfastpro.com/products/screws/tx22-7-lobe-pin-button-security-machine-screw/): Button head 7-lobe pin security machine screws, M4–M8 as tabulated: head diameters 7.6–14.0 mm, head heights 2.2–4.4 mm, driven by dedicated 7TX-series bits. (updated 2026-11)
- [TX24 5-Lobe Pin TX Countersunk Security Machine Screws](https://www.indfastpro.com/products/screws/tx24-5-lobe-pin-tx-countersunk-security-machine-screw/): Countersunk head 5-lobe pin TX security machine screws, M3–M8 as tabulated: head diameters 5.7–16.8 mm, head heights 1.7–4.4 mm. (updated 2026-11)
- [CP22 5-Lobe Pin TX Button Head Captive Screws](https://www.indfastpro.com/products/screws/cp22-5-lobe-pin-tx-button-head-captive-security-screw/): Button head 5-lobe pin TX captive security screws, M3–M8 as tabulated: head diameters 5.6–13.8 mm, head heights 1.5–4.3 mm, reduced shank d1 2.2–6.2 mm, L1 6. (updated 2026-11)
- [CP23 5-Lobe Pin TX Countersunk Head Captive Screws](https://www.indfastpro.com/products/screws/cp23-5-lobe-pin-tx-countersunk-head-captive-security-screw/): Countersunk head 5-lobe pin TX captive security screws, M4–M8 as tabulated: head diameters 7.8–16.8 mm, head heights 2.3–4.4 mm, reduced shank d1 3.0–6.2 mm,  (updated 2026-11)
- [TX25 6-Lobe Pin Torx Pan Security Wood Screw](https://www.indfastpro.com/products/screws/tx25-6-lobe-pin-torx-pan-security-wood-screw/): Pan head 6-lobe pin security wood screw in a single tabulated size: M6 with head diameter 13 mm, head height 4 mm, in 30, 40 and 50 mm lengths. (updated 2026-11)
- [TX26 Security Pin TX Drive Cap Screw — IndFastPro](https://www.indfastpro.com/products/screws/tx26-pin-tx-drive-cap-security-screw/): Cap head 6-lobe pin security machine screw, M2–M10 as tabulated: head diameters 3.8–16.0 mm, head heights 2.0–10.0 mm, min socket depth t 0.71–3.62 mm, tools  (updated 2026-11)
- [TX28 6-Lobe Pin TX Security Grub Screw — Cup Point](https://www.indfastpro.com/products/screws/tx28-6-lobe-pin-tx-security-grub-screw-cup-point/): Cup point 6-lobe pin security grub screw, M3–M24 as tabulated: min socket depth t 0.8–6.8 mm, socket width s 1.75–13.45 mm, tools TX6–TX60. (updated 2026-11)
- [TX29 Pin TX Button Flange Security Screws (ISO 7380-2 with](https://www.indfastpro.com/products/screws/tx29-pin-tx-button-flange-security-screw-iso-7380-2/): Button flange head 6-lobe pin security machine screw to ISO 7380-2, M2–M12 as tabulated: flange diameters 4–25 mm, head heights 1.23–7 mm, min socket depth t  (updated 2026-11)
- [TX30 6-Lobe Pin TX Pan Thread Forming Security Screw](https://www.indfastpro.com/products/screws/tx30-6-lobe-pin-tx-pan-thread-forming-security-screw-type-b/): Pan head Type B thread forming security screw, M2–M4 as tabulated: head diameters 3.5–7.0 mm, head heights 1.3–2.6 mm, tools TX6–TX20, stated sizes 4–12 mm. (updated 2026-11)
- [TX31 6-Lobe Pin TX Countersunk Thread Forming Security](https://www.indfastpro.com/products/screws/tx31-6-lobe-pin-tx-countersunk-thread-forming-security-screw/): Countersunk head thread forming security screw for plastics (30° thread angle), M3–M6 as tabulated: head diameters 6.0–12.0 mm, tools TT10–TT30, lengths 6–80  (updated 2026-11)
- [TX32 6-Lobe Pin TX Security Grub Screw — Flat Point](https://www.indfastpro.com/products/screws/tx32-6-lobe-pin-tx-security-grub-screw-flat-point/): Flat point 6-lobe pin security grub screw, M1.6–M24 as tabulated: min socket depth t 0.8–6.8 mm, socket width s 1.75–13.45 mm (M3 upward), tools TX6–TX60. (updated 2026-11)
- [TX33 6-Lobe Pin TX Security Grub Screw — Dog Point](https://www.indfastpro.com/products/screws/tx33-6-lobe-pin-tx-security-grub-screw-dog-point/): Dog point 6-lobe pin security grub screw, M2–M24 as tabulated: min socket depth t 0.8–6.8 mm (M3 upward), socket width s 1.75–13.45 mm, tools TX6–TX60. (updated 2026-11)
- [TX34 6-Lobe Pin TX Security Grub Screw — Cone Point](https://www.indfastpro.com/products/screws/tx34-6-lobe-pin-tx-security-grub-screw-cone-point/): Cone point 6-lobe pin security grub screw, M1.6–M24 as tabulated: min socket depth t 0.8–6.8 mm (M3 upward), socket width s 1.75–13.45 mm, tools TX6–TX60. (updated 2026-11)
- [DIN 7513 Slotted Oval Head Thread Cutting Screws (Form](https://www.indfastpro.com/products/screws/din-7513-slotted-oval-thread-cutting-screw/): Slotted oval head thread cutting screws per DIN 7513 Form GE, 2016 edition — M2.5 to M8 in the collected table, with cutting flutes that machine the mating th (updated 2026-11)
- [DIN 7516 Cross Recessed Countersunk Head Thread Cutting](https://www.indfastpro.com/products/screws/din-7516-countersunk-thread-cutting-screw/): Cross recessed countersunk head thread cutting screws per DIN 7516 Form DE — M3 to M8 in the collected table, with cutting flutes from the point and per-size  (updated 2026-11)
- [DIN 7504-N Self-Drilling Screws (Pan Head, Phillips](https://www.indfastpro.com/products/screws/din-7504-n-self-drilling-screw/): Self-drilling screws per DIN 7504 form N — the collected line page prints the form as pan head with Phillips recess, zinc plated steel — running Ø 3.5 to 5.5  (updated 2026-11)
- [DIN 7504-K Self-Drilling Screws (Hexagon Head with](https://www.indfastpro.com/products/screws/din-7504-k-self-drilling-screw/): Self-drilling screws per DIN 7504 form K — hexagon head with serration, zinc plated steel — running Ø 3.5 to 6.3 mm × length 13 to 140 mm, the widest collecte (updated 2026-11)
- [DIN 7504-P Self-Drilling Screws (Countersunk Head](https://www.indfastpro.com/products/screws/din-7504-p-self-drilling-screw/): Self-drilling screws per DIN 7504 form P — countersunk head with Phillips recess, zinc plated steel — running Ø 3.5 to 5.5 mm × length 9.5 to 70 mm, with per- (updated 2026-11)
- [DIN 7504-M Self-Drilling Screws (Pan Head, Square](https://www.indfastpro.com/products/screws/din-7504-m-self-drilling-screw/): Self-drilling screws per DIN 7504 form M — pan head with square (Robertson-style) recess, zinc plated steel — running Ø 3.5 to 4.8 mm × length 9.5 to 80 mm, w (updated 2026-11)
- [TEKS/2 Self-Drilling Screws (Light Gauge Metals Point](https://www.indfastpro.com/products/screws/teks-2-self-drilling-screw/): Inch TEK self-drilling screws, TEKS/2 point class as tabulated for light gauge metals: screw sizes No. (updated 2026-11)
- [TEKS/3 Self-Drilling Screws (Medium Gauge Metals Point](https://www.indfastpro.com/products/screws/teks-3-self-drilling-screw/): Inch TEK self-drilling screws, TEKS/3 point class as tabulated for medium gauge metals: screw sizes No. (updated 2026-11)
- [TEKS/4 Self-Drilling Screws (Heavier Gauge Metals Point](https://www.indfastpro.com/products/screws/teks-4-self-drilling-screw/): Inch TEK self-drilling screws, TEKS/4 point class as tabulated for heavier gauge metals: No. (updated 2026-11)
- [Special TEKS/2 Self-Drilling Screws (Heavier Gauge](https://www.indfastpro.com/products/screws/teks-special-2-self-drilling-screw/): Inch TEK self-drilling screws, Special TEKS/2 point class as printed by the source for heavier gauge metals: No. (updated 2026-11)
- [Stitch TEK Self-Drilling Screws (Sheet-to-Sheet](https://www.indfastpro.com/products/screws/stitch-tek-self-drilling-screw/): Stitch TEK self-drilling screws as printed by the collected special-purpose table: 1/4" and 5/16" diameters stitching up to two sheets of 24-gauge (updated 2026-11)
- [Plymetal TEK Self-Drilling Screws (Plywood-to-Metal)](https://www.indfastpro.com/products/screws/plymetal-tek-self-drilling-screw/): Plymetal TEK self-drilling screws as printed by the collected special-purpose table: No. (updated 2026-11)
- [Plymetal TEK with Wings Self-Drilling Screws (Winged](https://www.indfastpro.com/products/screws/plymetal-wing-tek-self-drilling-screw/): Winged Plymetal TEK self-drilling screws as printed by the collected special-purpose table: No. (updated 2026-11)
- [Drywall TEK Self-Drilling Screws (Gypsum-to-Metal)](https://www.indfastpro.com/products/screws/drywall-tek-self-drilling-screw/): Drywall TEK self-drilling screws as printed by the collected special-purpose table: No. 6 and No. (updated 2026-11)
- [Gypsum TEK Self-Drilling Screws (Heavy Gypsum to Steel)](https://www.indfastpro.com/products/screws/gypsum-tek-self-drilling-screw/): Gypsum TEK self-drilling screws as printed by the collected special-purpose table: No. 6 at .035"–.090" and No. 12 / No. (updated 2026-11)
- [Ultra-Drive Button Head Security Machine Screws (UL01)](https://www.indfastpro.com/products/screws/ul01-ultra-drive-button-head-security-machine-screw/): Button head security machine screws in the Ultra-Drive 2-way reusable pin-in-hexalobular drive, thread sizes M2–M16 in A2 or A4 stainless steel, with the driv (updated 2026-11)
- [Ultra-Drive Countersunk Security Machine Screws (UL02)](https://www.indfastpro.com/products/screws/ul02-ultra-drive-countersunk-security-machine-screw/): Countersunk head security machine screws in the Ultra-Drive 2-way reusable pin-in-hexalobular drive, thread sizes M2–M10 in stainless steel (A2/A4), sitting f (updated 2026-11)
- [Ultra-Drive Button Head Security Self Tapping Screws](https://www.indfastpro.com/products/screws/ul03-ultra-drive-button-head-security-self-tapping-screw/): Button head security self-tapping screws in the Ultra-Drive 2-way reusable pin-in-hexalobular drive, sheet-metal thread sizes No.2–No.14 in A2 stainless steel (updated 2026-11)
- [Ultra-Drive Countersunk Security Self Tapping Screws](https://www.indfastpro.com/products/screws/ul04-ultra-drive-countersunk-security-self-tapping-screw/): Countersunk head security self-tapping screws in the Ultra-Drive 2-way reusable pin-in-hexalobular drive, sheet-metal thread sizes No.2–No.14 in stainless ste (updated 2026-11)
- [DIN 571 Hex Head Wood Screws (Lag Screws) — IndFastPro](https://www.indfastpro.com/products/screws/din-571-hex-head-wood-screws/): DIN 571 hexagon head wood screws — the metric lag screw — in M4 to M20, with the full collected per-size geometry table (shank and thread diameters, head heig (updated 2026-11)
- [DIN 97 Slotted Countersunk Head Wood Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-97-countersunk-wood-screws/): DIN 97 slotted countersunk head wood screws from (1.6) to (10), with the full collected per-size table: head diameter and countersink angle geometry, slot dim (updated 2026-11)
- [DIN 95 Slotted Raised Countersunk Head Wood Screws](https://www.indfastpro.com/products/screws/din-95-raised-countersunk-wood-screws/): DIN 95 slotted raised countersunk head wood screws from (1.6) to (8), with the full collected per-size table: head diameter and the raised (oval) head geometr (updated 2026-11)
- [DIN 96 Slotted Round Head Wood Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-96-round-head-wood-screws/): DIN 96 slotted round head wood screws from (1.6) to (8), with the full collected per-size table: domed head diameter and height with tolerance bands, slot wid (updated 2026-11)
- [ISO 7380-1 Hexagon Socket Button Head Screws](https://www.indfastpro.com/products/screws/iso-7380-1-button-head-socket-screw/): ISO 7380-1 hexagon socket button head screws M3 to M16 — the flangeless low-domed socket screw — with the full collected per-size table: thread pitch, head an (updated 2026-11)
- [DIN 7984 Hexagon Socket Head Cap Screws with Low Head](https://www.indfastpro.com/products/screws/din-7984-low-head-socket-cap-screw/): DIN 7984 low-head hexagon socket cap screws M3 to M24 — the reduced-height member of the socket cap screw line for confined heads — with the full collected pe (updated 2026-11)
- [DIN 6912 Hexagon Socket Head Cap Screws, Low Head with](https://www.indfastpro.com/products/screws/din-6912-collared-low-head-socket-cap-screw/): DIN 6912 low-head hexagon socket cap screws with centre collar, M4 to M36 — the low head that still seats like a hex bolt, with a raised collar for through-ho (updated 2026-11)
- [DIN 84 Slotted Cheese Head Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-84-slotted-cheese-head-screw/): DIN 84 slotted cheese head machine screws M1 to M10 — the classic cylindrical-head machine screw and the slotted counterpart of DIN 7985 — with the full colle (updated 2026-11)
- [ISO 4026 Flat Point Hex Socket Set Screws — IndFastPro](https://www.indfastpro.com/products/screws/iso-4026-flat-point-socket-set-screw/): ISO 4026 hex socket set screws with flat point, M1.6 to M24 — the residual-load set screw whose flat end bears against a flattened seating spot — with the ful (updated 2026-11)
- [ISO 4027 Cone Point Hex Socket Set Screws — IndFastPro](https://www.indfastpro.com/products/screws/iso-4027-cone-point-socket-set-screw/): ISO 4027 hex socket set screws with cone point, M1.6 to M24 — the deep-engagement set screw whose point seats in a drilled hole — with the full collected 13-s (updated 2026-11)
- [ISO 4028 Dog Point Hex Socket Set Screws — IndFastPro](https://www.indfastpro.com/products/screws/iso-4028-dog-point-socket-set-screw/): ISO 4028 hex socket set screws with dog point, M1.6 to M24 — the pilot-point set screw that rides a groove for parts removed often — with the full collected 1 (updated 2026-11)
- [ISO 4029 Cup Point Hex Socket Set Screws — IndFastPro](https://www.indfastpro.com/products/screws/iso-4029-cup-point-socket-set-screw/): ISO 4029 hex socket set screws with cup point, M1.6 to M24 — the highest-grip standard set screw whose hollowed point bites a ring into the mating surface — w (updated 2026-11)
- [ISO 7379 Hex Socket Head Shoulder Screws — IndFastPro](https://www.indfastpro.com/products/screws/iso-7379-hex-socket-shoulder-screw/): ISO 7379 hex socket head shoulder screws M5 to M20 — precision shoulder bolts with f9 ground shoulders for linear and rotary motion — with the full collected  (updated 2026-11)
- [ASME B18.3 Hex Socket Head Shoulder Screws (Inch Series)](https://www.indfastpro.com/products/screws/asme-b18-3-hex-socket-shoulder-screw/): ASME B18.3 hex socket head shoulder screws in the inch series, 1/8" to 2" shoulder diameter — the full collected 14-size table: shoulder tolerances, (updated 2026-11)
- [DIN 927 Slotted Shoulder Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-927-slotted-shoulder-screw/): DIN 927 slotted shoulder screws M1 to M6 — the small precision shoulder screw driven by a plain screwdriver — with the full collected 10-size table: thread le (updated 2026-11)
- [ASME B18.3 Cup Point Set Screws (Inch Series)](https://www.indfastpro.com/products/screws/asme-b18-3-cup-point-set-screw-inch/): ASME B18.3 hex socket set screws with cup point in the inch series, #0 to 2" — the full collected 24-size table with thread length, UNC/UNF/UNEF thread (updated 2026-11)
- [ISO 14583 Hexalobular Socket Pan Head Screws](https://www.indfastpro.com/products/screws/iso-14583-torx-pan-head-screw/): ISO 14583 pan head screws with hexalobular (TORX-style) socket, M2 to M10 — the high-torque pan head machine screw — with the full collected 9-size table: hea (updated 2026-11)
- [ISO 7380-2 Flanged Hex Socket Button Head Screws](https://www.indfastpro.com/products/screws/iso-7380-2-flanged-button-head-socket-screw/): ISO 7380-2 hex socket button head screws with flange, M3 to M16 — the low-head flanged machine screw — with the full collected 8-size table: flange and head g (updated 2026-11)
- [DIN 85 Slotted Pan Head Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-85-slotted-pan-head-screws/): DIN 85 pan head machine screws with slotted drive, M3 to M10 — the classic domed pan head with a simple slot — with the full collected 7-size table: head geom (updated 2026-11)
- [ISO 7045 Pan Head Screws with Cross Recess (H or Z)](https://www.indfastpro.com/products/screws/iso-7045-cross-recessed-pan-head-screws/): ISO 7045 pan head screws with cross recess (Phillips-type H or Pozidriv-type Z), M1.6 to M10 — the small-screw workhorse of electronics and appliance assembly (updated 2026-11)
- [ISO 14581 Hexalobular Socket Countersunk Head Screws](https://www.indfastpro.com/products/screws/iso-14581-hexalobular-countersunk-head-screws/): ISO 14581 countersunk head screws with hexalobular (TORX-style) socket, M2 to M10 — the flush high-torque machine screw — with the full collected 9-size table (updated 2026-11)
- [DIN 404 Slotted Capstan Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-404-slotted-capstan-screws/): DIN 404 capstan screws with slotted cylindrical head and cross-hole for a tommy bar, M2 to M10 — the head you can wrench by hand through a transverse rod — wi (updated 2026-11)
- [DIN 417 Slotted Set Screws with Long Dog Point](https://www.indfastpro.com/products/screws/din-417-slotted-set-screws-long-dog-point/): DIN 417 set screws with slotted head and long dog point, M1.6 to M12 — the full-dog point that engages a groove or drills into a shaft for positive location — (updated 2026-11)
- [DIN 438 Slotted Set Screws with Cup Point — IndFastPro](https://www.indfastpro.com/products/screws/din-438-slotted-set-screws-cup-point/): DIN 438 set screws with slotted head and cup point, M1.6 to M12 — the concave punch point that bites a small annulus into the opposing surface — with the full (updated 2026-11)
- [DIN 551 Slotted Grub Screws with Flat Point — IndFastPro](https://www.indfastpro.com/products/screws/din-551-slotted-grub-screws-flat-point/): DIN 551 grub (headless) set screws with slotted drive and flat point, M1 to M12 — the shallowest headless clamp that presses, not bites — with the full collec (updated 2026-11)
- [DIN 553 Slotted Grub Screws with Cone Point — IndFastPro](https://www.indfastpro.com/products/screws/din-553-slotted-grub-screws-cone-point/): DIN 553 grub (headless) set screws with slotted drive and cone point, M1 to M12 — the sharp tapered point that centres itself in a drilled dimple for maximum  (updated 2026-11)
- [ISO 1207 Slotted Cheese Head Screws — IndFastPro](https://www.indfastpro.com/products/screws/iso-1207-slotted-cheese-head-screws/): ISO 1207 machine screws with slotted cheese head, M1.6 to M10 — the flat-topped cylindrical head that gives a deep slot and a stable seat for small assembly w (updated 2026-11)
- [ISO 14580 Hexalobular Socket Cheese Head Screws](https://www.indfastpro.com/products/screws/iso-14580-hexalobular-cheese-head-screws/): ISO 14580 cheese head screws with hexalobular (TORX-style) socket, M2 to M10 — the flat-topped cylindrical head upgraded from a slot to a high-torque six-lobe (updated 2026-11)
- [DIN 464 Knurled Thumb Screws — IndFastPro | Specifications](https://www.indfastpro.com/products/screws/din-464-knurled-thumb-screws/): DIN 464 thumb screws with slotted knurled cylindrical head, M1 to M10 — fingertip adjustment with a slot for a driver — with the full collected 12-size table: (updated 2026-11)
- [DIN 653 Knurled Thumb Screws, Low Type — IndFastPro](https://www.indfastpro.com/products/screws/din-653-knurled-thumb-screws-low-type/): DIN 653 thumb screws with low knurled head, M1 to M10 — the shallow-profile fingertip screw for clearance-limited adjustments — with the full collected 12-siz (updated 2026-11)
- [DIN 316 Wing Screws with Rounded Wings — IndFastPro](https://www.indfastpro.com/products/screws/din-316-wing-screws-rounded-wings/): DIN 316 wing screws with rounded wings, M4 to M12 — the classic two-wing hand knob in die-cast form — with the full collected 6-size table: wing span, wing th (updated 2026-11)
- [DIN 427 Slotted Head Screws with Shank — IndFastPro](https://www.indfastpro.com/products/screws/din-427-slotted-head-screws-with-shank/): DIN 427 slotted cheese head screws with shank, M1 to M20 — the precision shanked variant whose unthreaded shank is drawn to tighter limits for location — with (updated 2026-11)
- [DIN 920 Slotted Pan Head Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-920-slotted-pan-head-screws/): DIN 920 slotted pan head screws, M1 to M10 — the small-size end of the slotted pan family with its own head bands — with the full collected 12-size table: hea (updated 2026-11)
- [DIN 921 Slotted Pan Head Screws with Large Head](https://www.indfastpro.com/products/screws/din-921-slotted-pan-head-screws-large-head/): DIN 921 slotted pan head screws with enlarged head, M1 to M10 — the oversized pan head that spreads clamp load over a bigger bearing circle without a washer — (updated 2026-11)
- [DIN 923 Slotted Pan Head Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-923-slotted-pan-head-screws/): DIN 923 slotted pan head screws, M1.4 to M10 — the reference slotted pan head of the machine-screw family — with the full collected 10-size table: head and sh (updated 2026-11)
- [DIN 15237 Seating Screws — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/screws/din-15237-seating-screws/): DIN 15237 seating screws, M6 to M12 — the flat large-diameter head screw for clamping inserts and seats with a wide, low bearing circle — with the collected s (updated 2026-11)
- [ISO 2009 Slotted Countersunk Flat Head Screws](https://www.indfastpro.com/products/screws/iso-2009-slotted-countersunk-flat-head-screws/): ISO 2009 slotted countersunk flat head screws, M1.6 to M10 — the metric counterpart of DIN 963 with the full collected 10-size table: head-cone geometry, slot (updated 2026-11)
- [ISO 7046-1 Countersunk Flat Head Screws (H / Z Cross](https://www.indfastpro.com/products/screws/iso-7046-1-countersunk-flat-head-screws-cross-recess/): ISO 7046-1 countersunk flat head screws with Phillips-type H or Pozidriv-type Z cross recess, M1.6 to M10 — the power-drivable counterpart of the slotted coun (updated 2026-11)
- [ISO 7047 Raised Countersunk Head Screws (H / Z Cross](https://www.indfastpro.com/products/screws/iso-7047-raised-countersunk-head-screws/): ISO 7047 raised countersunk (oval) head screws with H or Z cross recess, M1.6 to M10 — the countersunk head that may sit slightly proud with a domed crown — w (updated 2026-11)
- [ISO 10642 Hex Socket Countersunk Head Cap Screws](https://www.indfastpro.com/products/screws/iso-10642-hex-socket-countersunk-cap-screws/): ISO 10642 countersunk head cap screws with hexagon socket, M3 to M20 — the high-strength socket-drive countersunk screw that replaces DIN 7991 — with the full (updated 2026-11)
- [DIN 906 Hexagon Socket Pipe Plugs (Taper Thread)](https://www.indfastpro.com/products/screws/din-906-hex-socket-pipe-plugs-taper-thread/): DIN 906 pipe plugs with hexagon socket and taper thread, M8 to M60 with R pipe-thread alternatives — the flush metal-to-metal seal plug for closed ports in hy (updated 2026-11)
- [DIN 908 Hexagon Socket Screw Plugs (Cylindrical Thread)](https://www.indfastpro.com/products/screws/din-908-hex-socket-screw-plugs-cylindrical-thread/): DIN 908 screw plugs with hexagon socket and cylindrical thread, M10 to M64 with G pipe-thread variants — the flat-seated plug that seals through a washer agai (updated 2026-11)
- [ANSI B18.3 Hex Socket Head Shoulder Screws — IndFastPro](https://www.indfastpro.com/products/screws/ansi-b18-3-hex-socket-head-shoulder-screws/): ANSI/ASME B18.3 hex socket head shoulder screws in inch sizes — threaded end #4 to 1-1/2 under an unthreaded precision shoulder from 1/8 to 2 in — with the co (updated 2026-11)
- [ANSI B18.3 Hex Socket Set Screws, Cup Point — IndFastPro](https://www.indfastpro.com/products/screws/ansi-b18-3-hex-socket-set-screws-cup-point/): ANSI/ASME B18.3 hex socket set screws with cup point, #0 to 2 in — the default grub screw for locking collars, pulleys and knobs to shafts — with the collecte (updated 2026-11)
- [ANSI B18.3 Hex Socket Set Screws, Flat Point](https://www.indfastpro.com/products/screws/ansi-b18-3-hex-socket-set-screws-flat-point/): ANSI/ASME B18.3 hex socket set screws with flat point, #0 to 2 in — the grub screw for finished surfaces and re-adjustable settings — with the collected 24-si (updated 2026-11)
- [ANSI B18.3 Hex Socket Set Screws, Dog Point — IndFastPro](https://www.indfastpro.com/products/screws/ansi-b18-3-hex-socket-set-screws-dog-point/): ANSI/ASME B18.3 hex socket set screws with dog point, #0 to 2 in — the pilot-ended grub screw that locates in a drilled hole — with the collected 24-size tabl (updated 2026-11)
- [ANSI B18.3 Hex Socket Set Screws, Cone Point](https://www.indfastpro.com/products/screws/ansi-b18-3-hex-socket-set-screws-cone-point/): ANSI/ASME B18.3 hex socket set screws with cone point, #0 to 2 in — the maximum-bite grub screw for soft shafts and permanent setting — with the collected 24- (updated 2026-11)
- [ANSI B18.3 Button Socket Head Cap Screws — IndFastPro](https://www.indfastpro.com/products/screws/ansi-b18-3-button-socket-head-cap-screws/): ANSI/ASME B18.3 button socket head cap screws, #0 to 3/4 in — the low-profile domed-head inch hex socket screw — with the collected 16-size table: head diamet (updated 2026-11)
- [ANSI B18.3 Flat Socket Head Cap Screws — IndFastPro](https://www.indfastpro.com/products/screws/ansi-b18-3-flat-socket-head-cap-screws/): ANSI/ASME B18.3 flat socket head cap screws, #0 to 1-1/2 in — the 82° countersunk inch hex socket screw for flush or sub-flush seating — with the collected 23 (updated 2026-11)
- [ISO 7046-2 Cross-Recessed Countersunk Flat Head Screws](https://www.indfastpro.com/products/screws/iso-7046-2-countersunk-flat-head-screws/): ISO 7046-2 cross-recessed countersunk flat head screws, 90° head, M2 to M10 — the general-purpose countersunk machine screw — with the collected size table in (updated 2026-11)
- [ISO 8676 Hex Head Screws (Fine Pitch, Fully Threaded)](https://www.indfastpro.com/products/screws/iso-8676-hex-head-screws-fine-pitch/): ISO 8676 hexagon head screws fully threaded with metric fine pitch thread, M8×1 to M64×4 — the fully threaded fine-pitch counterpart of ISO 4017, with the col (updated 2026-11)
- [DIN 910 Hex Head Screw Plugs (Heavy Type, Cylindrical](https://www.indfastpro.com/products/screws/din-910-hex-head-screw-plugs/): DIN 910 hexagon head screw plugs, heavy type with cylindrical thread — metric M10–M52 and G pipe-thread 1/8–1 3/4 variants in one series — with the collected  (updated 2026-11)
- [ISO 12474 Hex Socket Head Cap Screws (Fine Pitch)](https://www.indfastpro.com/products/screws/iso-12474-hex-socket-cap-screws-fine-pitch/): ISO 12474 hexagon socket head cap screws with metric fine pitch thread, M8×1 to M36×3 — the fine-pitch member of the ISO 4762 socket family, with the collecte (updated 2026-11)
- [DIN 7500C Cross Recessed Pan Head Thread Rolling Screws](https://www.indfastpro.com/products/screws/din-7500c-thread-rolling-screws/): DIN 7500C cross recessed pan head thread rolling screws with metric thread, Type C pan head acc. (updated 2026-11)
- [DIN 7500M Cross Recessed Countersunk Head Thread Rolling](https://www.indfastpro.com/products/screws/din-7500m-countersunk-thread-rolling-screws/): DIN 7500M cross recessed countersunk head thread rolling screws with metric thread, Type M countersunk head acc. (updated 2026-11)
- [ASME/ANSI B16.14 Hexagon Socket Pipe Plugs — IndFastPro](https://www.indfastpro.com/products/screws/asme-b16-14-hex-socket-pipe-plugs/): ASME/ANSI B16.14 hexagon socket pipe plugs, NPS 1/8–3-1/2 — inch straight pipe-thread plugs seated flush with a hex socket drive, with the collected per-size  (updated 2026-11)
- [ASME B1.1 Thread Pitch Chart — UNC / UNF / UNEF /](https://www.indfastpro.com/products/screws/asme-b1-1-unc-unf-unef-thread-pitch-chart/): ASME B1.1 unified inch screw thread pitch chart for 0 – 2 in nominal sizes — threads per inch for UNC, UNF, UNEF and the constant-pitch 4-UN through 32-UN ser (updated 2026-11)
- [ASME B1.13M Metric Screw Threads (M Profile) — External](https://www.indfastpro.com/products/screws/asme-b1-13m-metric-external-thread-dimensions/): ASME B1.13M (M profile) external thread limiting dimensions for M1.6 – M40 at tolerance classes 6g, 6h and 4g6g — major diameter d, pitch diameter d2 and mino (updated 2026-11)
- [ISO 262 Metric Screw Threads — Selected Pitches for](https://www.indfastpro.com/products/screws/iso-262-metric-thread-pitch-diameter/): ISO 262 general-purpose metric screw thread pitch selection for M1.6 – M64 — the coarse pitch per nominal size plus the fine-pitch options, with the source's  (updated 2026-11)
- [DIN 103 Metric Trapezoidal Screw Threads — Limiting](https://www.indfastpro.com/products/screws/din-103-trapezoidal-threads/): DIN 103 metric trapezoidal screw thread limiting dimensions for TR8 – TR40 — external (screw) threads at class 7e and internal (nut) threads at class 7H, with (updated 2026-11)
- [ASME B1.1 UNC Thread Limiting Dimensions — External 2A /](https://www.indfastpro.com/products/screws/asme-b1-1-unc-thread-dimensions/): ASME B1.1 unified coarse (UNC) thread limiting dimensions — external class 2A and internal class 2B major, pitch and minor diameter max/min per size from #1 t (updated 2026-11)
- [ASME B1.1 UNF Thread Limiting Dimensions — External 2A /](https://www.indfastpro.com/products/screws/asme-b1-1-unf-thread-dimensions/): ASME B1.1 unified fine (UNF) thread limiting dimensions — external class 2A and internal class 2B major, pitch and minor diameter max/min per size from #0 to  (updated 2026-11)
- [ASME B1.20.1 NPT Taper Pipe Threads — Basic Dimensions](https://www.indfastpro.com/products/screws/asme-b1-20-1-npt-thread-dimensions/): ANSI/ASME B1.20.1 NPT taper pipe thread basic dimensions — pipe OD, TPI, pitch, E0/E1/E2 pitch diameters, L1/L2 engagement lengths and small-end minor diamete (updated 2026-11)
- [ISO 228 / ISO 7 British Standard Pipe Threads — BSPP (G) /](https://www.indfastpro.com/products/screws/iso-228-iso-7-bspp-bspt-thread-dimensions/): British Standard Pipe thread dimensions per ISO 228 (parallel BSPP/G) and ISO 7 (taper BSPT/R) — TPI, pitch, thread height and major/pitch/minor diameters in  (updated 2026-11)
- [ASME B1.13M Metric Internal Threads — 6H Limiting](https://www.indfastpro.com/products/screws/asme-b1-13m-metric-internal-thread-dimensions/): ASME B1.13M metric screw thread (M profile) internal limiting dimensions at tolerance class 6H — minor, pitch and major diameter min/max per thread designatio (updated 2026-11)
- [ASME B1.10M Unified Miniature Screw Threads (UNM)](https://www.indfastpro.com/products/screws/asme-b1-10m-unified-miniature-screw-threads/): ASME B1.10M unified miniature screw thread (UNM) limiting dimensions — external and internal major, pitch and minor diameter max/min with per-diameter toleran (updated 2026-11)
- [ASME B18.11 Slotted Head Miniature Screws — Fillister /](https://www.indfastpro.com/products/screws/asme-b18-11-miniature-screws/): ASME B18.11 slotted head miniature screw head dimensions — fillister, pan and flat (100° countersunk) head diameter, height, slot width/depth, chamfer and con (updated 2026-11)
- [ISO 1478 Self-Tapping Screw Threads (ST) — Thread and](https://www.indfastpro.com/products/screws/iso-1478-self-tapping-screw-threads/): ISO 1478 self-tapping screw thread (ST) dimensions — pitch, major/pitch/minor diameter max/min, crest rounding, point radius and incomplete-thread lengths for (updated 2026-11)
- [Thread Measuring Wires — Best-Size Wire Diameters for ISO](https://www.indfastpro.com/products/screws/thread-measuring-wires-iso-metric-sizes/): Best-size wire diameters for measuring ISO general purpose metric screw thread (M) pitch diameters by the three-wire method, per ISO 16239 — one wire diameter (updated 2026-11)
- [Thread Measuring Wires — Best-Size Wire Diameters for UN](https://www.indfastpro.com/products/screws/thread-measuring-wires-un-sizes/): Best-size wire diameters for measuring UN screw thread pitch diameters by the three-wire method, per ISO 16239 — one wire diameter per threads-per-inch value  (updated 2026-11)
- [Metric Tap Drill Chart — ISO Coarse (M1.6 – M56) and Fine](https://www.indfastpro.com/products/screws/metric-tap-drill-chart-iso-coarse-fine/): Recommended tap drill diameters for ISO metric threads — coarse pitch M1.6 to M56 and fine pitch M8 to M52, with the 5H/6H/7H internal minor-diameter class li (updated 2026-11)
- [Roll Form Tap Drill Chart — Unified Threads](https://www.indfastpro.com/products/screws/roll-form-tap-drill-chart-unified/): Thread-forming (roll) tap hole sizes for Unified inch threads — 165 thread rows precomputed at 65% full thread with drill oversize included, each with theoret (updated 2026-11)
- [Unified Tap Drill Chart — UNC / UNEF / UNF Reference](https://www.indfastpro.com/products/screws/unified-tap-drill-chart-unc-unf-unef/): Recommended tap drill sizes for Unified inch threads — 73 rows covering UNC, UNEF and UNF from #0-80 to 1-3/4-5, each with drill decimal equivalent and thread (updated 2026-11)
- [Hex Key Sizes Chart — Inch Series per ASME B18.3 (0.028](https://www.indfastpro.com/products/screws/hex-key-sizes-chart-inch-asme-b18-3/): Hex key and hex bit dimensions in inch series per ASME B18.3 — width across flats with tolerances from 0.028 to 3 in, across-corners limits, bit section dimen (updated 2026-11)
- [Hexagon Socket Screw Key Chart — ISO 2936:2001 Metric, s](https://www.indfastpro.com/products/screws/hex-socket-key-chart-iso-2936-metric/): Metric hexagon socket screw key dimensions per ISO 2936:2001 — width across flats s from 0.7 to 36 mm with tolerances, across-corners limits e, long-arm lengt (updated 2026-11)
- [ASME Screw Thread Standards Index — Complete B1 Series](https://www.indfastpro.com/products/screws/asme-b1-thread-standards-index/): Complete index of the ASME B1 screw thread standards — unified inch (UN/UNR/UNJ), Acme and Stub Acme, buttress, metric M and MJ, pipe threads (NPT series, Dry (updated 2026-11)
- [Acme Thread Dimensions — ASME B1.5 General-Purpose 2G](https://www.indfastpro.com/products/screws/acme-thread-dimensions-asme-b1-5/): Limits of size for general-purpose Acme screw threads per ASME B1.5 — 23 designations from 1/4-16 to 5-2 at class 2G, each with major, pitch and minor diamete (updated 2026-11)
- [Stub Acme Thread Dimensions — ASME B1.8 2G Limits of Size](https://www.indfastpro.com/products/screws/stub-acme-thread-dimensions-asme-b1-8/): Limits of size for Stub Acme screw threads per ASME B1.8 — the same 23-designation ladder from 1/4-16 to 5-2 at class 2G with major, pitch and minor diameter  (updated 2026-11)
- [ISO Screw Thread Standards Index — Complete List with](https://www.indfastpro.com/products/screws/iso-screw-thread-standards-index/): Complete index of the ISO screw thread standards — the metric M profile family (ISO 68-1, 261, 262, 724, the five-part ISO 965 tolerance system including its  (updated 2026-11)
- [Socket Head Cap Screw Dimensions — ASME B18.3 Inch Ladder](https://www.indfastpro.com/products/screws/asme-b18-3-socket-head-cap-screws-inch/): Head, body and socket dimensions for ASME B18.3 socket head cap screws across the full inch ladder from #0 to 1-1/2, with alloy-vs-stainless mechanical proper (updated 2026-11)
- [Low Head Socket Cap Screw Dimensions — ASME B18.3 Inch](https://www.indfastpro.com/products/screws/asme-b18-3-low-head-socket-cap-screws-inch/): Dimensions and mechanical properties for ASME B18.3 low head socket cap screws in the six sizes #8 through 1/2 — the reduced-head variant for clearance-limite (updated 2026-11)
- [Spline Socket Keys (Inch Sizes) — Companion Drive Tool](https://www.indfastpro.com/products/screws/spline-socket-keys-inch/): Spline socket keys, nominal socket sizes 0.033 – 0.790 in — the xzn-shaped drive hardware that turns spline-socket set and cap screws, with the collected per- (updated 2026-11)
- [#0000 / #000 / #00 Miniature Machine Screw Threads](https://www.indfastpro.com/products/screws/no-0000-000-00-machine-screw-threads/): Unified miniature machine screw threads for #0000, #000 and #00 — external and internal thread limits at 160/120/90/96 TPI (NS class 2), with the collected ta (updated 2026-11)
- [DIN 465 Knurled Thumb Screws — IndFastPro | Specifications](https://www.indfastpro.com/products/screws/din-465-knurled-thumb-screws/): DIN 465 knurled thumb screws, M3–M6 with lengths 4–20 mm — the hand-tightened knurled-head screw with a slotted head face, carrying the collected head-geometr (updated 2026-11)
- [ISO 14579 Hexalobular Pan Head Screws — IndFastPro](https://www.indfastpro.com/products/screws/iso-14579-hexalobular-pan-head-screws/): ISO 14579 hexalobular socket pan head screws — M2 to M20, the torque-transmitting six-lobe drive in a full pan head, with the collected geometry rows, ls/lg t (updated 2026-11)
- [ISO 14582 Hexalobular Countersunk High Head Screws](https://www.indfastpro.com/products/screws/iso-14582-hexalobular-countersunk-high-head-screws/): ISO 14582 hexalobular socket countersunk flat head screws, high head — M3 to M10, the flush countersunk head with a tall cone that fits a deep six-lobe drive, (updated 2026-11)
- [ISO 14587 Hexalobular Raised Countersunk Tapping Screws](https://www.indfastpro.com/products/screws/iso-14587-hexalobular-raised-countersunk-tapping-screws/): ISO 14587 hexalobular socket raised countersunk (oval) head tapping screws — ST2,9 to ST6,3, the six-lobe drive on an oval countersunk head for sheet-metal th (updated 2026-11)
- [ISO 1580 Slotted Pan Head Screws — IndFastPro](https://www.indfastpro.com/products/screws/iso-1580-slotted-pan-head-screws/): ISO 1580 slotted pan head screws — M1,6 to M10, the classic flat-topped machine screw with a single slot, with the collected geometry rows and the full weight (updated 2026-11)
- [ISO 2010 Slotted Raised Countersunk Head Screws](https://www.indfastpro.com/products/screws/iso-2010-slotted-raised-countersunk-head-screws/): ISO 2010 slotted raised countersunk (oval) head machine screws — M1 to M10, the crowned flush head for thin or finished panels, with the collected geometry ro (updated 2026-11)
- [ISO 1479 Hexagon Head Tapping Screws — IndFastPro](https://www.indfastpro.com/products/screws/iso-1479-hexagon-head-tapping-screws/): ISO 1479 hexagon head tapping screws ST2,2 to (ST8) — the wrench-driven sheet-metal screw that forms its own thread in thin material, with the collected head/ (updated 2026-11)
- [ISO 1481 Slotted Pan Head Tapping Screws — IndFastPro](https://www.indfastpro.com/products/screws/iso-1481-slotted-pan-head-tapping-screws/): ISO 1481 slotted pan head tapping screws ST 2,2 to ST 9,5 — the classic slotted pan sheet-metal screw, with the collected full geometry ladder and the trade-s (updated 2026-11)
- [ISO 1482 Slotted Countersunk Head Tapping Screws](https://www.indfastpro.com/products/screws/iso-1482-slotted-countersunk-head-tapping-screws/): ISO 1482 slotted countersunk head tapping screws ST2,2 to ST6,3 — the flush-finish sheet-metal screw for pre-countersunk holes, with the collected geometry la (updated 2026-11)
- [ISO 1483 Slotted Raised Countersunk Head Tapping Screws](https://www.indfastpro.com/products/screws/iso-1483-slotted-raised-countersunk-head-tapping-screws/): ISO 1483 slotted raised countersunk head tapping screws ST2,2 to ST6,3 — the countersunk body with a low rounded crown, with the collected geometry ladder inc (updated 2026-11)
- [ISO 7049 Cross Recessed Pan Head Tapping Screws (Types H](https://www.indfastpro.com/products/screws/iso-7049-cross-recessed-pan-head-tapping-screws/): ISO 7049 pan head tapping screws with cross recess H and Z, Form C — ST2,2 to ST6,3 — the power-tool sheet-metal screw, with the collected recess sizing (No. (updated 2026-11)
- [ISO 7050 Cross Recessed Countersunk Head Tapping Screws](https://www.indfastpro.com/products/screws/iso-7050-cross-recessed-countersunk-head-tapping-screws/): ISO 7050 cross recessed countersunk head tapping screws, Form C — ST2,2 to ST6,3 — the flush power-tool sheet-metal screw, with the collected recess sizing, T (updated 2026-11)
- [ISO 7051 Countersunk (Flat) Head Tapping Screws with Cross](https://www.indfastpro.com/products/screws/iso-7051-cross-recessed-raised-countersunk-head-tapping-screws/): ISO 7051 countersunk (raised) head tapping screws with cross recess, Form C — ST2,2 to ST6,3 — the flush power-tool head with a low crown, with the collected  (updated 2026-11)
- [ISO 14584 Hexalobular Socket Raised Countersunk Head](https://www.indfastpro.com/products/screws/iso-14584-hexalobular-raised-countersunk-head-screws/): ISO 14584 hexalobular (TORX) socket raised countersunk head screws M2 to M10 — the machine-thread TORX countersunk with a raised crown, with the collected a/b (updated 2026-11)
- [ISO 14585 Hexalobular Pan Head Tapping Screws](https://www.indfastpro.com/products/screws/iso-14585-hexalobular-pan-head-tapping-screws/): ISO 14585 hexalobular pan head tapping screws ST2,9 to ST6,3 — TORX drive meets the sheet-metal pan head, with the collected d2/k/TORX/(A)/t attribute rows pe (updated 2026-11)
- [ISO 14586 Hexalobular Countersunk Head Tapping Screws](https://www.indfastpro.com/products/screws/iso-14586-hexalobular-countersunk-head-tapping-screws/): ISO 14586 hexalobular countersunk head tapping screws ST2,9 to ST6,3 — the flush TORX sheet-metal screw, with the collected d2/k/TORX/(A)/t attribute rows per (updated 2026-11)
- [ISO 15071 Hexalobular Socket Raised Countersunk Tapping](https://www.indfastpro.com/products/screws/iso-15071-hexalobular-raised-countersunk-tapping-screws/): ISO 15071 hexalobular socket raised countersunk (oval) head tapping screws M5 to M16 — the Torx-driven tapping screw with a slightly proud oval head, with the (updated 2026-11)
- [ISO 15480 Thread Forming Screws for Metric ISO Threads](https://www.indfastpro.com/products/screws/iso-15480-thread-forming-screws-metric-iso-threads/): ISO 15480 thread forming screws for metric ISO threads M3 to M6 — screws that roll a standard-pitch metric thread into a prepared hole, with the collected d2/ (updated 2026-11)
- [ISO 21269 Hexagon Socket Head Cap Screws, Fine Pitch](https://www.indfastpro.com/products/screws/iso-21269-hex-socket-cap-screws-fine-pitch/): ISO 21269 hexagon socket head cap screws with metric fine pitch thread M8x1 to M64x4 — the socket head for fine-pitch threading, with the collected b/dk/ds/e/ (updated 2026-11)
- [ISO 4766 Slotted Set Screws, Flat Point — IndFastPro](https://www.indfastpro.com/products/screws/iso-4766-slotted-set-screws/): ISO 4766 slotted set screws with flat point M1 to M12 — the smallest slotted grub-screw line, with the collected dp/n/t point-and-slot rows and the full lengt (updated 2026-11)
- [ISO 7048 Cross-Recessed Cheese Head Screws — IndFastPro](https://www.indfastpro.com/products/screws/iso-7048-cross-recessed-cheese-head-screws/): ISO 7048 cross-recessed cheese head screws M2,5 to M8 — the tall cylindrical head with a cross recess, with the collected a/b/dk/da/k/r/x geometry rows and th (updated 2026-11)
- [ISO 7436 Slotted Set Screws, Cup Point — IndFastPro](https://www.indfastpro.com/products/screws/iso-7436-slotted-set-screws-cup-point/): ISO 7436 slotted set screws with cup point d 1,4 to 6 (M3 – M10 length ladder) — the screwdriver-driven anti-rotation point, with the collected n/t rows and t (updated 2026-11)
- [ISO 7434 Slotted Set Screws, Cone Point — IndFastPro](https://www.indfastpro.com/products/screws/iso-7434-slotted-set-screws-cone-point/): ISO 7434 slotted set screws with cone point, M1 to M12 — the small-screw end of the slotted set-screw line, with the slot n / cone dt / recess t grid plus a m (updated 2026-11)
- [ISO 7435 Slotted Set Screws, Long Cone Point](https://www.indfastpro.com/products/screws/iso-7435-slotted-set-screws-long-cone-point/): ISO 7435 slotted set screws with long cone point, M1,6 to M12 — the sibling of ISO 7434 with the extended point (z rows) for deep-seated locating, with two ve (updated 2026-11)
- [ANSI/ASME B18.6.2 Square Head Set Screws, Inch Series](https://www.indfastpro.com/products/screws/ansi-b18-6-2-square-head-set-screws-inch/): Inch square head set screws per ANSI/ASME B18.6.2, #10 through 1-1/2: full head and point dimension grid with the manufacturer's recommended seating torques f (updated 2026-11)
- [Class 5 Interference-Fit Threads — IndFastPro](https://www.indfastpro.com/products/screws/class-5-interference-fit-threads/): Class 5 interference-fit screw threads, 0.2500-20 through 1.5000-6 — pitch-diameter interference limits (max/min), engagement lengths and tapped-hole depths i (updated 2026-11)
- [Metric Bolt, Screw and Nut Strength — ISO 898 Property](https://www.indfastpro.com/products/screws/screw-strength-iso-898-iso-3506/): ISO 898-1 property classes 3.6 to 12.9 — nominal and minimum tensile strength, lower yield and 0.2% proof stress — plus ISO 898-2 nut-to-bolt class pairing an (updated 2026-11)
- [ANSI, ISO Thread Designations and References](https://www.indfastpro.com/products/screws/ansi-iso-thread-chart/): 61-entry thread designation chart — Unified (UN/UNC/UNF/UNJ), metric M/MJ, pipe threads (NPT/NPTF/NPS), British (BSW/BSF/BA/R/G), Acme, buttress and special s (updated 2026-11)
- [Metric Thread Stress and Shear Areas — IndFastPro](https://www.indfastpro.com/products/screws/metric-thread-stress-and-shear-areas/): Per metric thread size M 5 to M 100: the bolt's tensile stress area, and the bolt and nut thread strip (shear) areas per one diameter of engagement under the  (updated 2026-11)
- [DIN 6885 Parallel Keys — Deep Pattern — IndFastPro](https://www.indfastpro.com/products/screws/din-6885-parallel-keys-deep-pattern/): DIN 6885 parallel keys and deep-pattern keyways, 2 x 2 through 100 x 50 (updated 2026-11)
- [DIN 6888 Woodruff Keys — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/screws/din-6888-woodruff-keys/): DIN 6888 woodruff (semi-circular) keys, 1 x 1.4 through 10 x 16 (updated 2026-11)
- [DIN 6911 Hexagon Socket Screw Keys with Pilot](https://www.indfastpro.com/products/screws/din-6911-hex-socket-screw-keys-with-pilot/): DIN 6911 hexagon socket screw keys (hex keys) with pilot, sizes 3 through 27 (updated 2026-11)
- [Legacy BS 3692 / BS 4320 Hexagon Bolts, Nuts and Washers](https://www.indfastpro.com/products/screws/legacy-bs-3692-hex-bolts-nuts-washers/): Legacy BS 3692 hexagon bolt and nut limits of size (coarse and fine threads, M3 - M36, decimal-comma notation as printed) with BS 4320 normal and large plain- (updated 2026-11)
- [Legacy BS 3643 Metric Thread Limits of Size (6g / 6H Full](https://www.indfastpro.com/products/screws/legacy-bs-3643-thread-limits-of-size/): The legacy BS 3643 limits-of-size ladder, M1.6 through M300 across coarse and fine pitches: external 6g and internal 6H major, pitch and minor diameter max/mi (updated 2026-11)
- [Legacy BS 3643 / ISO 965 Thread Tolerance Data](https://www.indfastpro.com/products/screws/legacy-bs-3643-thread-tolerance-data/): The legacy tolerance-system dataset behind general-purpose metric threads: profile geometry constants per pitch, ISO 261 diameter/pitch grid, tolerance class  (updated 2026-11)
- [ISO 724 Metric Thread Basic Dimensions (M1.6 - M100)](https://www.indfastpro.com/products/screws/iso-724-metric-thread-basic-dimensions/): ISO 724 basic thread dimensions for the general-purpose coarse series, M1.6 - M100: pitch, basic major diameter d = D, basic pitch diameter d2 = D2 and basic  (updated 2026-11)
- [ISO 965 Metric Thread Tolerance Classes — IndFastPro](https://www.indfastpro.com/products/screws/iso-965-metric-thread-tolerance-classes/): The ISO 965 tolerance system for general-purpose metric threads, current editions: designation notation, controlled diameters with grades and positions, funda (updated 2026-11)
- [Hardness Conversion Chart — IndFastPro | Specifications &](https://www.indfastpro.com/products/screws/hardness-conversion-chart/): Brinell (HB), Rockwell C (HRC), Vickers (HV) and Rockwell B (HRB) hardness values paired row by row for carbon steel, cast steel and low-alloy fasteners, from (updated 2026-11)
- [Fastener Finish K Factors — IndFastPro | Specifications &](https://www.indfastpro.com/products/screws/fastener-finish-k-factors/): Torque coefficient K for sixty fastener finishes, coatings and lubricating conditions — plain, black oxide, phosphate, zinc plate systems, zinc flake (DACROME (updated 2026-11)
- [DIN / ISO / EN Crossover Chart — IndFastPro](https://www.indfastpro.com/products/screws/din-iso-en-crossover-chart/): Ninety-four-row map from withdrawn DIN fastener standards to their replacement DIN EN ISO, DIN EN, DIN ISO or comparable ISO standards — with the current edit (updated 2026-11)
- [ISO Tolerance Zones (Shaft and Hole) — IndFastPro](https://www.indfastpro.com/products/screws/iso-tolerances/): ISO system tolerance zones in millimetres for the nominal dimension steps — external (shaft) zones m6 and h6 through h16, internal (hole) zones H7 through H14 (updated 2026-11)
- [Basic Metric Thread Chart (M1 – M100) — IndFastPro](https://www.indfastpro.com/products/screws/basic-metric-thread-chart/): Coarse and fine thread pitches for metric designations M1 through M100 — the ISO coarse pitch per size plus the fine-pitch options the source tabulates (up to (updated 2026-11)
- [Key Stock Specifications (Square, Rectangular, Flat)](https://www.indfastpro.com/products/screws/key-stock/): Key steel stock specifications in the three stocked forms — square (b x b), rectangular and flat rectangular (b x h) — with permissible variations on width an (updated 2026-11)
- [Chemical Resistance Table for Screws in A2 and A4](https://www.indfastpro.com/products/screws/chemical-resistance-a2-a4/): A 100-plus-agent corrosion-resistance table for A2 (304-type) and A4 (316-type) stainless fasteners, rated 0-3 with a pitting flag L per agent, concentration  (updated 2026-11)
- [DIN / ISO Specifications List — IndFastPro](https://www.indfastpro.com/products/screws/diniso-specifications-list/): The collected source's specifications index: DIN standard numbers grouped by number range (0-100 through 9001-10000) plus the ISO block (2338, 7379, 7380) — t (updated 2026-11)
- [DIN 193 Specifications — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/screws/din-193/): Dimension table for DIN 193 as printed on the collected technical page — d, d1, s, m from M5 to M16, all measurements in millimetres — with the source's page  (updated 2026-11)
- [DIN 196 Specifications — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/screws/din-196/): Dimension table for DIN 196 as printed on the collected technical page — d, d1, s, m from M5 to M16, all measurements in millimetres — with the source's page  (updated 2026-11)
- [ASME B18.6.7M Hex Head Machine Screws (Metric)](https://www.indfastpro.com/products/screws/asme-b18-6-7m-hex-head-machine-screws-metric/): Metric hex head machine screws per ASME B18.6.7M — head dimension table M2 to M12 with pitches: body diameter DS, width across flats Sa, across corners Ea, he (updated 2026-11)
- [ASME B18.6.3 Micro Machine Screws (Cross-Recess and](https://www.indfastpro.com/products/screws/asme-b18-6-3-micro-machine-screws/): Micro machine screw data per ASME B18.6.3 — cross-recess dimensions by type (I, II, III, VI) with driver sizes and penetration gaging depths from #0 up, plus  (updated 2026-11)
- [ANSI Inch Thread Stress and Shear Areas — IndFastPro](https://www.indfastpro.com/products/screws/ansi-inch-thread-stress-shear-areas/): Tensile stress area and bolt/nut thread strip area per inch of engagement for UNC/UNF/UN inch threads #0.1900-24 through 4.0000-8 UN, split by 2A/2B and 3A/3B (updated 2026-11)
- [Keyseat Dimensions for Woodruff Keys (ANSI B17.2)](https://www.indfastpro.com/products/screws/keyseat-dimensions-woodruff-keys/): ANSI B17.2 woodruff keyseat charts, key numbers 202 through the large series: shaft keyseat width/depth, cutter diameter, key height above shaft, and hub keys (updated 2026-11)
- [Löwenherz Thread Size Chart — IndFastPro | Specifications](https://www.indfastpro.com/products/screws/lowenherz-thread-size-chart/): The Löwenherz fine thread series, 1.0 to 16 mm nominal diameter: metric diameter with inch equivalent, pitch in mm, and approximate threads per inch — the sha (updated 2026-11)
- [Sheet Metal Thread Dimensions (Type AB and Type U Tapping](https://www.indfastpro.com/products/screws/sheet-metal-thread-dimensions/): Thread-form dimensions for ANSI type AB thread-forming tapping screws (formerly type BA) — major/minor diameter by screw size 0 through the ladder — and type  (updated 2026-11)
- [Sheet Metal Self-Threading Screws — Types B/BP and BF/BT](https://www.indfastpro.com/products/screws/sheet-metal-self-threading-b-bp/): Thread dimensions for ANSI sheet-metal self-threading screws: thread-forming types B and BP (major/minor diameter max/min by nominal size 0-0.0600 upward) and (updated 2026-11)
- [Torx (Hexalobular) Head Fastener Basic Dimensions](https://www.indfastpro.com/products/screws/torx-head-fastener-basic-dimensions/): Torx socket basic dimensions by socket number 6 through 100: dimension A (socket across-corners) and dimension B, plus the fallaway allowance f ladder — the d (updated 2026-11)
- [ANSI Hex Lag Screws — Thread, Head and Lead-Hole Tables](https://www.indfastpro.com/products/screws/ansi-hex-lag-screws/): Hex lag screws #10 through 1-1/4 in: thread dimensions (pitch, root flat/depth/diameter), head and shoulder dimensions (body dia., across flats/corners, heigh (updated 2026-11)
- [Wrench Openings Table (Nut Across Flats, Jaw Allowance](https://www.indfastpro.com/products/screws/wrench-openings-table/): Wrench openings from 5/32 to 6-1/8 in basic: maximum nut across-flats each wrench serves, the jaw allowance and opening tolerance that make the fit, and the n (updated 2026-11)
- [AS/NZS 2465 Hexagon Screws (UNC and UNF Threads)](https://www.indfastpro.com/products/screws/asnzs-2465-hex-screws-unc-unf/): AS/NZS 2465-1999 (R2016) hexagon head screws on UNC and UNF threads, 7/16 through 2-1/4 in: threads per inch, across flats and corners, head height — the Aust (updated 2026-11)
- [BS 1083 Precision Hexagon Screws, Washer Faced (BSW and](https://www.indfastpro.com/products/screws/bs-1083-1965-hex-screws-bsw-bsf/): BS 1083-1965 precision hexagon head screws, washer faced, B.S.W. and B.S.F. (updated 2026-11)
- [BS 4190 Table 11 — ISO Metric Hexagon Head Screws, Faced](https://www.indfastpro.com/products/screws/bs-4190-table11-iso-metric-hex-screws/): BS 4190-2001 table 11, ISO metric hexagon head screws faced under head only, M6 to (M68): pitch, diameter, across flats and corners, head height, fillet, wash (updated 2026-11)
- [BS 916 Hexagon Head Screws with B.S. Threads (1953, Table](https://www.indfastpro.com/products/screws/bs-916-1953-hex-screws-bs-threads/): BS 916-1953 table 1 hexagon head screws with British Standard threads: threads per inch, across flats and corners, fillet radius and head height across the B. (updated 2026-11)
- [DIN 34827 Hexalobular Socket Set Screws — IndFastPro](https://www.indfastpro.com/products/screws/din-34827-2016-hexalobular-socket-set-screws/): DIN 34827-2016 hexalobular socket set screws, M3 to M24: hexalobular socket number, socket depth t min/max per size — the Torx-compatible set screw identity. (updated 2026-11)
- [IS 1364 Part 2 Hexagon Head Screws (M1.6-M64)](https://www.indfastpro.com/products/screws/is-1364-2-2002-hex-screws/): IS 1364-2002 part 2 hexagon head screws, M1.6 to M64: pitch, runout, head shear, bearing face, across flats and corners, head height and fillet ladders — the  (updated 2026-11)
- [Bolt Clearance Hole Sizes, Inch (ASME B18.2.8) — Normal](https://www.indfastpro.com/products/screws/clearance-hole-chart-inch-asme-b18-2-8/): ASME B18.2.8 clearance hole chart for inch fasteners: normal, close and loose fit classes with nominal drill size and hole diameter min/max per screw size fro (updated 2026-11)
- [Metric Clearance Hole Sizes (ASME B18.2.8) — Close](https://www.indfastpro.com/products/screws/metric-clearance-hole-chart-close-normal-loose/): Metric clearance hole chart M1.6 to M100: close, normal and loose fit classes with nominal drill size and hole diameter min/max per thread size — the metric s (updated 2026-11)
- [Woodruff Key Sizes (Inch Series) — IndFastPro](https://www.indfastpro.com/products/screws/woodruff-key-sizes-inch/): Inch woodruff key ladder by key number (202 through 2825-class): W x B section, bore fit F, key height C max/min and height-above-shaft E — the half-round key (updated 2026-11)
- [Thread and Bearing Friction Coefficient Ranges by Surface](https://www.indfastpro.com/products/screws/bolt-friction-coefficient-ranges-vdi-2230/): VDI 2230 part 1 friction ranges for bolted joints: μG (thread) and μK (bearing) bands from 0.04 to ≥0.30 mapped to surface material/coating families and lubri (updated 2026-11)
- [Screw/Nut and Thrust-Collar Friction Coefficients](https://www.indfastpro.com/products/screws/screw-nut-collar-friction-coefficients/): Friction coefficients f for screw/nut material pairs (steel, bronze, brass, cast iron; dry and machine-oil) and thrust-collar friction fc running/starting for (updated 2026-11)
- [ANSI/ASME B18.6.1 Wood Screws (Inch Series) — IndFastPro](https://www.indfastpro.com/products/screws/ansi-b18-6-1-wood-screws-inch/): Wood screws to ANSI/ASME B18.6.1, inch series #0–#24 — gimlet-point thread-forming screws in flat, round and oval head patterns, with the collected per-size t (updated 2026-11)
- [ASME B18.6.3 Slotted Hex Head Machine Screws (Inch](https://www.indfastpro.com/products/screws/asme-b18-6-3-slotted-hex-head-machine-screws/): Slotted hex head machine screws to ASME B18.6.3, inch series #4–3/8 — the machine-screw body with a hex head you can also drive from the slot, with the collec (updated 2026-11)
- [DIN 318 Wing Screws, Edged Wings (American Form)](https://www.indfastpro.com/products/screws/din-318-wing-screws-edged-wings/): DIN 318 wing screws with edged wings, American form, M4 to M12: wing span, grip and point geometry, the commercial length ladder to 60 mm, and a market-common (updated 2026-11)
- [DIN 561 Set Screws, Small Hexagon, Full Dog Point](https://www.indfastpro.com/products/screws/din-561-set-screws-small-hex-dog-point/): DIN 561 hexagon set screws with small hexagon and full dog point, M6 to M56: pitch, dp, e min, k, reduced s, dog point z and the commercial length ladder to 3 (updated 2026-11)
- [DIN 564 Set Screws, Half Dog Point and Flat Cone Point](https://www.indfastpro.com/products/screws/din-564-set-screws-half-dog-flat-cone/): DIN 564 hexagon set screws with small hexagon, half dog point and flat cone point, M6 to M36: point forms z2/z5, head geometry and the commercial length ladde (updated 2026-11)
- [DIN 7971 Tapping Screws, Slotted Pan Head — IndFastPro](https://www.indfastpro.com/products/screws/din-7971-tapping-screws-slotted-pan-head/): DIN 7971 slotted pan head tapping screws, ST 2.2 to ST 6.3: thread pitch, head and recess geometry, form C/F point reference and the commercial length ladder  (updated 2026-11)
- [DIN 7972 Tapping Screws, Countersunk Slotted Flat Head](https://www.indfastpro.com/products/screws/din-7972-tapping-screws-countersunk-slotted/): DIN 7972 slotted countersunk flat head tapping screws, ST 2.2 to ST 6.3: 90° head geometry, slot dimensions and the commercial length ladder to 38 mm. (updated 2026-11)
- [DIN 7976 Tapping Screws, Hexagon Head — IndFastPro](https://www.indfastpro.com/products/screws/din-7976-tapping-screws-hexagon-head/): DIN 7976 hexagon head tapping screws, ST 2.2 to ST 8: wrench-flat head geometry, type C/F point references and the commercial length ladder to 50 mm. (updated 2026-11)
- [DIN 968 Tapping Screws, Cross Recessed Pan Head with](https://www.indfastpro.com/products/screws/din-968-tapping-screws-pan-head-collar/): DIN 968 cross recessed pan head tapping screws with washer collar, ST 2.9 to ST 6.3: collar and head geometry, cross recess data and the commercial length lad (updated 2026-11)
- [DIN 7995 Cross Recessed Raised Countersunk Head Wood](https://www.indfastpro.com/products/screws/din-7995-cross-recessed-raised-csk-wood-screws/): DIN 7995 cross recessed raised countersunk head wood screws, No. 2 to No. (updated 2026-11)
- [DIN 7996 Cross Recessed Pan Head Wood Screws](https://www.indfastpro.com/products/screws/din-7996-cross-recessed-pan-head-wood-screws/): DIN 7996 cross recessed pan head wood screws, No. 2 to No. 8: shank and head geometry, type H/Zi recess depths and the commercial length ladder to 80 mm. (updated 2026-11)
- [DIN 7997 Cross Recessed Countersunk Flat Head Wood](https://www.indfastpro.com/products/screws/din-7997-cross-recessed-csk-wood-screws/): DIN 7997 cross recessed countersunk flat head wood screws, No. 2 to No. (updated 2026-11)
- [Open-End Blind Rivets (DIN 7337 / ISO 15977)](https://www.indfastpro.com/products/rivets/open-end-blind-rivets/): Open-end blind rivets per DIN 7337 / ISO 15977 — dome, countersunk and large flange heads, aluminum, steel and stainless bodies with steel or stainless mandre (updated 2026-11)
- [Closed-End Blind Rivets — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/rivets/closed-end-blind-rivets/): Closed-end blind rivets — the sealed-body variant of the break-mandrel blind rivet. (updated 2026-11)
- [Structural Blind Rivets — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/rivets/structural-blind-rivets/): Structural blind rivets — high-strength break-mandrel rivets with mechanically locked mandrels, engineered for higher shear and tensile strength and vibration (updated 2026-11)
- [Rivet Nuts (Blind Threaded Inserts) — IndFastPro](https://www.indfastpro.com/products/rivets/rivet-nuts/): Rivet nuts — blind internally threaded inserts that create a reusable load-bearing thread in thin sheet from 0.5 to 6.0 mm. (updated 2026-11)
- [DIN 660 Round Head Solid Rivets — IndFastPro](https://www.indfastpro.com/products/rivets/din-660-round-head-solid-rivet/): Round head solid rivets per DIN 660 (ISO 1051B equivalent) — M2 to M6 diameters, lengths to 40 mm, driven from both sides by deforming the protruding shank in (updated 2026-11)
- [DIN 661 Countersunk Solid Rivets — IndFastPro](https://www.indfastpro.com/products/rivets/din-661-countersunk-solid-rivet/): Flat countersunk head solid rivets per DIN 661 (ISO 1051A equivalent) — M2.5 to M6, lengths to 40 mm, the flush-finished member of the solid rivet line. (updated 2026-11)
- [DIN 7340 Tubular Rivets — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/rivets/din-7340-tubular-rivet/): Tubular rivets per DIN 7340 — hollow-ended shanks d1 1 to 10 mm with wall thickness s 0.2–1 mm, head diameters d2 1.6–15 mm, lengths to 60 mm in the collected (updated 2026-11)
- [Flat Head Round Body Open-End Rivet Nuts — IndFastPro](https://www.indfastpro.com/products/rivets/rivet-nut-flat-head-round-body-open-end/): The baseline rivet nut configuration: flat (normal) head, round body, open end — set from one side into a plain round hole to leave a reusable load-bearing th (updated 2026-11)
- [Closed-End Rivet Nuts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/rivets/rivet-nut-closed-end/): Closed-end rivet nuts seal the thread from the blind side: the body end is closed before setting, so fluid and dust cannot reach the screw through the insert. (updated 2026-11)
- [Countersunk Head Rivet Nuts — IndFastPro | Specifications](https://www.indfastpro.com/products/rivets/rivet-nut-countersunk-head/): Countersunk head rivet nuts seat into a 90° countersunk hole and finish flush with the sheet — for sliding mating parts, packaging surfaces and any face that  (updated 2026-11)
- [Full Hex Body Rivet Nuts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/rivets/rivet-nut-full-hex-body/): Full hex body rivet nuts key six flats into a pre-formed hexagonal hole for maximum spin-out resistance — the structural end of the rivet nut family. (updated 2026-11)
- [Half-Hex Body Rivet Nuts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/rivets/rivet-nut-half-hex-body/): Half-hex body rivet nuts: hex flats on a compact body for strong anti-rotation without the full hex hole — the collected manufacturer line names them (updated 2026-11)
- [Knurled Round Body Rivet Nuts (Thin-Wall / Low-Profile)](https://www.indfastpro.com/products/rivets/rivet-nut-knurled-round-body/): Knurled round body rivet nuts add circumferential bite to the plain round hole — the collected manufacturer line names them ideal for softer materials like al (updated 2026-11)
- [High-Strength Rivet Nuts (Class 10 / Grade 8)](https://www.indfastpro.com/products/rivets/high-strength-rivet-nuts/): High-strength rivet nuts rated for Class 10 / Grade 8 thread proof load: higher-strength steel bodies that let Class 10.9 metric and Grade 8 imperial bolts be (updated 2026-11)
- [Multi-Grip Blind Rivets — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/rivets/multi-grip-blind-rivets/): Multi-grip blind rivets — the wide-grip-range variant whose body expands through setting to compensate for imperfect drilling. (updated 2026-11)
- [Peel Blind Rivets — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/rivets/peel-blind-rivets/): Peel blind rivets — the soft-material variant whose body splits into four legs and spreads the set load over a large blind-side footprint. (updated 2026-11)
- [Tri-Fold Blind Rivets — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/rivets/triform-blind-rivets/): Tri-fold (triform) blind rivets — all-aluminium bodies that split into three legs on setting, giving a large blind-side bearing surface, a wide clamping range (updated 2026-11)
- [Hammer-Drive Blind Rivets — IndFastPro | Specifications &](https://www.indfastpro.com/products/rivets/hammer-drive-blind-rivets/): Hammer-drive blind rivets — set by hammering the mandrel head, no rivet gun needed. (updated 2026-11)
- [Grooved Blind Rivets — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/rivets/grooved-blind-rivets/): Grooved blind rivets — a fully grooved body whose reversed grooves hook the interior surfaces of the assembly on setting. (updated 2026-11)
- [Knurled Blind Rivets (Electrical Earthing) — IndFastPro](https://www.indfastpro.com/products/rivets/knurled-blind-rivets-earthing/): Knurled blind rivets — conical notches that lift the paint or plating on the sheets as they set, cutting through the finish to bond the joint electrically. (updated 2026-11)
- [High-Strength Blind Rivets for Thin & Fragile Materials](https://www.indfastpro.com/products/rivets/high-strength-thin-material-blind-rivets/): High-strength blind rivets for thin and fragile materials — a large bearing surface on the blind side lets them bite into sheet metal and composites while com (updated 2026-11)
- [Semi-Tubular Rivets — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/rivets/semi-tubular-rivets/): Semi-tubular rivets — solid rivets with a partial hole at the tail that cuts the setting force to about a quarter of a solid rivet of the same size. (updated 2026-11)
- [Self-Piercing Rivets (SPR) — IndFastPro | Specifications &](https://www.indfastpro.com/products/rivets/self-piercing-rivets/): Self-piercing rivets — semi-hollow rivets driven by a press through the top sheet without a pre-drilled hole, the die flaring the tail into the bottom sheet f (updated 2026-11)
- [Hardened Steel Self-Piercing Rivets — IndFastPro](https://www.indfastpro.com/products/rivets/self-piercing-rivets-hardened-steel/): Hardened steel SPR — the piercing side of the selection: high-carbon and boron-treated steel rivets cold-formed and heat-treated to a hardness window that mus (updated 2026-11)
- [Self-Piercing Rivets — Inch Work-Thickness Series](https://www.indfastpro.com/products/rivets/self-piercing-rivets-inch-series/): Self-piercing rivets sized in inch diameters against total work thickness: 1/8 in (hardened and unhardened), 9/64, 5/32 and 3/16 in hardened lines stepping fr (updated 2026-11)
- [Commercial Solid Rivets (Inch Series, Per-Head-Type)](https://www.indfastpro.com/products/rivets/commercial-solid-rivets-inch/): Commercial solid rivets, inch series body 1/16–1 in — one-piece rivets driven with a hammer or press, tabulated per head style: round, flat/nail, truss, unive (updated 2026-11)
- [Aerospace Solid Rivets (MS / AN / NAS Series)](https://www.indfastpro.com/products/rivets/aerospace-solid-rivets-ms-an-series/): Aerospace solid rivets in the MIL-spec series — MS20426/MS20427 countersunk, MS20435/AN430 round, AN441/AN442 flat, AN455/AN456 brazier, MS20470/MS20613 unive (updated 2026-11)
- [DIN 7338 Rivets for Brake and Clutch Linings](https://www.indfastpro.com/products/rivets/din-7338-brake-clutch-rivets/): DIN 7338 rivets for brake and clutch linings, shank d1 3–10 mm — the countersunk-head solid rivet with a reduced shoulder shank that seats the friction lining (updated 2026-11)
- [DIN 674 Flat Round Head Rivets — IndFastPro](https://www.indfastpro.com/products/rivets/din-674-flat-round-head-rivets/): DIN 674 flat round head solid rivets, nominal d1 1,4–6 mm — the small-series dome-head solid rivet for sheet and light fabrication, with the collected head di (updated 2026-11)
- [Solid Rivet Head Dimensions by Head Type — IndFastPro](https://www.indfastpro.com/products/rivets/riveted-joint-solid-rivet-head-dimensions/): Cold-driven solid rivet head geometry per head type across two shank ladders — snap, universal, 60° countersunk/raised countersunk, 90° countersunk and flat h (updated 2026-11)
- [DIN EN ISO 16583 Open End Blind Rivets, Countersunk Head](https://www.indfastpro.com/products/rivets/din-en-iso-16583-blind-rivets-csk/): DIN EN ISO 16583-2003 open end blind rivets with break pull mandrel and countersunk head, Cu/St or Cu/Br or Cu/SSt: shank and head diameters, head height, man (updated 2026-11)
- [DIN 302 Countersunk Head Rivets — IndFastPro](https://www.indfastpro.com/products/rivets/din-302-countersunk-head-rivets/): DIN 302 countersunk head solid rivets, d1 10 to 36: 2011 and superseded 1993 editions with head geometry, and the commercial-length mass ladders to 160 mm. (updated 2026-11)
- [DIN 662 Mushroom Head Rivets — IndFastPro | Specifications](https://www.indfastpro.com/products/rivets/din-662-mushroom-head-rivets/): DIN 662 mushroom head solid rivets, d1 1.6 to 6: 2011 and 1993 editions with head geometry, and the commercial-length mass ladder from 3 to 20 mm. (updated 2026-11)
- [DIN 6791 Semi-Tubular Pan Head Rivets — IndFastPro](https://www.indfastpro.com/products/rivets/din-6791-semi-tubular-pan-head-rivets/): DIN 6791 semi-tubular pan head rivets, d 1.6 to 10: head geometry with js14/H13 tolerances, cavity depth, and the commercial-length mass ladder to 50 mm. (updated 2026-11)
- [DIN 6792 Semi-Tubular Countersunk Head Rivets](https://www.indfastpro.com/products/rivets/din-6792-semi-tubular-countersunk-rivets/): DIN 6792 semi-tubular countersunk head rivets, d1 1.6 to 10: flush head geometry with js14/H13 tolerances and the commercial-length mass ladder to 50 mm. (updated 2026-11)
- [DIN 7331 Compression Rivets — IndFastPro | Specifications](https://www.indfastpro.com/products/rivets/din-7331-compression-rivets/): DIN 7331 compression rivets, d1 2 to 6: rivet and die-side geometry (d2, d3, d4, k, l2), plus the hole diameter and clamping length reference table. (updated 2026-11)
- [DIN 7339 Hollow Rivets, One Piece, Drawn from Strip](https://www.indfastpro.com/products/rivets/din-7339-hollow-rivets-one-piece/): DIN 7339 one-piece hollow rivets drawn from strip, d1 1.5 to 6: body and bore geometry with ±10% wall tolerance, and the commercial-length mass ladder to 20 mm. (updated 2026-11)
- [DIN 7 / ISO 2338 Parallel Dowel Pins — IndFastPro](https://www.indfastpro.com/products/pins/din-7-iso-2338-parallel-dowel-pins/): Parallel dowel pins per DIN 7 / ISO 2338 — solid cylindrical pins with chamfered ends, d m6 nominal series 1–20 mm, tolerance classes m6 and h6, steel propert (updated 2026-11)
- [DIN 1481 / ISO 8752 Slotted Spring Pins (Heavy Type)](https://www.indfastpro.com/products/pins/din-1481-iso-8752-slotted-spring-pins/): Straight slotted spring pins (roll pins) per DIN 1481 / ISO 8752, heavy type — hollow pins split along the full length, spring-loaded against the bore. (updated 2026-11)
- [DIN 94 / ISO 1234 Split Cotter Pins — IndFastPro](https://www.indfastpro.com/products/pins/din-94-iso-1234-split-cotter-pins/): Split cotter pins per DIN 94 / ISO 1234 — the paired-prong retaining clip slotted through a drilled fastener and bent back, nominal sizes M0.6 through M20 in  (updated 2026-11)
- [DIN 1470 Grooved Pins (Full-Length Parallel Grooved, with](https://www.indfastpro.com/products/pins/din-1470-grooved-pins-parallel-with-pilot/): Grooved pins per DIN 1470 — solid pins with three parallel press-in grooves running the full length, with pilot end, nominal diameters 1.5 to 25 mm in the col (updated 2026-11)
- [DIN 1 / ISO 2339 Taper Pins (Round End) — IndFastPro](https://www.indfastpro.com/products/pins/din-1-iso-2339-taper-pins/): Taper pins with round end per DIN 1 / ISO 2339 — nominal diameters 0.6 to 50 mm in the collected tables with h10 diameter tolerance (max = nominal), minimum d (updated 2026-11)
- [DIN 6325 Hardened Parallel Pins (Round End, Through](https://www.indfastpro.com/products/pins/din-6325-hardened-parallel-pins/): Through-hardened parallel pins with round end per DIN 6325, type A — nominal diameters 0.8 to 20 mm in the collected table with oversize tolerance bands (max  (updated 2026-11)
- [ISO 8734 Parallel Dowel Pins (m6, Through Hardened)](https://www.indfastpro.com/products/pins/iso-8734-parallel-dowel-pins/): Through-hardened dowel pins per ISO 8734, type A — nominal diameters 1 to 20 mm at m6 tolerance in the collected table (max +0.008 to +0.021 over nominal) wit (updated 2026-11)
- [ISO 8750 Coiled Spring Pins (Standard Duty) — IndFastPro](https://www.indfastpro.com/products/pins/iso-8750-coiled-spring-pins/): Coiled spring-type straight pins per ISO 8750, standard duty — nominal diameters 0.8 to 20 mm in the collected table with before-installation diameter bands ( (updated 2026-11)
- [DIN 7979D Pull Dowels (Parallel Pins with Internal Thread](https://www.indfastpro.com/products/pins/din-7979d-pull-dowels-internal-thread/): Hardened parallel pins with internal thread per DIN 7979D, type D — nominal diameters 6 to 80 mm at m6 tolerance in the collected table, each with its matchin (updated 2026-11)
- [DIN 7978 Taper Pins with Internal Thread (Type A)](https://www.indfastpro.com/products/pins/din-7978-taper-pins-internal-thread/): Taper pins with internal thread per DIN 7978, type A — nominal diameters 6 to 50 mm at h10 in the collected table, each with its internal puller thread (M4 at (updated 2026-11)
- [ANSI B18.8.2 Slotted Spring Pins (Imperial) — IndFastPro](https://www.indfastpro.com/products/pins/ansi-b18-8-2-slotted-spring-pins/): Imperial slotted spring pins per ANSI B18.8.2 — spring pins from 1/16 to 3/4 inch nominal in the collected table with diameter bands, slot width c, wall h, th (updated 2026-11)
- [DIN 1471 Grooved Pins, Full Length Taper Grooved](https://www.indfastpro.com/products/pins/din-1471-grooved-pins-full-length-taper-grooved/): DIN 1471 grooved pins with a full-length taper groove, Φ1.5 to Φ25 — the press-in pin that locks by groove-edge interference instead of hole precision — with  (updated 2026-11)
- [DIN 7343 Coiled Spring Pins (Light Duty) — IndFastPro](https://www.indfastpro.com/products/pins/din-7343-coiled-spring-pins/): DIN 7343 spring-type straight pins, coiled light-duty series, Φ0.8 to Φ16 — the 2¼-turn coiled pin that springs against the hole to take shear in drilled shee (updated 2026-11)
- [DIN 7346 Spring Pins (Heavy Series) — IndFastPro](https://www.indfastpro.com/products/pins/din-7346-spring-pins-heavy/): DIN 7346 spring-type straight pins, heavy series, Φ2 to Φ50 — the thick-walled spring pin for shear-loaded drilled joints — with the full collected 27-size ta (updated 2026-11)
- [DIN 1469 Grooved Pins, Half Length Grooved with Gorge](https://www.indfastpro.com/products/pins/din-1469-grooved-pins-half-length-grooved-with-gorge/): DIN 1469 grooved pins, half length grooved with gorge, Φ2 to Φ25 in three tabulated groove forms — with the full collected 13-size table: diameter limits, gro (updated 2026-11)
- [DIN 1472 Grooved Pins, Half Length Taper Grooved](https://www.indfastpro.com/products/pins/din-1472-grooved-pins-half-length-taper-grooved/): DIN 1472 grooved pins with a half-length taper groove, Φ1.5 to Φ25 — the axial-retaining wedge groove over half the shank for hinge-side assemblies — with the (updated 2026-11)
- [DIN 1473 Grooved Pins, Full Length Parallel Grooved with](https://www.indfastpro.com/products/pins/din-1473-grooved-pins-full-length-parallel-grooved-chamfer/): DIN 1473 grooved pins, full length parallel grooved with chamfer, Φ0.8 to Φ25 — the shear-oriented three-groove pin that runs the pressed grooves over the who (updated 2026-11)
- [DIN 1474 Grooved Pins, Half Length Reverse-Taper Grooved](https://www.indfastpro.com/products/pins/din-1474-grooved-pins-half-length-reverse-taper-grooved/): DIN 1474 grooved pins with a half-length reverse-taper groove, Φ1.5 to Φ25 — the wedge groove cut against the driving direction for entry-end retention — with (updated 2026-11)
- [DIN 1475 Grooved Pins, One-Third Length Centre Grooved](https://www.indfastpro.com/products/pins/din-1475-grooved-pins-centre-grooved/): DIN 1475 grooved pins with a one-third length centre groove, Φ1.5 to Φ25 — the lock concentrated in the middle of the shank for sandwiched multi-plate joints  (updated 2026-11)
- [DIN 1476 Round Head Grooved Pins — IndFastPro](https://www.indfastpro.com/products/pins/din-1476-round-head-grooved-pins/): DIN 1476 round head grooved pins, Φ1.4 to Φ20 — the three-groove press-fit pin with a formed round head, no separate retaining member needed — with the full c (updated 2026-11)
- [DIN 1477 Grooved Pins with Countersunk Head — IndFastPro](https://www.indfastpro.com/products/pins/din-1477-countersunk-head-grooved-pins/): DIN 1477 grooved pins with countersunk head, Φ1.4 to Φ20 — the three-groove press-fit pin that finishes flush below a 75° countersink — with the full collecte (updated 2026-11)
- [ASME B18.8.5M Hardened Dowel Pins (Metric Series)](https://www.indfastpro.com/products/pins/asme-b18-8-5m-hardened-dowel-pins/): ASME B18.8.5M hardened dowel pins, metric series 3–20 mm — precision-ground, hardened press-fit pins with crowned ends, the inch-standard family's metric coun (updated 2026-11)
- [ASME B18.8.1 Cotter Pins (Inch Series) — IndFastPro](https://www.indfastpro.com/products/pins/asme-b18-8-1-cotter-pins/): ASME B18.8.1 cotter pins (split cotter pins), inch series 1/32 – 3/4 in — the two-prong wire retainer for clevis and slotted-nut assemblies, with the collecte (updated 2026-11)
- [ASME B18.8.2 Hardened Ground Machine Dowel Pins (Inch](https://www.indfastpro.com/products/pins/asme-b18-8-2-hardened-dowel-pins-inch/): ASME B18.8.2 hardened ground machine dowel pins, inch series 1/16 – 1 in — precision press-fit locating pins in standard series (basic 0.0002 in over nominal) (updated 2026-11)
- [ASME B18.8.1 Clevis Pins (Inch Series) — IndFastPro](https://www.indfastpro.com/products/pins/asme-b18-8-1-clevis-pins-inch/): ASME B18.8.1 clevis pins, inch series 3/16 – 1 in — the single-shear hinge pin with a low flat head, cotter hole and chamfered point, with the collected per-s (updated 2026-11)
- [ISO 2341 Clevis Pins (Metric) — IndFastPro](https://www.indfastpro.com/products/pins/iso-2341-clevis-pins-metric/): ISO 2341 clevis pins, metric shank 3 – 100 mm — the single-shear hinge pin with a low flat head, cotter hole and chamfered point in the metric series, with th (updated 2026-11)
- [DIN 258 Taper Pins with External Thread — IndFastPro](https://www.indfastpro.com/products/pins/din-258-taper-pins-external-thread/): DIN 258 taper pins with external thread, nominal d 5–20 mm — the driven taper pin that carries a machined shoulder, a male stud thread (M5–M16) and a minimum  (updated 2026-11)
- [DIN 7977 Taper Pins with External Thread — IndFastPro](https://www.indfastpro.com/products/pins/din-7977-taper-pins-external-thread/): DIN 7977 taper pins with external thread (ISO 8737), nominal d 5–20 mm — the taper pin with a male stud thread cut directly onto the large end, for assemblies (updated 2026-11)
- [DIN 1443 Clevis Pins without Head — IndFastPro](https://www.indfastpro.com/products/pins/din-1443-clevis-pins-without-head/): DIN 1443 clevis pins without head (ISO 2340), shank d 4–90 mm — the headless clevis pin retained between two ears with a cotter through the cross-hole, with t (updated 2026-11)
- [DIN 1445 Clevis Pins with Head and Stud End — IndFastPro](https://www.indfastpro.com/products/pins/din-1445-clevis-pins-with-head-stud-end/): DIN 1445 clevis pins with head and stud end, shank d1 8–100 mm — the clevis pin that threads into the joint: flat head plus male stud thread (M6–M64) replacin (updated 2026-11)
- [DIN 71752 Fork Joints — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/pins/din-71752-fork-joints/): DIN 71752 fork joints (clevis forks), pin-hole d1 4–16 mm — the internally threaded fork body that pairs with a clevis pin to make an adjustable rod-end joint (updated 2026-11)
- [ISO 2340 Clevis Pins Without Head — IndFastPro](https://www.indfastpro.com/products/pins/iso-2340-clevis-pins-without-head/): ISO 2340 headless clevis pins — d h11 4 to 90 with cotter hole d1 H13, the plain-ended pin retained by a cotter in fork (clevis) joints, with the collected d1 (updated 2026-11)
- [ISO 8741 Grooved Pins (Full-Length Parallel Type)](https://www.indfastpro.com/products/pins/iso-8741-grooved-pins-full-length-parallel-type/): ISO 8741 grooved pins, full-length parallel grooves — d1 1,5 to 25 with three parallel grooves pressed full length, the drive-in, threadless pin for slip-fit  (updated 2026-11)
- [ISO 8733 Parallel Pins with Internal Thread — IndFastPro](https://www.indfastpro.com/products/pins/iso-8733-parallel-pins-with-internal-thread/): ISO 8733 parallel pins with internal thread, d1 m6 6 to 50 — the extractable precision dowel for large diameters, with the collected c1/c2/d2/P/d3/t1/t2/t3 at (updated 2026-11)
- [ISO 8748 Spiral Dowel Pins, Heavy Duty — IndFastPro](https://www.indfastpro.com/products/pins/iso-8748-spiral-dowel-pins-heavy-duty/): ISO 8748 heavy-duty spiral (coiled) spring dowel pins d1 1,5 to 20 — the rolled, compressible shear pin with double-duty shear strength rows a/b per diameter, (updated 2026-11)
- [ISO 8735 Parallel Pins with Internal Thread — IndFastPro](https://www.indfastpro.com/products/pins/iso-8735-parallel-pins-internal-thread/): ISO 8735 parallel pins with internal thread, d m6 6 to 20 — the extractable dowel pin for large diameters, with the collected d2/f1/f2/t thread-geometry rows  (updated 2026-11)
- [ISO 8736 Taper Pins with Internal Thread — IndFastPro](https://www.indfastpro.com/products/pins/iso-8736-taper-pins-internal-thread/): ISO 8736 taper pins with internal thread d 6 to 20 — the taper-locked pin you can still extract from a blind hole, with the collected d2/t/f thread rows. (updated 2026-11)
- [ISO 8737 Taper Pins with External Thread — IndFastPro](https://www.indfastpro.com/products/pins/iso-8737-taper-pins-external-thread/): ISO 8737 taper pins with external thread d 5 to 20 — the nut-end taper pin with a pullable threaded boss, with the collected d2/d3/b/L2 rows. (updated 2026-11)
- [ISO 8740 Cylindrical Grooved Pins — IndFastPro](https://www.indfastpro.com/products/pins/iso-8740-grooved-pins-cylindrical/): ISO 8740 cylindrical grooved pins, d1 1,5 to 25 with the c1/c2 edge rows — the full-length parallel-grooved press-in pin tabulated with chamfer and edge dista (updated 2026-11)
- [ISO 8742 Grooved Pins, Third-Length Centre-Grooved](https://www.indfastpro.com/products/pins/iso-8742-grooved-pins-third-length-centre-grooved/): ISO 8742 third-length centre-grooved pins, d1 1,5 to 25 over a 32-length ladder (l 8 to 200) — the grooved pin whose grooves occupy only the middle third, for (updated 2026-11)
- [ISO 8744 Grooved Pins, Full-Length Taper-Grooved](https://www.indfastpro.com/products/pins/iso-8744-grooved-pins-full-length-taper-grooved/): ISO 8744 full-length taper-grooved pins, d1 1,5 to 25 over a 32-length ladder (l 8 to 200) — grooves that deepen toward one end, giving a wedged drive-in for  (updated 2026-11)
- [ISO 8745 Parallel Grooved Pins — IndFastPro](https://www.indfastpro.com/products/pins/iso-8745-grooved-pins-parallel/): ISO 8745 parallel grooved pins, d1 1,5 to 25 over a 32-length ladder (l 8 to 200) — the separate parallel-grooved designation, with two verbatim source quirks (updated 2026-11)
- [ISO 8746 Round Head Grooved Pins — IndFastPro](https://www.indfastpro.com/products/pins/iso-8746-grooved-pins-round-head/): ISO 8746 round-head grooved pins, d1 1,4 to 20 — the grooved pin with a button head, tabulated with full head geometry (dk, k, r, c) over a 13-length groove l (updated 2026-11)
- [ISO 8747 Countersunk Head Grooved Pins — IndFastPro](https://www.indfastpro.com/products/pins/iso-8747-grooved-pins-countersunk-head/): ISO 8747 countersunk-head grooved pins, d1 1,4 to 20 — the flush-mounted grooved pin, tabulated with dk and c head rows over a 13-length groove ladder (l 3 to (updated 2026-11)
- [Coiled Spring Pins (Inch Series) — IndFastPro](https://www.indfastpro.com/products/pins/coiled-spring-pins-inch/): Inch-series coiled spring pins by nominal size 1/32 to beyond 1/2 in: pin diameter max/min for standard, heavy and light duty, chamfer diameter and length, an
- [Standard Unhardened Ground Dowel Pins (ANSI/ASME](https://www.indfastpro.com/products/pins/unhardened-ground-dowel-pins/): Unhardened ground dowel pins per ANSI/ASME B18.8.2, 1/16 to 1 in: pin diameter max/min, chamfer length, suggested hole diameter and minimum double shear load 
- [DIN 1444 Clevis Pins with Head — IndFastPro](https://www.indfastpro.com/products/pins/din-1444-clevis-pins-with-head/): DIN 1444 clevis pins with head, d 3 to 100: head and cotter geometry (dk, k, e, c, d1, le min) and the commercial length ladders to 200 mm with mass tables. (updated 2026-11)
- [DIN 7344 Coiled Spring Pins, Heavy Duty — IndFastPro](https://www.indfastpro.com/products/pins/din-7344-coiled-spring-pins-heavy-duty/): DIN 7344 heavy-duty coiled spring pins, Ø1.5 to Ø6: pin diameters with tolerances, hole sizes, chamfer, single and double shear strength rows, and the length  (updated 2026-11)
- [Series CFE & CFEO Self-Locking Self-Clinching Nuts](https://www.indfastpro.com/products/self-clinching/cfe-cfeo-self-locking-self-clinching-nuts/): Self-locking self-clinching nuts, Series CFE & CFEO — 300 series stainless steel clinch nuts with internally threaded 3B / 6H classes, black dry-film (updated 2026-11)
- [Series CFEX & CFEOX Non-Locking Self-Clinching Nuts](https://www.indfastpro.com/products/self-clinching/cfex-cfeox-non-locking-self-clinching-nuts/): Non-locking self-clinching nuts, Series CFEX & CFEOX — 300 series stainless steel clinch nuts with passivated finish per ASTM A380, internal 2B / 6H thread (updated 2026-11)
- [Series S / CLS / SP Self-Clinching Nuts — IndFastPro](https://www.indfastpro.com/products/self-clinching/s-cls-sp-self-clinching-nuts/): The standard self-clinching nut series — S in zinc-plated steel for steel or aluminium sheets, CLS in stainless for softer steel or aluminium, SP in hardened  (updated 2026-11)
- [Series SH Hard Panel Self-Clinching Nuts — IndFastPro](https://www.indfastpro.com/products/self-clinching/sh-hard-panel-self-clinching-nuts/): Hardened alloy-steel self-clinching nuts for high-strength steel panels up to 975 MPa tensile strength — a hardened nut body that keeps the installed thread s (updated 2026-11)
- [Series SMPS / SMPP Thin-Sheet Self-Clinching Nuts](https://www.indfastpro.com/products/self-clinching/smps-smpp-thin-sheet-self-clinching-nuts/): Reduced-outer-diameter clinch nuts for sheets as thin as 0.64 mm — SMPS in steel for steel or aluminium panels, SMPP in stainless for stainless sheets — in mi (updated 2026-11)
- [FH & FHS Self-Clinching Threaded Studs — IndFastPro](https://www.indfastpro.com/products/self-clinching/fh-fhs-self-clinching-studs/): Self-clinching threaded studs, FH (carbon steel) and FHS (stainless steel) — permanently mounted external threads for thin sheet, metric M2.5 to M8, with cont (updated 2026-11)
- [SO / SOS / SOA Self-Clinching Through-Hole Standoffs](https://www.indfastpro.com/products/self-clinching/so-sos-soa-through-hole-standoffs/): Through-hole self-clinching standoffs — SO (carbon steel), SOS (stainless steel) and SOA (aluminum) — fixed spacing with a fully through-threaded hole, metric (updated 2026-11)
- [BSO / BSOS / BSOA Self-Clinching Blind Standoffs](https://www.indfastpro.com/products/self-clinching/bso-bsos-bsoa-blind-standoffs/): Blind self-clinching standoffs — BSO (carbon steel), BSOS (stainless steel) and BSOA (aluminum) — fixed spacing with a closed threaded end that controls screw (updated 2026-11)
- [Series CFSO / CFSOS / CFSOA Self-Clinching](https://www.indfastpro.com/products/self-clinching/cfso-cfsos-cfsoa-through-threaded-standoffs/): Through-threaded hex self-clinching standoffs — CFSO heat-treated carbon steel, CFSOS 300-series stainless and CFSOA 7075-T6 aluminum — installed flush in she (updated 2026-11)
- [TCH & TCHS Thin-Sheet Self-Clinching Studs (Non-Flush)](https://www.indfastpro.com/products/self-clinching/tch-tchs-thin-sheet-self-clinching-studs/): Non-flush self-clinching studs for very thin sheet — TCH heat-treated carbon steel and TCHS 300-series stainless — for panels from 0.020 in. (updated 2026-11)
- [PEM RT Free-Running Self-Clinching Locknuts — IndFastPro](https://www.indfastpro.com/products/self-clinching/pem-rt-free-running-locknuts/): Free-running self-clinching locknuts — the screw spins freely until clamp load is applied, and the nut exerts no torsional resistance once that load is remove (updated 2026-11)
- [SL TRI-DENT Prevailing-Torque Self-Clinching Locknuts](https://www.indfastpro.com/products/self-clinching/sl-trident-prevailing-torque-locknuts/): Prevailing-torque self-clinching locknuts with the TRI-DENT locking feature — friction that is essentially the same whether or not axial load is applied, 3-cy (updated 2026-11)
- [H / HNL High Pushout Self-Clinching Nuts — IndFastPro](https://www.indfastpro.com/products/self-clinching/h-hnl-high-pushout-self-clinching-nuts/): High pushout self-clinching nuts — H non-locking and HNL self-locking (prevailing torque) — for steel sheets HRB 80 or less (H) and HRB 60 or less (HNL), with (updated 2026-11)
- [CLA Aluminum Self-Clinching Nuts — IndFastPro](https://www.indfastpro.com/products/self-clinching/cla-aluminum-self-clinching-nuts/): Aluminum self-clinching clinch nuts tabulated in their own geometry table — unified #2-56 to 1/4-20 and metric M2 to M6 — with the heavier shank and larger ho (updated 2026-11)
- [CFBSO Self-Clinching Blind Standoffs (Carbon Steel)](https://www.indfastpro.com/products/self-clinching/cfbso-carbon-steel-blind-standoffs/): Heat-treated carbon-steel blind self-clinching standoff, zinc clear finish — pressed flush into sheets from 0.040 in. (updated 2026-11)
- [CFBSOS Self-Clinching Blind Standoffs (Stainless Steel)](https://www.indfastpro.com/products/self-clinching/cfbsos-stainless-steel-blind-standoffs/): 300-series stainless-steel blind self-clinching standoff, passivated to ASTM A967 — pressed flush into sheets from 0.040 in. (updated 2026-11)
- [CFBSOA Self-Clinching Blind Standoffs (Aluminum)](https://www.indfastpro.com/products/self-clinching/cfbsoa-aluminum-blind-standoffs/): 7075-T6 aluminum blind self-clinching standoff, no finish — pressed flush into soft sheets from 0.040 in. (updated 2026-11)
- [Installing Self-Clinching Standoffs (CFSO / CFBSO Series](https://www.indfastpro.com/products/self-clinching/captive-fastener-installation-guide/): Three-step installation procedure for the self-clinching standoff series — punch or drill the correct-size mounting hole without deburring, enter the pilot en (updated 2026-11)
- [Self-Clinching Nut Dimensions — Inch Series Ladder (#4-40](https://www.indfastpro.com/products/self-clinching/self-clinching-nuts-dimensions-inch/): Head, sheet and installation data for self-clinching nuts across the six-size inch ladder #4-40, #6-32, #8-32, #10-24, #10-32 and 1/4-20 — head diameter, unth (updated 2026-11)
- [Self-Clinching Stud Dimensions — Designation Ladder](https://www.indfastpro.com/products/self-clinching/self-clinching-studs-dimensions-inch/): Shank, sheet and nut data for self-clinching studs by designation — 4-40, 6-32, 8-32, 10-24/10-32 and 1/4-20, each in shank-height variants -0/-1/-2 — with mi (updated 2026-11)
- [DIN 471 External Retaining Rings (for Shafts)](https://www.indfastpro.com/products/retaining-rings/din-471-external-retaining-rings/): Metric external retaining rings to DIN 471 — thin, circular stamped circlips assembled axially into a groove machined on the outside of a shaft, in A2 stainle (updated 2026-11)
- [DIN 472 Internal Retaining Rings (for Bores)](https://www.indfastpro.com/products/retaining-rings/din-472-internal-retaining-rings/): Metric internal retaining rings to DIN 472 — thin, circular stamped circlips assembled axially into a groove machined inside a housing or bore, with a tapered (updated 2026-11)
- [DIN 6799 Retaining Rings for Shafts (E-Clips)](https://www.indfastpro.com/products/retaining-rings/din-6799-e-clips/): E-shaped retaining rings for shafts per DIN 6799 — the small-shaft snap ring that snaps into a shallow groove with pliers, no circlip pliers needed. (updated 2026-11)
- [External Retaining Rings (Imperial, Series 2100-5100)](https://www.indfastpro.com/products/retaining-rings/external-retaining-rings-inch/): Imperial external retaining rings for shafts, series 2100-5100 — stamped rings assembled axially into a groove on the outside of a shaft. (updated 2026-11)
- [Internal Retaining Rings (Imperial, Series 2000-5000)](https://www.indfastpro.com/products/retaining-rings/internal-retaining-rings-inch/): Imperial internal retaining rings for bores, series 2000-5000 — stamped rings assembled axially into a groove machined inside a housing. (updated 2026-11)
- [Crescent Retaining Rings for Shafts (Series 2103–5103)](https://www.indfastpro.com/products/retaining-rings/crescent-retaining-rings-series-2103-5103/): Crescent retaining rings for shafts, series 2103–5103 — the shallow-arc ring that seats in a shallow groove and is inserted with pliers where a full circlip w (updated 2026-11)
- [E-Rings for Shafts, Heavy Duty (Series 2144–5144)](https://www.indfastpro.com/products/retaining-rings/e-rings-heavy-duty-series-2144-5144/): Heavy-duty E-type retaining rings for shafts, series 2144–5144 — three-point contact rings for grooves machined only partway around the shaft — with the colle (updated 2026-11)
- [Heavy Duty External Retaining Rings (Series 2160–5160)](https://www.indfastpro.com/products/retaining-rings/heavy-duty-retaining-rings-series-2160-5160/): Heavy-duty external retaining rings for shafts, series 2160–5160 — thickened circlips for high thrust loads — with the collected 16-size table (rings 50 to 20 (updated 2026-11)
- [External Inverted Retaining Rings — IndFastPro](https://www.indfastpro.com/products/retaining-rings/external-inverted-retaining-rings/): External inverted retaining rings — circlips whose lugs are inverted so the assembly sits flush and needs no groove clearance on the loaded face — with the co (updated 2026-11)
- [External Shaft Rings, Poodle Style — IndFastPro](https://www.indfastpro.com/products/retaining-rings/poodle-style-external-retaining-rings/): Poodle-style external retaining rings for shafts — heavy-arc rings whose looped lug gives a deep plier grip for large shafts — with the collected 11-size tabl (updated 2026-11)
- [DIN 705 Adjusting Rings — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/retaining-rings/din-705-adjusting-rings/): DIN 705 adjusting rings — axially fitted position rings locked by a set screw, grooved pin or taper pin against a shaft, with the collected 49-size table from (updated 2026-11)
- [DIN 984 Internal Retaining Rings with Lugs — IndFastPro](https://www.indfastpro.com/products/retaining-rings/din-984-internal-retaining-rings-with-lugs/): DIN 984 internal retaining rings with lugs, keyed on d3 18,3–79,5 mm — the lug-formed internal circlip whose ladder is tabulated by groove-related diameter wi (updated 2026-11)
- [External Self-Locking Retaining Rings — Thrust Load (Inch](https://www.indfastpro.com/products/retaining-rings/external-self-locking-thrust-load/): External self-locking retaining rings for inch shafts 3/32 to 1 in: ring thickness, ring diameter, groove margin and static thrust load per shaft size — the p (updated 2026-11)
- [Internal Self-Locking Retaining Rings — Thrust Load (Inch](https://www.indfastpro.com/products/retaining-rings/internal-self-locking-thrust-load/): Internal self-locking retaining rings for inch housings 5/16 to 1-1/2 in: ring thickness, ring diameter, margin and static thrust load per housing bore — the  (updated 2026-11)
- [Retaining Ring Thrust Load Capacity (Ring vs Groove)](https://www.indfastpro.com/products/retaining-rings/retaining-ring-thrust-load-capacity/): Inch-series retaining ring thrust capacity ladder, 5/64 to 3/4 in shafts: ring free diameter and thickness, groove diameter/width/margin, and static thrust lo (updated 2026-11)
- [Inconel 718 Fasteners — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/exotic-alloys/inconel-718-fasteners/): Bolts, studs and specialty fasteners in Inconel 718 nickel superalloy — a -423 °F to 900 °F service window and up to 220 ksi room-temperature tensile strength (updated 2026-11)
- [A-286 Fasteners — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/exotic-alloys/a286-fasteners/): A-286 precipitation-hardened austenitic stainless fasteners for aerospace and high-temperature joints — -423 °F to 1200 °F service window and up to 220 ksi te (updated 2026-11)
- [Inconel X-750 Fasteners — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/exotic-alloys/inconel-x750-fasteners/): Inconel X-750 fasteners for sustained high-temperature joints — -320 °F to 1200 °F service window, up to 180 ksi room-temperature tensile strength, and 136 ks (updated 2026-11)
- [ASTM A193 Grade B8M3 (Class 2C) Studs and Bolts](https://www.indfastpro.com/products/exotic-alloys/astm-a193-b8m3-class-2c-studs/): Strain-hardened 316 stainless studs and bolts to ASTM A193 Grade B8M3 Class 2C — 85,000 psi (585 MPa) minimum tensile strength, 60% minimum reduction of area, (updated 2026-11)
- [ASTM A193 Grade B8M Studs and Bolts — IndFastPro](https://www.indfastpro.com/products/exotic-alloys/astm-a193-b8m-studs/): ASTM A193 Grade B8M studs and bolts — the standard 316 stainless grade whose composition the collected datasheet calls identical to B8M3's, and whose fully an (updated 2026-11)
- [Monel K-500 Fasteners — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/exotic-alloys/monel-k500-fasteners/): Monel K-500 nickel-copper fasteners for flowing-seawater service — exceptional seawater corrosion resistance in high-velocity conditions and biofouling resist (updated 2026-11)
- [Titanium Fasteners — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/exotic-alloys/titanium-fasteners/): Titanium fasteners for critical corrosion-critical joints — a -350 °F to 500 °F service window and up to 160 ksi tensile strength in the collected NASA fasten (updated 2026-11)
- [Hastelloy B Fasteners — Thread Stress Areas, Hex](https://www.indfastpro.com/products/exotic-alloys/hastelloy-b-fasteners/): Thread stress areas across the UNC/UNF/8UN inch ladder, hex width and thickness geometry from 1/4 to 2-1/2, and the material identification and property lines (updated 2026-11)
- [Wire Thread Inserts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/threaded-inserts/wire-thread-inserts/): Helical wire thread inserts that create or repair internal threads in metal — installed into an STI-tapped receiving hole so the original screw size is retain (updated 2026-11)
- [Tangless Wire Thread Inserts — IndFastPro | Specifications](https://www.indfastpro.com/products/threaded-inserts/tangless-wire-thread-inserts/): Helical wire inserts without an installation tang — no tang-breakoff step, no loose metal fragments in the assembly; for blind holes, compact housings, precis (updated 2026-11)
- [Self-Tapping Thread Inserts — IndFastPro | Specifications](https://www.indfastpro.com/products/threaded-inserts/self-tapping-thread-inserts/): Solid inserts with external cutting features that cut or form their own thread — M3–M12 reference table of insert OD, length, pilot-hole diameter and depth, w (updated 2026-11)
- [Heavy-Duty Self-Tapping Inserts — IndFastPro](https://www.indfastpro.com/products/threaded-inserts/heavy-duty-self-tapping-inserts/): Self-tapping inserts sized for higher pull-out strength, better torque resistance and stronger wall structure — machine frames, fixture plates, actuator suppo (updated 2026-11)
- [Key-Locking Thread Inserts — IndFastPro | Specifications &](https://www.indfastpro.com/products/threaded-inserts/key-locking-thread-inserts/): Solid inserts with locking keys driven into the parent material after installation — anti-rotation under torque and vibration for thread repair and reinforcem (updated 2026-11)
- [Heat-Set Threaded Inserts — IndFastPro | Specifications &](https://www.indfastpro.com/products/threaded-inserts/heat-set-threaded-inserts/): Brass-standard inserts for thermoplastics and 3D-printed parts — heated press-in installation where the plastic flows around the insert and locks on cooling,  (updated 2026-11)
- [Stainless Steel Threaded Inserts — IndFastPro](https://www.indfastpro.com/products/threaded-inserts/stainless-steel-threaded-inserts/): Threaded inserts in stainless steel for corrosive and washdown service — humid environments, outdoor equipment, laboratory machinery, food-related equipment a (updated 2026-11)
- [Expansion Rivet Nuts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/threaded-inserts/expansion-rivet-nuts/): Riveting nuts that plastically deform to form a tight fit with the base material — simple process, moderate connection strength, suited to height-restricted j (updated 2026-11)
- [ASME B18.29.1 Helicoil (STI) Tapped Hole Chart (Inch](https://www.indfastpro.com/products/threaded-inserts/asme-b18-29-1-helicoil-sti-tap-chart-inch/): ASME B18.29.1 helicoil (STI) tapped-hole chart, inch series — the oversized internal thread a helical coil insert installs into, with the collected per-thread (updated 2026-11)
- [Heli-Coil Insert Length Selection — by Parent-Material and](https://www.indfastpro.com/products/threaded-inserts/heli-coil-insert-length-selection-chart/): The Heli-Coil catalogue selection matrix: insert length in nominal thread diameters, by parent-material ultimate strength (70–350 MPa rows) against screw ulti (updated 2026-11)
- [Threaded Insert Drilling Depth (Metric Threads)](https://www.indfastpro.com/products/threaded-inserts/insert-drilling-depth-metric/): Per-thread drilling data for threaded insert installations in metric sizes M2 through M45 — tap drill diameter, drilled-hole diameter limits, tap minimum oute
- [Threaded Insert Drilling Depth (UNC Threads)](https://www.indfastpro.com/products/threaded-inserts/insert-drilling-depth-unc/): Per-thread drilling data for threaded insert installations in the UNC coarse series from 2-56 through 1/2-13 — tap drill diameter, drilled-hole diameter limit
- [Threaded Insert Drilling Depth (UNF Threads)](https://www.indfastpro.com/products/threaded-inserts/insert-drilling-depth-unf/): Per-thread drilling data for threaded insert installations in the UNF fine series from 2-64 through 1/2-20 — tap drill diameter, drilled-hole diameter limits,
- [Threaded Insert Fitted Height (Metric Threads)](https://www.indfastpro.com/products/threaded-inserts/insert-fitted-metric/): Installed insert fitted height per metric designation M2 through M45 — how far the installed insert stands for engagements from 0.5d to 3d, tabulated against 
- [Threaded Insert Fitted Height (UNC Threads) — IndFastPro](https://www.indfastpro.com/products/threaded-inserts/insert-fitted-unc/): Installed insert fitted height per UNC designation 2-56 through 1/2-13 — the installed insert's reach for engagements from 1d to 3d, on the same drill and tap
- [Threaded Insert Fitted Height (UNF Threads) — IndFastPro](https://www.indfastpro.com/products/threaded-inserts/insert-fitted-unf/): Installed insert fitted height per UNF designation 2-64 through 1/2-20 — the installed insert's reach for engagements from 1d to 3d, on the same drill and tap
- [Threaded Insert Nominal Length (Metric Threads)](https://www.indfastpro.com/products/threaded-inserts/insert-nominal-length-metric/): Insert nominal length per metric designation M2 through M45 — the insert length each engagement from 0.5d to 3d calls for, tabulated on the same drill and tap
- [Hex Bolt Grades Compared: Class 8.8 vs 10.9 vs 12.9 vs](https://www.indfastpro.com/products/bolts/grade-comparison/): Side-by-side comparison of metric and inch hex bolt grades — ISO property classes 8.8, 10.9 and 12.9 versus ASTM A307, F3125 Grade A325 Type 1 and Grade A490:
- [Nut Grade Pairing Compared: Lock, Flange, Jam and Heavy](https://www.indfastpro.com/products/nuts/grade-pairing/): Side-by-side comparison of six nut patterns — DIN 985 nylon-insert, DIN 980 all-metal, DIN 6923 flange, DIN 439 jam, ASME B18.2.2 heavy hex and ASTM A194 2H:
- [Washer Types Compared: DIN 125 vs Fender vs Spring Lock vs](https://www.indfastpro.com/products/washers/type-comparison/): Side-by-side comparison of six washer types — DIN 125 plain, DIN 9021 fender, DIN 127 spring lock, ASTM F436 hardened, USS and SAE flat: primary function,
- [Plain Washer Standards Compared: DIN 125 vs ISO 7089 vs](https://www.indfastpro.com/products/washers/plain-washer-standard-comparison/): Side-by-side comparison of the plain flat washer standard systems — DIN 125, ISO 7089, ISO 7090, DIN 433 and ASME B18.21.1 Type A/B: international counterparts,
- [Blind Rivet Types Compared: Open-End vs Closed-End vs](https://www.indfastpro.com/products/rivets/blind-type-comparison/): Side-by-side comparison of four blind rivet subtypes — open-end, closed-end, multi-grip and structural: sealing behavior, grip-range behavior, strength
- [Pin Types Compared: Parallel Dowel vs Slotted Spring vs](https://www.indfastpro.com/products/pins/type-comparison/): Side-by-side comparison of four industrial pin types — parallel dowel, slotted spring, coiled spring and metric clevis: how the joint is made, hole preparation,
- [Threaded Insert Types Compared: Wire vs Self-Tapping vs](https://www.indfastpro.com/products/threaded-inserts/type-comparison/): Side-by-side comparison of four threaded insert systems — wire (helical), self-tapping, key-locking and heat-set: installation method, parent material, hole
- [Post-Installed Anchors Compared: Concrete Screw vs Wedge](https://www.indfastpro.com/products/anchors/family-comparison/): Side-by-side comparison of five post-installed anchor families — concrete screw, wedge, sleeve, drop-in and chemical adhesive: setting mechanism, base material,
- [Exotic Alloy Grades Compared: A-286 vs Inconel 718 vs](https://www.indfastpro.com/products/exotic-alloys/grade-comparison/): Side-by-side comparison of five exotic-alloy fastener grades — A-286, Inconel 718, Inconel X-750, Monel K-500 and titanium: temperature windows, published
- [Self-Clinching Nut Types Compared: S/CLS/SP vs CLA vs](https://www.indfastpro.com/products/self-clinching/nut-type-comparison/): Side-by-side comparison of eight self-clinching nut series — S/CLS/SP, CLA, SMPS/SMPP, SH, CFE/CFEO, SL TRI-DENT, PEM RT and H/HNL: locking behaviour, thread
- [Hex Bolt vs Socket Head Cap Screw Compared: ISO 4014/4017](https://www.indfastpro.com/products/hex-vs-socket-head/): Side-by-side product comparison of hex bolts and socket head cap screws — ISO 4014 vs 4017 thread extent, DIN 912 vs ISO 4762 designations, wrenching, head
- [Bolts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/bolts/): Bolts are threaded fasteners with a head, available in various grades, materials, and dimensions for industrial and construction applications. (updated 2026-11)
- [Screws — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/screws/): Screws are externally threaded fasteners used to join materials, available in machine, driver, and metric styles with a range of head types, materials (updated 2026-11)
- [Nuts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/nuts/): Hex nuts and locknuts supplied in metric property classes and inch finished-hex dimensions (updated 2026-11)
- [Washers — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/washers/): Flat washers used for load distribution, vibration resistance, and surface protection in fastener assemblies. (updated 2026-11)
- [Rivets — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/rivets/): Blind rivets available in aluminum, copper, steel and stainless steel with dome, countersunk, large and extra large head options (updated 2026-11)
- [Anchors — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/anchors/): L-shape anchor bolts (bent anchor bolts) available in a range of diameters and lengths with specified hook and thread lengths, including F1554 Grade 36, 55 (updated 2026-11)
- [Surface Finishes & Coatings — IndFastPro | Specifications](https://www.indfastpro.com/products/surface-finishes/): A comparison of common steel fastener finishes including zinc flake, phosphate & oil, cadmium electroplate, and zinc electroplate (updated 2026-11)
- [Pins — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/pins/): Metric pins: DIN 7 / ISO 2338 parallel dowel pins (d m6 1-20 mm) and DIN 1481 / ISO 8752 slotted spring pins, heavy type (D1 1.2-13.5 mm) (updated 2026-11)
- [Self-Clinching Fasteners — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/self-clinching/): CFE self-clinching fasteners are designed to provide strong threads in a minimum of space. (updated 2026-11)
- [Retaining Rings — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/retaining-rings/): Metric DIN 471 external and DIN 472 internal retaining rings (circlips) are thin, circular, metal stampings used to prevent movement between mating components (updated 2026-11)
- [Exotic Alloy & High-Temperature Fasteners — IndFastPro](https://www.indfastpro.com/products/exotic-alloys/): A range of exotic alloy and high-temperature fasteners for demanding industries, with technical guidance on hydrogen embrittlement across aerospace (updated 2026-11)
- [Threaded Inserts — IndFastPro | Specifications & RFQ](https://www.indfastpro.com/products/threaded-inserts/): Mechanical fastening components installed into a prepared hole to provide strong, reusable internal threads in soft, thin (updated 2026-11)
- [Threaded Fasteners & Washers — Products · IndFastPro](https://www.indfastpro.com/products/category/threaded-fasteners/): Bolted-joint families: bolts, screws and nuts with their mating washers, to DIN, ISO, JIS, ANSI/ASME and ASTM grades. (updated 2026-11)
- [Rivets — Products · IndFastPro](https://www.indfastpro.com/products/category/rivets/): Non-threaded permanent fastening — blind (pop), solid and structural rivets. (updated 2026-11)
- [Anchors — Products · IndFastPro](https://www.indfastpro.com/products/category/anchors/): Concrete and masonry anchors to ASTM F1554 (Grades 36, 55 and 105). (updated 2026-11)
- [Surface Finishes & Coatings — Products · IndFastPro](https://www.indfastpro.com/products/category/surface-finishes/): Zinc electroplate, hot-dip galvanizing, zinc-nickel, zinc-flake (Dacromet/Geomet) and PTFE post-treatment, carried with fastener orders. (updated 2026-11)
- [Pins — Products · IndFastPro](https://www.indfastpro.com/products/category/pins/): Non-threaded locating and fastening pins — DIN 7 / ISO 2338 parallel dowel pins and DIN 1481 / ISO 8752 straight slotted spring pins (heavy type). (updated 2026-11)
- [Self-Clinching Fasteners — Products · IndFastPro](https://www.indfastpro.com/products/category/self-clinching/): PEM-style self-clinching hardware for thin sheet — self-locking and non-locking clinch nuts (Series CFE/CFEO/CFEX/CFEOX), with standoffs and studs to follow as (updated 2026-11)
- [Retaining Rings — Products · IndFastPro](https://www.indfastpro.com/products/category/retaining-rings/): Metric retaining rings (circlips) to DIN 471 (external, shafts) and DIN 472 (internal, bores) - axially assembled into grooves on shafts and in housings. (updated 2026-11)
- [Exotic Alloy & High-Temperature Fasteners — Products](https://www.indfastpro.com/products/category/exotic-alloys/): Material-grade fastener selection for extreme joints - nickel superalloys (Inconel 718, X-750), A-286 aerospace stainless, ASTM A193 B8M/B8M3 austenitic studs, (updated 2026-11)
- [Threaded Inserts — Products · IndFastPro](https://www.indfastpro.com/products/category/threaded-inserts/): Insert-type selection for creating or repairing internal threads - wire and tangless helical inserts, self-tapping and heavy-duty variants, key-locking (updated 2026-11)

## Knowledge

- [Hex Bolt: Capabilities, Materials & Sourcing · IndFastPro](https://www.indfastpro.com/knowledge/hex-bolt/): Hex bolts are a type of bolt with a six-sided head and threaded shaft, used across construction, machinery, automotive, and marine applications. They are a (updated 2026-10)
- [Fastener Requirements for Automotive (IATF 16949/GMW) and](https://www.indfastpro.com/knowledge/automotive-aerospace-fastener-requirements/): For regulated-sector fasteners, the verifiable gates are the supplier's QMS certification (IATF 16949 for automotive, AS9100D for aerospace) and, for plating, N (updated 2026-10)
- [Blind and Self-Locking Fasteners for Joints With No Back](https://www.indfastpro.com/knowledge/blind-fastening-solutions-for-inaccessible-joints/): For a joint that cannot be reached from the back after assembly, the source-identified options are blind rivet nuts (rivnuts), threaded inserts and blind rivets (updated 2026-10)
- [Bolt Grade Selection: ISO 898-1 8.8/10.9/12.9 vs ASTM A307](https://www.indfastpro.com/knowledge/bolt-grade-selection-and-applications/): Legality comes before strength: a code-governed steel-to-steel connection requires a structural-grade bolt, so A307 is ruled out there regardless of price . Aft (updated 2026-10)
- [Bolt Head Types and Drive Styles: What the Evidence Can](https://www.indfastpro.com/knowledge/bolt-head-types-and-drive-styles-explained/): Head type and drive style are chosen on bearing area, tool access, torque behaviour, corrosion, security, cost and standards — but the sources in this set settl (updated 2026-10)
- [Calculating Bolt Preload and Clamp Force: Torque, Friction](https://www.indfastpro.com/knowledge/bolt-preload-and-clamp-force-calculation-guide/): Preload is calculated as a target fraction of proof load, then converted to torque with T = K·D·P, where K is the friction input you must state explicitly. Torq (updated 2026-10)
- [Bolt Stretch vs Torque Control for Preload Accuracy: What](https://www.indfastpro.com/knowledge/bolt-stretch-vs-torque-controlled-tightening-compared/): Bolt stretch measurement is reported at ±1–8% preload scatter and torque control at roughly ±15–40%, so the accuracy gap is real and large . Torque control rema (updated 2026-10)
- [Carriage Bolts (Coach Bolts) for Wood and Metal-to-Wood](https://www.indfastpro.com/knowledge/carriage-bolt-and-coach-bolt-applications/): A round-head square-neck carriage bolt works when the square neck can seat in wood and the nut can be run up from the far side, which is the mechanism that stop (updated 2026-10)
- [Self-Clinching Nut Pushout and Torque-Out Figures](https://www.indfastpro.com/knowledge/clinch-catalogue-pushout-torque-out-value-basis/): No publisher in this set states that its pushout or torque-out figures are guaranteed minimums or design limits. PSM and NP Fasteners each label their figures a (updated 2026-10)
- [Zinc-Flake vs Zinc-Nickel for High-Strength Fasteners](https://www.indfastpro.com/knowledge/coating-selection-for-fasteners-zinc-zinc-nickel-ptfe-and-others/): For a Class 12.9 fastener, zinc-flake is the only coating in this source set documented as non-electrolytic with no internal hydrogen embrittlement risk, while  (updated 2026-10)
- [Cold Heading vs Machining for Fasteners: How to Choose a](https://www.indfastpro.com/knowledge/cold-heading-vs-machining-fastener-manufacturing-compared/): No source in this set compares cold-headed and machined fasteners head to head on strength, tolerance or cost, so the route cannot be chosen from published figu (updated 2026-10)
- [Wedge, Sleeve and Screw Anchors in Concrete: What You Can](https://www.indfastpro.com/knowledge/concrete-anchor-selection-wedge-sleeve-screw/): Published evidence settles the selection sequence for concrete anchors — verify cracked-concrete approval per product and per size, control hole tolerance and d (updated 2026-10)
- [Classifying a Damaged Screw: Rounded Head, Broken Shank or](https://www.indfastpro.com/knowledge/damaged-screw-removal-matching-the-damage-type-rounded-head-broken-shank-seized-threads-to-the-right-removal-tool/): Classify the damage first: a damaged drive and a seized thread are separate faults, and improving grip on a screw that is actually held by its threads can destr (updated 2026-10)
- [EN 10204 3.1 vs 3.2 Certificates on a Fastener PO: What](https://www.indfastpro.com/knowledge/en-10204-material-certificates-3-1-vs-3-2/): EN 10204 3.1 is validated by the manufacturer's inspection representative independent of manufacturing, while 3.2 adds a further designated validator who signs  (updated 2026-10)
- [Reading a Fastener Coating Callout: ISO 10683 · IndFastPro](https://www.indfastpro.com/knowledge/fastener-coating-standards-explained/): An ISO 10683 zinc-flake callout is positional: 'flZn' zinc flake, 'nc' chromate-free, 'L' lubricant, 'f' fine thickness grade (5–12 µm), and the trailing number (updated 2026-10)
- [Fastener Materials and Coatings for Marine, Industrial and](https://www.indfastpro.com/knowledge/fastener-corrosion-resistance-chart-by-material-and-coating/): For wet, saline or outdoor joints, the evidence supports starting from a sacrificial zinc-based system rather than a barrier coating, then matching the salt-spr (updated 2026-10)
- [Fastener Cost Drivers: Where Material, Coating · IndFastPro](https://www.indfastpro.com/knowledge/fastener-cost-drivers-what-makes-a-bolt-expensive/): Material grade and coating/finish are the two drivers most consistently identified as high or medium-to-high impact on fastener unit price, so they are the firs (updated 2026-10)
- [Fastener Failure Modes: Which Fatigue, Creep and SCC](https://www.indfastpro.com/knowledge/fastener-failure-modes-fatigue-creep-and-stress-corrosion/): Hardness grade is the first-order control the evidence supports: two publishers place the significant hydrogen-embrittlement and SCC susceptibility threshold at (updated 2026-10)
- [Bolt Head Markings: What the Lines, Numbers and Letters](https://www.indfastpro.com/knowledge/fastener-head-marking-and-grade-identification-guide/): Head markings identify the grade a bolt claims: SAE inch-series bolts use radial lines (three lines = Grade 5, six lines = Grade 8) , metric bolts use a propert (updated 2026-10)
- [Hydrogen Embrittlement in High-Strength Bolts: Which](https://www.indfastpro.com/knowledge/fastener-hydrogen-embrittlement-risk-and-prevention/): Hydrogen embrittlement susceptibility rises sharply above a specified hardness of about 39 HRC (380 HV). Which puts ISO 898-1 class 12.9 (39-44 HRC) and class 1 (updated 2026-10)
- [Installing a Bolt to a Specified Torque: Procedure](https://www.indfastpro.com/knowledge/fastener-installation-torque-procedure-step-by-step/): The torque figure itself must come from the drawing or the manufacturer's specification — no source in this set supplies a target value, a friction coefficient, (updated 2026-10)
- [Manufacturer or Trader? What a Fastener Buyer Can Verify](https://www.indfastpro.com/knowledge/fastener-manufacturer-capability-and-qms-evidence-checklist/): Before an audit you can verify a supplier's legal entity against its certificates and reports, check a quality-system certificate's number, issuer, scope and va (updated 2026-10)
- [Fastener Material and Coating Selection by Environment](https://www.indfastpro.com/knowledge/fastener-material-selection-chart-by-environment/): For indoor dry service, plain or zinc-plated steel is adequate, while outdoor weathering calls for hot-dip galvanized or coated steel and marine saltwater point (updated 2026-10)
- [What Drives Fastener MOQ, Lead Time and Unit Cost — and](https://www.indfastpro.com/knowledge/fastener-moq-lead-time-and-cost-drivers-explained/): MOQ, lead time and unit cost are supplier- and part-specific, not industry numbers: stated MOQ policies range from a 50,000-piece floor for conventional sub-10  (updated 2026-10)
- [Proof Load vs Yield and Tensile Strength in Bolt](https://www.indfastpro.com/knowledge/fastener-proof-load-and-proof-stress-explained/): Proof load (proof stress) is a standard-set minimum strength value a bolt must meet to qualify as a grade, and it may be the only strength value a standard spec (updated 2026-10)
- [Which EN 10204 Certificate Should Your Fastener PO Name](https://www.indfastpro.com/knowledge/fastener-quality-certificates-and-mill-test-reports-explained/): Name the EN 10204 type explicitly on the purchase order, because an unnamed 'certificate' requirement is typically satisfied by the cheapest document that fits  (updated 2026-10)
- [Fastener Materials, Locking and Documentation for Medical](https://www.indfastpro.com/knowledge/fastener-requirements-for-medical-devices-and-healthcare-equipment/): For non-implant medical and pharmaceutical equipment, the sources point to 304/316 stainless or polypropylene for corrosion resistance, cleanability and repeate (updated 2026-10)
- [Fastener Materials and Designs for Food-Processing](https://www.indfastpro.com/knowledge/fastener-selection-for-food-processing-equipment-hygiene-and-washdown/): For primary food-contact fasteners, the cited sources consistently recommend 316L stainless, with 304/18-8 positioned for non-contact or less demanding areas .  (updated 2026-10)
- [DIN, ISO, ANSI/ASME and JIS Fasteners: Can You Treat Them](https://www.indfastpro.com/knowledge/fastener-standard-comparison-din-iso-ansi-jis/): No source in this set establishes that a DIN, ISO, ANSI/ASME or JIS fastener is a drop-in substitute for another on nominal size and strength alone. And the evi (updated 2026-10)
- [Yield Strength vs Tensile Strength in Bolts: Which Governs](https://www.indfastpro.com/knowledge/fastener-tensile-strength-vs-yield-strength-explained/): For a given ISO 898-1 class, yield strength (Rp0.2/ReL) is the lower value and the one that limits preload, while tensile strength (Rm) is the higher value and  (updated 2026-10)
- [Thread Locking for Vibration: Nylon Patch, Threadlocker](https://www.indfastpro.com/knowledge/fastener-thread-locking-methods-compared/): No source in this set provides comparable measured Junker or DIN 25201-4 preload-decay results across all four methods, so none of them can be named best for vi (updated 2026-10)
- [Thread Pitch and Engagement Length for Steel, Aluminium](https://www.indfastpro.com/knowledge/fastener-thread-pitch-and-engagement-length-rules/): The evidence establishes that for a properly made steel fastener in a steel joint the shank breaks before the threads shear, so engagement length is a check aga (updated 2026-10)
- [How to Determine Tightening Torque and Choose a Tightening](https://www.indfastpro.com/knowledge/fastener-torque-specification-and-tightening-methods/): Tightening torque is a proxy for clamp load: only about 10% of input torque becomes preload, with underhead friction taking roughly 50% and thread friction roug (updated 2026-10)
- [HVAC and Ducting Fasteners: Material, Coating, Locking and](https://www.indfastpro.com/knowledge/fasteners-for-hvac-and-ducting-applications/): The evidence settles four specification choices for HVAC and ducting fasteners: match the fastener material to the duct material or a galvanically close one, pi (updated 2026-10)
- [Marine and Offshore Fastener Materials and Coatings: What](https://www.indfastpro.com/knowledge/fasteners-for-marine-and-offshore-applications/): For marine and offshore zones, A4/316 stainless is the minimum baseline for direct saltwater and splash-zone fasteners, with 304/A2 excluded from those zones .  (updated 2026-10)
- [Steel Screws in Aluminium: How Much Thread Engagement](https://www.indfastpro.com/knowledge/fastening-into-softer-base-metal-avoiding-thread-stripping-and-cold-flow/): When a steel screw goes into an aluminium base, the aluminium threads shear first, so steel-to-steel torque tables and a 1x-diameter engagement rule are both in (updated 2026-10)
- [Threaded Fasteners vs Snap-Fits, Rivets and Adhesives](https://www.indfastpro.com/knowledge/fastening-methods-for-mixed-material-assembly-in-electromechanical-products/): No source in this set compares threaded fasteners, snap-fits, rivets and adhesives on vibration, serviceability or cost, so the choice between those four method (updated 2026-10)
- [Fastener Material and Coating Choice for Aluminum](https://www.indfastpro.com/knowledge/galvanic-corrosion-risk-when-pairing-fastener-and-base-metals/): For aluminum, stainless and carbon steel joints, the sources support avoiding direct aluminum–stainless and carbon steel–stainless couples, or isolating them wi (updated 2026-10)
- [Galvanic Corrosion in Mixed-Metal Joints: How to Specify](https://www.indfastpro.com/knowledge/galvanic-potential-and-isolation-requirements-for-fastener-rfq/): Galvanic corrosion needs three things at once — dissimilar potentials, metallic contact and an electrolyte . So the RFQ should specify the fastener as part of a (updated 2026-10)
- [8.8 vs 10.9 vs 12.9 Bolts: Strength, Hardness and Cost](https://www.indfastpro.com/knowledge/grade-8-8-vs-10-9-vs-12-9-bolts-compared/): ISO 898-1 acceptance minimums sit above the nominal class numbers, so a joint sized on 800/1000/1200 MPa is under-designed; for 10.9 the minimum tensile is 1040 (updated 2026-10)
- [Through-Hardened vs Case-Hardened Fasteners: Hardness](https://www.indfastpro.com/knowledge/heat-treatment-of-fasteners-through-hardening-vs-case-hardening/): Hardness is the field-checkable link between heat treatment and embrittlement risk: through-hardened classes 8.8, 10.9 and 12.9 read 22-32, 32-39 and 39-44 HRC, (updated 2026-10)
- [Repairing a Stripped Threaded Hole with Wire or Solid](https://www.indfastpro.com/knowledge/helicoil-and-thread-insert-repair-for-damaged-threads/): A stripped tapped hole is most commonly repaired with a wire (helical) insert because it needs the least hole enlargement, with a solid bushing insert as the al (updated 2026-10)
- [Hex Bolts vs Socket Head Cap Screws: What the Evidence](https://www.indfastpro.com/knowledge/hex-bolt-vs-socket-head-cap-screw-compared/): Property-class strength values (8.8, 10.9, 12.9) are class properties and apply to both hex bolts and socket head cap screws, so head type is not a strength dec (updated 2026-10)
- [Fastener Materials for Continuous Service Above 400°C](https://www.indfastpro.com/knowledge/high-temperature-fastener-materials-and-applications/): Above 200°C the sources direct the joint to a code-specified high-temperature bolting grade with allowable stress taken from ASME Section VIII, not to a room-te (updated 2026-10)
- [Reading a Fastener Datasheet: Which Fields You Can Verify](https://www.indfastpro.com/knowledge/how-to-read-a-fastener-datasheet-step-by-step/): A datasheet's grade, coating and quality claims can be checked against standard-set values, coating thickness minimums and named inspection documents . But only (updated 2026-10)
- [What a Fastener RFQ Must Carry So Suppliers Quote the Same](https://www.indfastpro.com/knowledge/how-to-write-a-fastener-rfq-that-gets-quotable-quotes/): A comparable fastener RFQ names the governing standard and its edition, the property class, the thread and gauging standard. And the full coating designation, b (updated 2026-10)
- [Fastener Import Contracts: Packaging, Quality Documents](https://www.indfastpro.com/knowledge/importing-fasteners-incoterms-packaging-and-customs-basics/): A first fastener import contract can fix packaging clauses (labeled inner bags, moisture protection, carton weight limits, pallet specification, no mixed carton (updated 2026-10)
- [What Bolt Property Classes 8.8, 10.9 and 12.9 Encode — and](https://www.indfastpro.com/knowledge/iso-898-1-property-classes-explained/): The two-number class encodes minimum tensile strength (first digit × 100 MPa) and yield-to-tensile ratio, so 8.8, 10.9 and 12.9 step up in both tensile and yiel (updated 2026-10)
- [Preventing Cold-Flow Loosening in Soft-Sheet Joints](https://www.indfastpro.com/knowledge/mitigating-cold-flow-in-soft-sheet-joints-with-self-locking-fasteners/): Cold-flow loosening in soft-sheet joints is driven by settlement, relaxation and creep, not vibration alone, so the first-line defence is increasing effective b (updated 2026-10)
- [Pairing a Nut to a Bolt: Property Class, Flange vs Hex](https://www.indfastpro.com/knowledge/nut-types-and-selection-guide/): The sources let you settle bearing style and environment-driven finish. And they confirm that nylon-insert nuts are commercially available in Grades 8, 10 and 1 (updated 2026-10)
- [Pairing a Nut to a Bolt: Property Class, Height · IndFastPro](https://www.indfastpro.com/knowledge/nuts-grade-pairing-and-bearing-surface-selection/): Nut grade should match the bolt's property class, and the pairing has to be rechecked whenever the bolt class changes . A Grade 8 bolt with a Grade 2 nut fails  (updated 2026-10)
- [Reusing a Removed Screw: When to Replace It, and Driver](https://www.indfastpro.com/knowledge/preventing-and-removing-worn-out-screws-when-to-replace-vs-reuse-after-extraction/): A screw with a visibly deformed, nicked or rounded drive recess is scrap, and so is one whose previous tightening torque nobody recorded . Recess wear and cam-o (updated 2026-10)
- [Rivet Material and Coating Selection for Outdoor and](https://www.indfastpro.com/knowledge/rivet-material-and-corrosion-selection/): For a wet or chloride-exposed riveted joint, the galvanic couple with the joined metals decides the material first: aluminum against stainless or carbon steel a (updated 2026-10)
- [Blind vs Solid Rivets for One-Side-Access or Permanent](https://www.indfastpro.com/knowledge/rivet-types-and-applications-blind-solid-tubular/): For a joint reachable from one side only, blind rivets — standard or structural — are the installable type, because solid rivets form their shop head against a  (updated 2026-10)
- [Rubber Band, Super Glue or Locking Pliers vs a Screw](https://www.indfastpro.com/knowledge/rubber-band-super-glue-and-pliers-tricks-vs-dedicated-tools-for-removing-stripped-screws/): For a stripped screw that will not budge, the sources support a condition-based attempt order rather than a single winner: penetrating oil and heat first if the (updated 2026-10)
- [Screw Family Selection by Base Material: Wood, Machine and](https://www.indfastpro.com/knowledge/screw-head-and-thread-types-for-different-materials/): Screw family follows the base material and whether the joint will be serviced: self-tapping and self-drilling screws cut their own thread, machine screws need a (updated 2026-10)
- [One-Way vs Shear Nuts: What Sourced Manufacturer Guidance](https://www.indfastpro.com/knowledge/security-nuts-one-way-shear-breakaway/): Cited manufacturer guidance supports only the shear (breakaway) nut family in detail: it installs with a standard spanner or socket. And its hex shears off at a (updated 2026-10)
- [Self-Locking Fasteners for Vibrating Joints: Mechanism](https://www.indfastpro.com/knowledge/self-locking-fasteners/): For a joint that sees transverse motion, the cited sources treat Junker transverse-vibration testing to DIN 65151/DIN 25201-4 as the way to compare locking mech (updated 2026-10)
- [Self-Locking Fasteners in Aluminum and Copper: 5 Checks](https://www.indfastpro.com/knowledge/self-locking-fasteners-in-soft-ductile-metals-performance-and-failure-modes/): In aluminum, a steel fastener needs at least 1.5x nominal diameter engagement and a torque value rewritten from scratch — the steel-into-steel spec is what stri (updated 2026-10)
- [Thread-Forming vs Thread-Cutting vs Thread-Rolling](https://www.indfastpro.com/knowledge/self-tapping-screw-types-thread-forming-vs-thread-cutting/): Thread-cutting screws are the indicated type where the receptacle is too hard or brittle for thread-forming, including cast iron, composites and harder reinforc (updated 2026-10)
- [Socket Head Cap Screws vs Hex Bolts: Strength, Head](https://www.indfastpro.com/knowledge/socket-head-cap-screw-specifications-and-applications/): For a 1/2" inch-series joint, the only direct same-size comparison in this evidence reports a socket head cap screw at 16,000+ lbs tensile against 14,000 (updated 2026-10)
- [Solar Panel Mounting Fasteners: Material, Torque and](https://www.indfastpro.com/knowledge/solar-panel-mounting-fastener-requirements/): For solar mounting, the material and coating decision is gated by the site environment and the substrate: zinc-plated fasteners are not acceptable in contact wi (updated 2026-10)
- [A2-70 vs A4-80 Stainless Fasteners: When Does the](https://www.indfastpro.com/knowledge/stainless-steel-fastener-grades-a2-a4-and-when-to-use-them/): A4 designates 316-series stainless and A2 designates 304-series stainless; the number is the minimum tensile strength in tens of MPa, so A4-80 is 316 cold-worke (updated 2026-10)
- [Stripped Phillips Screw in a Soft-Metal or Plastic](https://www.indfastpro.com/knowledge/stripped-screw-removal-choosing-between-extraction-pliers-rubber-band-and-screw-extractor-kits/): Method selection for a stripped Phillips screw turns on four inputs . How badly the head is damaged, whether the head sits above or below the surface, whether t (updated 2026-10)
- [Turn-of-Nut vs Twist-Off TC Bolts: Which Pretensioning](https://www.indfastpro.com/knowledge/structural-bolt-preload-methods-turn-of-nut-vs-tc-bolt/): RCSC's specification treats turn-of-nut as strain control into the inelastic region and rates it more reliable than torque-controlled pretensioning, while twist (updated 2026-10)
- [Reusable vs One-Way Security Fasteners for Enclosures](https://www.indfastpro.com/knowledge/tamper-proof-fastener-selection-by-maintenance-access/): Tamper-resistant drives such as pin-in, spanner, sentinel, triangular and tamper-resistant Torx are removable-with-special-tool types. So they suit enclosures y (updated 2026-10)
- [Tamper-Resistant Drive Types: What Sourced Manufacturer](https://www.indfastpro.com/knowledge/tamper-proof-screw-drive-types-compared/): Sourced manufacturer guidance documents only one tamper-resistant drive family in any usable detail: clutch head, where Type A is reversible and Type G is one-w (updated 2026-10)
- [ISO Metric vs UNC/UNF Threads: Can You Treat Them as](https://www.indfastpro.com/knowledge/thread-standards-metric-vs-imperial-iso-vs-unified/): No — ISO metric and Unified (UNC/UNF) threads are not interchangeable, so the design must commit to one thread system for mating components . The shared 60° thr (updated 2026-10)
- [Threaded Inserts for Plastics, Wood and Soft Metals: Which](https://www.indfastpro.com/knowledge/threaded-insert-types-for-soft-materials/): For plastics, the insert families named across sources are heat-set, press-fit, ultrasonic, molded-in and self-tapping, with heat-set repeatedly tied to thermop (updated 2026-10)
- [Threaded Rod and Stud Bolt Standards: Mapping DIN 975/976](https://www.indfastpro.com/knowledge/threaded-rod-and-stud-bolts-selection-guide/): For flanged piping or structural anchorage, the grade decision follows the governing code's allowable-stress framework and the service environment, not tensile- (updated 2026-10)
- [Titanium vs Stainless vs Alloy Steel Fasteners: Which the](https://www.indfastpro.com/knowledge/titanium-fasteners-weight-corrosion-and-cost-trade-offs/): The evidence cannot rank titanium against stainless or alloy steel on strength-to-weight, price or lead time. So the decision turns on screening: match proof st (updated 2026-10)
- [Torque Tool Calibration and Tightening Records: What a](https://www.indfastpro.com/knowledge/torque-wrench-calibration-and-tightening-audit-basics/): A defensible regime sets a baseline recalibration interval of 12 months or about 5,000 load cycles, whichever comes first, shortens it for critical or high-use  (updated 2026-10)
- [Which Washer Does the Joint Actually Need — Flat, Spring](https://www.indfastpro.com/knowledge/washer-types-function-and-selection/): Washer choice follows the joint's failure mode: flat washers distribute load and protect a bearing surface that is rough, distorted or too small, Belleville was (updated 2026-10)
- [Zinc-Flake Coating for Fasteners: When the Evidence](https://www.indfastpro.com/knowledge/zinc-flake-coating/): Zinc flake is a non-electrolytic coating, and two independent manufacturer sources state it carries no hydrogen embrittlement risk, which makes it a candidate f (updated 2026-10)
- [Zinc-Plated vs Hot-Dip Galvanized Fasteners: Which Coating](https://www.indfastpro.com/knowledge/zinc-plated-vs-hot-dip-galvanized-fasteners-compared/): Hot-dip galvanized fasteners carry 43-86 microns of zinc against up to 25 microns for zinc plating, and zinc plating is ruled out entirely in contact with moder (updated 2026-10)
- [Zinc Plating for Fasteners: When It Fits, When Hardness or](https://www.indfastpro.com/knowledge/zinc-plating/): Electroplated zinc suits indoor, dry and limited-moisture fasteners. But above 39 HRC / 380 HV it requires baking at 8-10 h minimum at 190-220 °C, and a 4 h bak (updated 2026-10)

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> Content updated: 2026-11-02