# Custom Industrial Fasteners Manufacturer in China ISO 9001 · DIN · ISO · ANSI/ASME standard & custom fasteners ## Custom Industrial Fasteners Manufacturer in China A China-based industrial fastener manufacturer offering bolts, screws, nuts, washers and rivets to standard and custom specification — for global B2B buyers. Get a Quote (https://www.indfastpro.com/contact/) Manufacturer & capabilities (https://www.indfastpro.com/manufacturer/) Popular searches Hex bolts DIN 933 (https://www.indfastpro.com/products/bolts/)Hex nuts DIN 934 (https://www.indfastpro.com/products/nuts/)Blind rivets (https://www.indfastpro.com/products/rivets/) 5,000 m² facility area 32 production machines 500k units/day output capacity M36 × 300 mm size range ### Why source from IndFastPro Four things a procurement team can verify before the first order — and rely on for every repeat order after it. 🏭 #### Factory-direct supply Own cold-heading, thread-rolling and machining lines in Hefei, backed by a vetted outsourcing network for volumes and special variants — same specs, same terms. 📋 #### ISO 9001 quality system Every batch is released by the in-house lab — spectrometer, salt-spray and tensile testing — before packing. Mill test certificates and dimensional reports on request. 📄 #### Full documentation Material certificates, dimensional reports and export documents ship with every order. EN 10204 3.1 inspection documents available on request. 🔁 #### Repeat-order friendly MOQs and lead times are set per product family and confirmed with your quotation. Your specification is kept on file so re-orders are one email away. ### Product families DIN/ISO/JIS standard and custom fasteners, manufactured to drawing with material traceability and documented finishes. #### Bolts Bolts are threaded fasteners with a head, available in various grades, materials, and dimensions for industrial and construction applications. DIN 933 / DIN 931 · ISO 4014 / 4017 · grades 8.8, 10.9, A2-70, A4-80 stainless steel Explore Bolts → (https://www.indfastpro.com/products/bolts/)#### Screws Screws are externally threaded fasteners used to join materials, available in machine, driver, and metric styles with a range of head types, materials, and strength grades. DIN 84 / ISO 1207 · DIN 7996 · slotted, cross-recess steelstainless steelbrass Explore Screws → (https://www.indfastpro.com/products/screws/)#### Nuts Hex nuts and locknuts supplied in metric property classes and inch finished-hex dimensions, with proof-load stresses and mating bolt classes published for each metric nut class. DIN 934 / ISO 4032 · DIN 985 nyloc · grades 8, 10, A2-70, A4-80 Nylonstainless steelsteel Explore Nuts → (https://www.indfastpro.com/products/nuts/)#### Washers Flat washers used for load distribution, vibration resistance, and surface protection in fastener assemblies. Available in USS and SAE dimensional standards, with low carbon steel as the most common general-purpose material. DIN 125 A/B · DIN 9021 · ISO 7089 / 7090 Low carbon steelMild steelCarbon steel Explore Washers → (https://www.indfastpro.com/products/washers/)#### Rivets Blind rivets available in aluminum, copper, steel and stainless steel with dome, countersunk, large and extra large head options, compliant with NF-E 25-701/25-702 standards. DIN 7337 / ISO 15977-15983 · open & closed end blind rivets AluminumCopperSteel Explore Rivets → (https://www.indfastpro.com/products/rivets/)#### 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, and 105 steel options. mechanical & chemical anchoring · anchor rods per ASTM F1554 stainless steel Explore Anchors → (https://www.indfastpro.com/products/anchors/)#### Surface Finishes & Coatings A comparison of common steel fastener finishes including zinc flake, phosphate & oil, cadmium electroplate, and zinc electroplate, with their corrosion resistance, friction, and hydrogen embrittlement characteristics. zinc electroplate · hot-dip galvanized · zinc-nickel · zinc-flake (Dacromet/Geomet) · PTFE steel Explore Surface Finishes & Coatings → (https://www.indfastpro.com/products/surface-finishes/)#### 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), in steel and stainless steel. 301 stainless steelhardened steelstainless steel A1 Explore Pins → (https://www.indfastpro.com/products/pins/)#### Self-Clinching Fasteners CFE self-clinching fasteners are designed to provide strong threads in a minimum of space. They are available with locking and non-locking threads and are directly interchangeable with industry standards. 300 Series Stainless Steel. Explore Self-Clinching Fasteners → (https://www.indfastpro.com/products/self-clinching/)#### 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, reducing vibration and maintaining proper position while permitting easy disassembly. A2 stainless steel Explore Retaining Rings → (https://www.indfastpro.com/products/retaining-rings/)#### Exotic Alloy & High-Temperature Fasteners A range of exotic alloy and high-temperature fasteners for demanding industries, with technical guidance on hydrogen embrittlement across aerospace, automotive, marine, oil and gas, medical, and pressure vessel applications. Of the stainless steels, A286 is the best fastener material for aerospace usage.; - Monel® (e.g., K-500): This nickel-copper alloy is renowned for its exceptional resistance to seawater corrosion, particularly in high-velocity conditions, making it ideal for shafts, valves, and fasteners exposed to flowing seawater. Explore Exotic Alloy & High-Temperature Fasteners → (https://www.indfastpro.com/products/exotic-alloys/)#### Threaded Inserts Mechanical fastening components installed into a prepared hole to provide strong, reusable internal threads in soft, thin, or frequently serviced base materials. Self-tapping variants cut or form their own thread in the receiving hole, reducing or eliminating the need to pre-tap. For 3D printed parts and plastic housings, brass heat-set inserts are one of the most common choices.; Threaded inserts are commonly made from stainless steel, carbon steel, brass, and other engineering materials. Explore Threaded Inserts → (https://www.indfastpro.com/products/threaded-inserts/) ### Manufacturing Capabilities Five processes under one roof — cold heading, hot forging, thread rolling, precision machining and heat treatment — with the tolerance range and batch verification data stated openly so you can match them to your drawing before you ask. See processes, limits and batch verification (https://www.indfastpro.com/capabilities/) ### Hefei IndFastPro Import & Export Co., Ltd. Own production lines plus a vetted outsourcing network — the catalog is not capped by one factory's machine list, and neither is your supply security. Fasteners leave our lines only after in-house lab release: spectrometer material verification, salt-spray and tensile testing, full batch traceability from raw wire to packed cartons. Export-grade packing and container loading plans are standard; quotations state the fulfillment route — own line or qualified partner plant — whenever it matters to your decision. Manufacturer & capabilities (https://www.indfastpro.com/manufacturer/) ### Frequently asked questions The four things procurement teams ask first — answered from our standard terms. #### What is the minimum order quantity? MOQs are set per product family — from 500 pieces on anchors to 10,000 on screws, nuts and washers. Custom specifications are quoted separately against your drawing or sample. #### Do you provide samples? Yes — samples ship with material certificates, and a dimensional inspection report is available on request before you commit to batch production. #### What are the lead times? Standard orders: 15–25 days. Custom orders: 30–45 days. Both are confirmed against the current production schedule when you place the order. #### Which certification documents come with the order? ISO 9001 quality system, mill test certificates, full dimensional reports and tensile test reports — the in-house lab releases every batch before packing. ### Latest from the knowledge base Engineering answers built from cited industry sources — every figure traceable, every open question stated. Knowledge #### One-Way vs Shear Nuts: What Sourced Manufacturer Guidance Actually Settles on Security Nut Selection Read article → (https://www.indfastpro.com/knowledge/security-nuts-one-way-shear-breakaway/)Knowledge #### Turn-of-Nut vs Twist-Off TC Bolts: Which Pretensioning Method the Evidence Supports Read article → (https://www.indfastpro.com/knowledge/structural-bolt-preload-methods-turn-of-nut-vs-tc-bolt/)Knowledge #### Self-Clinching Nut Pushout and Torque-Out Figures: Minimum, Average or Unstated? What PEM, PSM and NP Fasteners Say Read article → (https://www.indfastpro.com/knowledge/clinch-catalogue-pushout-torque-out-value-basis/) All knowledge articles (https://www.indfastpro.com/knowledge/) ### Request a Quote Get factory-direct pricing from the manufacturer. #### What to include in your inquiry - ✓ Standard and property class (e.g. DIN 912, ISO 4762, class 8.8) — or a drawing for custom parts. - ✓ Sizes, lengths and thread type (metric or inch). - ✓ Quantity per size and your target delivery date. - ✓ Destination country, plus any coating or finish requirement. - ✓ Any documents you need with the shipment (e.g. mill test certificate) so the quote includes them. - ✓ Your inquiry goes straight to the factory team by email and gets a reply within 24 hours. - ✓ Factory-direct pricing - ✓ Standard and custom specifications - ✓ Factory-direct export to buyers in Europe, Asia, the Americas and the Middle East - ✓ Full fastener family support Supplier of Interest: Your Name * Email * Phone / WhatsApp Additional Requirements Attachments (PDF, images, drawings — optional) Send Inquiry We use your details only to answer this inquiry — see our Privacy notice (https://www.indfastpro.com/privacy/) for everything the form collects. 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