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. Metric matrix marked to order 2–120 mm; steel, A2 and A4 stainless as standard; collected page positions the dog point as a dowel-pin alternative. Imperial markers undefined by legend — imperial lengths at quotation.
Last updated: 2026-11
Specifications
The dog point is the locating member of the grub family: a cylindrical pilot past the flat tip that engages a matching hole in the mating part, letting the secured component rotate on the screw during adjustment while the screw shaft itself stays put. The collected page describes exactly that mechanism — the shaft rotates without displacement, alignment held during installation — and positions the line as an alternative to dowel pins, which is the honest engineering comparison: a dog point set screw does the pin’s location job while staying removable with the matched pin-TX insert bit instead of being driven out. The tabulated range runs M2 to M24, with socket depth and width from M3 (dashes at M2/M2.5 — no tool claims there), tools TX6–TX60. The metric availability matrix marks every tabulated cell as to order from 2 mm to 120 mm — a made-to-order line across the board, so schedule belongs in the RFQ from the start; spot gaps exist (the 2 mm length marks on M2 only, 18 mm starts at M3, 120 mm stops at M16). The imperial table’s markers are not defined by the collected legend, so imperial lengths are quotation lines. Supply is stated in steel, A2 and A4 stainless steel as standard.
| Designation | TX33 — dog point (extended pilot point) security grub screw, 6-lobe pin TX drive, headless, fully threaded; pilot engages a matching hole so the mating part rotates without displacing the screw; dowel-pin alternative per the collected page |
|---|---|
| Thread range (tabulated) | M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M16, M20, M24 (t/s/tool tabulated from M3; M2/M2.5 dash — no tool claims for those sizes) |
| Min socket depth t (mm) | M3 0.8 · M4 1 · M5 1.3 · M6 1.6 · M8 2.7 · M10 2.9 · M12 3.2 · M16 4.3 · M20 5.3 · M24 6.8 |
| Socket width s (mm) | M3 1.75 · M4 2.4 · M5 2.8 · M6 3.35 · M8 4.5 · M10 5.6 · M12 6.75 · M16 8.95 · M20 11.35 · M24 13.45 |
| Tool size (collected) | TX6 (M3) · TX8 (M4) · TX10 (M5) · TX15 (M6) · TX25 (M8) · TX30 (M10) · TX40 (M12) · TX50 (M16) · TX55 (M20) · TX60 (M24) |
| Length availability (as marked, metric) | 2–120 mm matrix, every marked cell = to order (legend: black-triangle marker = to order): M2 from 2–16 mm (spot gaps) · M2.5 from 3–16 mm · M3–M6 from 3–60 mm · M8–M10 to 100 mm · M12–M16 to 120 mm · M20 to 100 mm · M24 to 100 mm; the whole line is a made-to-order schedule — quote lead time per pair |
| Length axis (imperial, unclaimed) | imperial matrix tabulates No.2-56–3/8-16 × 1/8″–2″, but its cell markers are not defined by the collected legend — imperial pairs at quotation |
| Standard materials | Steel, A2 stainless steel, A4 stainless steel; other materials and finishes on request |
Materials
- Steel (standard)
- A2 stainless steel (standard)
- A4 stainless steel (standard)
- Other materials and finishes on request
Ordering & documentation
Documents
Shipments are backed by Mill Test Certificate (MTC), Dimensional Report, Salt Spray Test Report on request, with full batch traceability from raw material to finished product. Quality management follows the owner-confirmed compliance list: ISO 9001:2015, RoHS, REACH. Exact document sets are confirmed on the order.
Quotation
- The fastener family (TX33 6-Lobe Pin TX Security Grub Screw — Dog Point) plus the standard designation from your drawing — DIN / ISO / JIS / ASTM / ANSI, or a drawing for custom parts.
- Size (diameter and length), thread type (metric or inch), property class or grade, and coating or finish.
- Quantity per size and your target delivery date.
- Destination country, and any required documents (for example a mill test certificate) so the quote includes them.
Sample & supply
Minimum order quantity is 10,000 pieces. Stock items run 3–7 days. Quantities or variants outside the standard range are confirmed at quotation.
Storage & shipping
Parts are packed for export and shipped factory-direct to buyers in Europe, Asia, the Americas and the Middle East. Store fasteners dry and protected until installation, and keep coated parts in their packaging until use; specific packing and preservation requirements can be stated on the order and confirmed at quotation.
Frequently asked questions
Why choose a dog point over an actual dowel pin?
Serviceability and adjustability. A dowel pin is a press-fit permanent: to reposition the mating part you drive it out, marring the hole. The dog point grub screw holds the same location job — its pilot rides in the mating hole — but the part on it can rotate for adjustment, and the screw backs out with the matched pin-TX bit when the assembly is redesigned. The collected page names the dowel-pin alternative explicitly. The trade is holding power: a dog point locates, it does not resist heavy shear the way an interference-fit pin does, so heavily loaded joints still get a real pin.
Everything on this line is marked to order — what does that mean for planning?
That the source availability matrix marks every tabulated metric pair (2–120 mm across M2–M24) with its to-order marker, so nothing on this page should be planned as shelf stock. That is normal for point-specific security set screws — the range is deep and the security drive narrows demand — but it moves lead time to the front of the design decision: get the schedule quoted for your exact sizes before committing a maintenance window to them.
What should an RFQ for TX33 state?
State the designation (TX33 6-lobe pin TX dog point grub screw), thread size and length, material (steel, A2 or A4 stainless as standard), the pilot-hole diameter in the mating part (the dog point must engage it), quantity per size and required lead time — every metric pair is a to-order line per the collected matrix — plus your TX-series bit sizes. Imperial needs are quotation lines.
Related knowledge
- Thread-Forming vs Thread-Cutting vs Thread-Rolling Self-Tapping Screws: What the Evidence Settles on Base Material
- Screw Family Selection by Base Material: Wood, Machine and Self-Tapping Threads, Engagement and Coating
- Hex Bolts vs Socket Head Cap Screws: What the Evidence Settles on Strength, Clearance and Cost
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