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Hobson did you know flyer

Socket Button Post Torx Security Screw, 304 Stainless: Sizes (Did You Know)

A one-page Did You Know flyer for Hobson's socket button head screw with a post Torx (pin-in Torx) security drive in 304 stainless, part prefix IMS04BTM. It lists the sizes, the Torx bit for each size and the matching bits and keys.

What this covers

  • Sizes and Torx bit sizes
  • Bits and keys
  • Applications
  • Features

For Security / Tamper-Resistant Screw.

Key things to remember

The essentials from this document in plain words. Check the full document before you rely on a figure.

  • 304 stainless steel (A2), HEC security range, fully threaded, with a Torx drive that has a security pin.
  • Sizes M3 to M10. Lengths: M3 6mm to 20mm, M4 6mm to 30mm, M5 10mm to 60mm, M6 10mm to 50mm, M8 16mm to 80mm, M10 16mm to 50mm.
  • Torx bit size by diameter: M3 T10, M4 T20, M5 T25, M6 T30, M8 T40, M10 T45.
  • Driven with the matching post Torx security socket bits (ISBPT) or keys (ISKPT), T10 to T45.
  • Listed uses: outdoor play equipment, fixings in public facilities, and trains and buses.

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This document is published by Hobson Engineering, who supply this range to us. We show it here in full so you can read it next to the product; the summary above is ours. Read it on this page or download the PDF. For the most current version, ask us.
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