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Hobson data sheet

Post Torx Button Head Barrel Nut, 304 Stainless Tamper Proof: Sizes Data Sheet

Two-page product data sheet for the 304 stainless post Torx button head barrel nut, part prefix INB04BTM. It covers uses, features, dimensions for M5 to M10, and a three-step installation guide.

What this covers

  • Applications and features
  • Dimensions and part numbers
  • Installation

For Barrel Nut.

Key things to remember

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

  • An internally threaded button head nut that replaces a standard nut in timber and steel connections. The pin in the drive gives a level of security for fixings in public areas.
  • Uses listed: timber connections, playground equipment, furniture, and replacing the nut on masonry fixings. It can also bridge or close a gap between two parts.
  • 304 stainless steel. Drive sizes: M5 T25, M6 T30, M8 T40, M10 T45.
  • Seven sizes from M5 x 10 (INB04BTM050010) to M10 x 28 (INB04BTM100028). For example M8 x 16: 17.07 to 17.50mm head, 9.70 to 9.95mm barrel, 9.50 to 11.00mm thread length.
  • To fit: pass the bolt or screw through the hole, screw the barrel nut onto it, then tighten the barrel nut. The matching button screws are Hobson part IMS04BTM.

Who it helps: Builders and installers of playgrounds, park furniture and public fit-outs who need a tamper proof, matching-head fixing.

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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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