Hobson data sheet
316 Stainless Secure Ring: Sizes and Installation Data Sheet
Hobson's two-page product data sheet for the 316 stainless secure ring, part series IRS16PDM. It explains what the ring does, lists five sizes from M6 to M16 with their dimensions, and shows the four fitting steps.
What this covers
- Description
- Applications
- Dimensions
- Installation steps
For Secure Ring.
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- A secure ring goes over an installed bolt head or nut and gives permanent tamper-proof security.
- Fits over the hex of DIN 931 hex bolts, DIN 933 hex set screws and DIN 934 hex nuts.
- Material AISI 316/A4 stainless steel.
- Five sizes: M6, M8, M10, M12 and M16, part numbers IRS16PDM06 to IRS16PDM16.
- To fit: install the fastener first, centre the ring over the head or nut, then hit the top of the ring with a mallet until it sits flush. The mallet deforms the ring onto the hex.
Who it helps: Anyone who needs installed bolts or nuts to be tamper-proof.
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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.