Hobson did you know flyer
316 Stainless DIN 433 Flat Round Washer WR16P4M: Metric Sizes (Did You Know)
Hobson's one-page "Did You Know" flyer for its metric 316 stainless flat round washer to DIN 433 (part WR16P4M). It lists 11 sizes from M2 to M20 with outside and inside diameter and thickness.
What this covers
- Sizes and dimensions
- Applications
- Features
For Flat Washer.
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Flat round washer in 316 stainless (A4), to DIN 433.
- 11 sizes from M2 to M20, part numbers WR16P4M02 to WR16P4M20.
- Examples: M3 is 6.0mm OD, 3.2mm ID, 0.5mm thick; M8 is 15.0mm OD, 8.4mm ID, 1.6mm thick; M20 is 34.0mm OD, 21.0mm ID, 3.0mm thick.
- Designed for use with cheese head screws.
- Smaller outside diameter than DIN 125A washers.
Who it helps: Anyone fitting stainless cheese head screws who wants a washer with a smaller OD than DIN 125A.
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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.