Hobson did you know flyer
Hot Dip Galvanised Sampson Flat Round Washer WR43G: Imperial Sizes (Did You Know)
Hobson's one-page "Did You Know" flyer announcing the hot dip galvanised Sampson flat round washer (part WR43G). It lists seven imperial sizes from 1/2" to 1-1/4" with outside and inside diameter and minimum and maximum 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, hot dip galvanised, complies with ASTM F436, hardness 26 to 45 HRC.
- Seven imperial sizes, 1/2" to 1-1/4", part numbers WR43G050 to WR43G125.
- Examples: 1/2" is 27.8mm OD, 14.3mm ID; 3/4" is 38.1mm OD, 21.5mm ID; 1-1/4" is 65.1mm OD, 36.5mm ID.
- Thickness is given as a range: 2.5 to 4.5mm for 1/2", 3.1 to 4.5mm for 5/8" and 3/4", 3.5 to 4.5mm for 7/8" and up.
- For use with high tensile Grade 5 and above fasteners.
- Suitable for hot dip galvanised imperial stud bolts.
Who it helps: Anyone fitting galvanised imperial stud bolts or Grade 5 and above bolts who needs an ASTM F436 washer.
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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.