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Westfield Fasteners Ltd Telephone: 01844201133, Email: enquiries@westfieldfasteners.co.uk
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Imperial Washers 3/8 inch in A2 Stainless Steel

This page lists all the various types of Imperial Washers 3/8 inch in A2 Stainless Steel that we currently offer. Use this page to help select suitable washers for 3/8 inch UNC or UNF bolts or screws.

The accompanying flat washer dimension table allows convenient comparison between the available 3/8 flat washer dimensions. The table only includes flat washers and, for completeness, may include washers only available in other materials.
3/8 Flat Washer Dimensions (inch)
Type inner
diameter
outer
diameter
thickness
Table 3
BS 3410
0.390-0.395 0.745-0.750 0.048
SAE
ASME B18.21.1-1999
0.406 0.812 0.062
USS
ASME B18.21.1-1999
0.438 1.000 0.083
Commercial 0.416-0.399 0.885-0.870 0.045-0.055
US Military
Spec 15795 v1
0.406 0.812 (13/16") 0.065
US Military
Spec 15795 v2
0.438 1.000 (1") 0.083
Fender v1 3/8 1 1/4 0.05
Fender v2 3/8 1 1/2 0.05
Fender v3 3/8 2 0.05
Westfield Fasteners Ltd 2024
3/8 Flat Washer Dimensions (inch)
Type inner
diameter
outer
diameter
thickness
Table 3
BS 3410
0.390-0.395 0.745-0.750 0.048
SAE
ASME B18.21.1-1999
0.406 0.812 0.062
USS
ASME B18.21.1-1999
0.438 1.000 0.083
Commercial 0.416-0.399 0.885-0.870 0.045-0.055
US Military
Spec 15795 v1
0.406 0.812 (13/16") 0.065
US Military
Spec 15795 v2
0.438 1.000 (1") 0.083
Fender v1 3/8 1 1/4 0.05
Fender v2 3/8 1 1/2 0.05
Fender v3 3/8 2 0.05
Westfield Fasteners Ltd 2024
Prices are subject to quantity discounts based on a sliding scale. Enter the desired quantity in the relevant box in the table above. This will automatically calculate a line price indicating the applicable rate for the quantities selected. All prices shown exclude VAT.
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