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Imperial Washers 1/4 inch in Bright Zinc Plated (BZP) Steel

This page lists all the various types of Imperial Washers 1/4 inch in Bright Zinc Plated (BZP) Steel that we currently offer. Use this page to help select suitable washers for 1/4 inch UNC or UNF bolts or screws.

The accompanying flat washer dimension table allows convenient comparison between the available 1/4 flat washer dimensions. The table only includes flat washers and, for completeness, may include washers only available in other materials.
1/4 Flat Washer Dimensions (inch)
Type inner
diameter		 outer
diameter		 thickness
Table 3
BS 3410		 0.265-0.270 0.557-0.562 0.036
SAE
ASME B18.21.1-1999		 0.281 0.625 0.062
USS
ASME B18.21.1-1999		 0.312 0.734 0.065
Commercial 0.291-0.276 0.635-0.620 0.045-0.055
NAS620 0.255 0.468 0.063
US Military
Spec 15795 v1		 0.281 0.625 (5/8") 0.065
US Military
Spec 15795 v2		 0.312 0.734 (3/4") 0.065
Fender v1 1/4 1 0.05
Fender v2 1/4 1 1/4 0.05
Fender v3 1/4 1 1/2 0.05
Fender v4 1/4 2 0.05
Westfield Fasteners Ltd 2025
1/4 Flat Washer Dimensions (inch)
Type inner
diameter		 outer
diameter		 thickness
Table 3
BS 3410		 0.265-0.270 0.557-0.562 0.036
SAE
ASME B18.21.1-1999		 0.281 0.625 0.062
USS
ASME B18.21.1-1999		 0.312 0.734 0.065
Commercial 0.291-0.276 0.635-0.620 0.045-0.055
NAS620 0.255 0.468 0.063
US Military
Spec 15795 v1		 0.281 0.625 (5/8") 0.065
US Military
Spec 15795 v2		 0.312 0.734 (3/4") 0.065
Fender v1 1/4 1 0.05
Fender v2 1/4 1 1/4 0.05
Fender v3 1/4 1 1/2 0.05
Fender v4 1/4 2 0.05
Westfield Fasteners Ltd 2025
Image Description Sale Qtys Qty Price Breakdown Despatch Estimate
Fender Washer 1/4 x 1 od in Zinc Plated Steel
WF29271		 £0.00
Fender Washer 1/4 x 1-1/4 od in Zinc Plated Steel
WF29272		 £0.00
Fender Washer 1/4 x 1-1/2 od in Zinc Plated Steel
WF29273		 £0.00
Fender Washer 1/4 x 2 od in Zinc Plated Steel
WF29275		 £0.00
1/4 SAE Flat Washer inch in Zinc Plated Steel
WF39011		 £0.00
1/4 Shakeproof Lock Washer External Tooth inch in Zinc Plated Steel
WF29205		 £0.00
1/4 Spring Washer inch in Zinc Plated Steel
WF28592		 £0.00
1/4 USS Flat Washer inch in Zinc Plated Steel
WF32456		 £0.00
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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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