Home / UNF Bolts, Nuts and Washers / Imp1/4 UNF Bolts, Nuts and Washers in Through (Thru) Hardened Bright Zinc Plated Steel

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Imperial Washers 1/4 inch in Through (Thru) Hardened Bright Zinc Plated Steel

This page lists all the various types of Imperial Washers 1/4 inch in Through (Thru) Hardened Bright Zinc Plated 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 2024

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 2024

Image	Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
	SAE Flat Washer 1/4 inch in Zinc Plated Through Hardened Steel WF28519			£0.00
	USS Flat Washer 1/4 inch in Zinc Plated Through Hardened Steel WF32446			£0.00

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SAE Flat Washer 1/4 inch in Zinc Plated Through Hardened Steel
WF28519

price

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breakdown

sale_qtys

USS Flat Washer 1/4 inch in Zinc Plated Through Hardened Steel
WF32446

price

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breakdown

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.