Home / UNF Bolts, Nuts and Washers / Imp1/2 UNF Bolts, Nuts and Washers in Through (Thru) Hardened Bright Zinc Plated Steel

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Imperial Washers 1/2 inch in Through (Thru) Hardened Bright Zinc Plated Steel

This page lists all the various types of Imperial Washers 1/2 inch in Through (Thru) Hardened Bright Zinc Plated Steel that we currently offer. Use this page to help select suitable washers for 1/2 inch UNC or UNF bolts or screws.

The accompanying flat washer dimension table allows convenient comparison between the available 1/2 flat washer dimensions. The table only includes flat washers and, for completeness, may include washers only available in other materials.

1/2 Flat Washer Dimensions (inch)
Type	inner diameter	outer diameter	thickness
Table 3 BS 3410	0.515-0.520	0.995-1.000	0.056
SAE ASME B18.21.1-1999	0.531	1.062	0.093
USS ASME B18.21.1-1999	0.562	1.375	0.109
Commercial	0.573-0.558	1.260-1.245	0.057-0.067
US Military Spec 15795 v1	0.531	1.062 (1 1/16")	0.095
US Military Spec 15795 v2	0.562	1.375 (1 3/8")	0.109
Fender v1	1/2	1 1/4	0.05
Fender v2	1/2	1 1/2	0.05
Fender v3	1/2	1 3/4	0.05
Fender v4	1/2	2	0.05
Westfield Fasteners Ltd 2024

1/2 Flat Washer Dimensions (inch)
Type	inner diameter	outer diameter	thickness
Table 3 BS 3410	0.515-0.520	0.995-1.000	0.056
SAE ASME B18.21.1-1999	0.531	1.062	0.093
USS ASME B18.21.1-1999	0.562	1.375	0.109
Commercial	0.573-0.558	1.260-1.245	0.057-0.067
US Military Spec 15795 v1	0.531	1.062 (1 1/16")	0.095
US Military Spec 15795 v2	0.562	1.375 (1 3/8")	0.109
Fender v1	1/2	1 1/4	0.05
Fender v2	1/2	1 1/2	0.05
Fender v3	1/2	1 3/4	0.05
Fender v4	1/2	2	0.05
Westfield Fasteners Ltd 2024

Image	Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
	SAE Flat Washer 1/2 inch in Zinc Plated Through Hardened Steel WF28523			£0.00
	USS Flat Washer 1/2 inch in Zinc Plated Through Hardened Steel WF32450			£0.00

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SAE Flat Washer 1/2 inch in Zinc Plated Through Hardened Steel
WF28523

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breakdown

sale_qtys

USS Flat Washer 1/2 inch in Zinc Plated Through Hardened Steel
WF32450

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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.