Home / UNF Bolts, Nuts and Washers / Imp3/8 UNF Bolts, Nuts and Washers in Through (Thru) Hardened Bright Zinc Plated Steel

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Imperial Washers 3/8 inch in Through (Thru) Hardened Bright Zinc Plated Steel

This page lists all the various types of Imperial Washers 3/8 inch in Through (Thru) Hardened Bright Zinc Plated 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

Image	Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
	SAE Flat Washer 3/8 inch in Zinc Plated Through Hardened Steel WF28521			£0.00
	USS Flat Washer 3/8 inch in Zinc Plated Through Hardened Steel WF32448			£0.00

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SAE Flat Washer 3/8 inch in Zinc Plated Through Hardened Steel
WF28521

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breakdown

sale_qtys

USS Flat Washer 3/8 inch in Zinc Plated Through Hardened Steel
WF32448

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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.