Washer forms run from A to F, where the form type refers to the outside diameter and thickness of the flat washers.
BS4320 washer forms A to D are typically supplied self-finish in a range of metals including steel alloys, brass and copper.
Form A washers: Normal diameter, normal thickness
Form B washers: Normal diameter, light thickness
Form C washers: Large diameter, normal thickness
Form D washers: Large diameter, light thickness
Available from stock with specials made to order.
We also supply washer forms E & F.
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Fastenright is consulted before specifying.
Fastenright hasn't formatted technical specifications for Washers Forms A B C D yet. Request Technical Information
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