FCH News

4 1/2 Flat Washers (ASME B18. 22.1)

Flat Washers, or just Plain Washers, are a flat annulus or ring, often of metal, used to spread the load from the head of a screwed fastening to the base material. Flat washers are used to increase the bearing surface of a nut or fastener's head thus spreading the clamping force over a larger area.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
SIIINFlat WasherNylon (Polyamide)Plain4 1/2 x 5 1/24-1/2 x 5-1/2 x 3/16 microfine softback sponge b18.22.15
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