Diameter: 5/16"
Diameter 2: 11/16"
Thickness: 1/16"
Material: Silicon Bronze
Nominal Size: 1/4"
Type: Flat Washer

Box of 8.

A flat washer is a thin, usually round, plate with a hole in the middle that is normally used to distribute the load of a threaded fastener. USS flat washers have a large, wider body. SAE flat washers are machined to a tighter specification and have a smaller outside diameter.