Nominal Size: 1/4"
Inside Diameter: 1/4"
Outside Diameter: 5/8"
Thickness: 3/64"
Material: Stainless Steel
Hardness: 316
Type: Flat Washer
Box of 20.
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.
