Diameter: 3/8"

Diameter 2: 7/8"

Thickness: 5/64"

Material: Stainless Steel

Finish: Polished

Hardness: 18-8

Style: USS Type

Type: Flat Washer

Box of 10. 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.