Diameter: 1-3/8"
Diameter 2: 3"
Thickness: 11/64"
Material: Steel
Finish: Plain
Thread Type: USS
Hardness: Grade 2
Nominal Size: 11/64"
Type: Flat Washer
Box of 19.
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.