Diameter: 1-1/4"
Diameter 2: 2-3/4"
Thickness: 11/64"
Material: Steel
Finish: Yellow Zinc
Thread Type: USS
Hardness: Grade 8
Nominal Size: 1-1/8"
Type: Flat Washer

Box of 5.

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.