3/8" x 1.000" OD Low Carbon Hot Dipped Galvanized Finish Steel USS General Purpose Flat Washer
Flat washers are used typically under the head of a bolt or a nut to distribute the forces applied when tightening. USS and SAE washers are designed for cap screws and other threaded products. Galvanized plating protects the bolt from corrosion; typically used in outdoor applications.