9/16 USS Flat Washer Med Carbon Through Hardened Plain Domestic USA - Carton (800)

Achieve superior load distribution with our premium 9/16" USS Flat Washers, available in a bulk quantity of 800. Produced in the USA, these washers are made from thru-hardened medium carbon steel for enhanced hardness and durability under high clamp loads. The plain finish and substantial USS outside diameter are perfect for applications requiring a broad, strong bearing surface to prevent material pull-through.