1 1/8 USS Flat Washer Med Carbon Through Hardened Plain Domestic USA - Carton (200)

Secure your largest assemblies with our heavy-duty 1-1/8" USS Flat Washers, offered in a bulk box of 200. These washers are domestically produced from thru-hardened medium carbon steel, providing the exceptional hardness needed for high-strength bolting applications. The plain finish and broad USS pattern ensure maximum surface contact and superior load distribution in structural engineering and heavy machinery.