1 3/8 USS Flat Washer Med Carbon Through Hardened Plain Domestic USA - Carton (150)

When your project requires large, high-strength washers, our 1-3/8" USS Flat Washers are the solution. This bulk package of 150 washers is made in the U.S.A. from medium carbon steel and thru-hardened to ensure they can handle high-torque applications without compromise. The substantial bearing surface provided by the USS pattern is crucial for distributing loads effectively in heavy construction and industrial settings.