1 3/8" USS Flat Washer, Thru Hardened, Plain

• 

The 1 3/8" USS Flat Washer is manufactured to the USS standard pattern, ensuring consistent dimensions and compatibility with standard USS fasteners. This pattern specifies the washer"s inner diameter, outer diameter, and thickness for proper load distribution and fit. Made from thru-hardened steel, the washer offers enhanced strength and durability for demanding applications. They are available in a plain, uncoated finish which is best for indoor use where corrosion resistance is not required.