1 1/2 USS Flat Washer Med Carbon Through Hardened Plain Domestic USA - Carton (100)

For large-scale structural connections, trust the performance of our 1-1/2" USS Flat Washers, supplied in a 100-piece bulk box. Manufactured in the USA from thru-hardened medium carbon steel, these heavy-duty washers provide a hardened, reliable bearing surface for high-strength bolts and nuts. Their plain finish and extensive USS pattern offer maximum load distribution to maintain joint integrity under severe stress.