1/2 USS Flat Washer Med Carbon Through Hardened Plain Domestic USA - Carton (1000)

Fortify your bolted joints with our 1/2" USS Flat Washers, sold in a bulk box of 1,000. These American-made washers are engineered from thru-hardened medium carbon steel to provide exceptional strength and prevent loosening in high-stress environments. The wide bearing surface of the USS pattern effectively distributes the fastener's load, protecting the mating material from damage, making them indispensable for structural steel work and heavy equipment.