1 1/4 SAE Flat Washer Med Carbon Through Hardened Plain Domestic USA – Carton (250)

1 1/4 SAE Flat Washer Med Carbon Through Hardened Plain Domestic USA – Carton (250)SAE Flat Washers, Medium Carbon, Through-Hardened, Plain Finish – Domestic USA.E5 These premium washers deliver **superior strength and durability for demanding applications. Manufactured from medium carbon steel and through-hardened to resist deformation, they ensure reliable load distribution and maintain fastener integrity under high stress. The plain, unplated finish is ideal for natural steel aesthetics or field finishing. 100% domestically produced for guaranteed quality and supply chain confidence. Essential for critical, high-stress assemblies in automotive, heavy machinery, and construction where American-made reliability is paramount.