Bulk USS Flat Washers – Medium Carbon Thru-Hardened, Plain Finish, Made in USA – Monster Bolts TEK Screws ✔️ Trusted by professionals in

✔️ Trusted by professionals in industrial and automotive sectors

The cone point delivers deep penetration and strong locking strength

Unslotted Hex Drive: Dedicated 3/8″ hex drive maximizes strength and deters tampering

General light-to-medium duty hollow wall anchoring

Cup point set screws provide strong holding power while minimizing surface damage

Bulk USS Flat Washers – Medium Carbon Thru-Hardened, Plain Finish, Made in USA – Monster Bolts TEK Screws ✔️ Trusted by professionals inMonster Overview Fix your project right the first time with USS Flat Washers Medium Carbon Thru Hardened, Plain Finish from Monster Bolts. These USA made USS pattern washers feature a larger outside diameter than SAE washers, making them ideal for construction, general fabrication, machinery repair, and heavy duty industrial applications. Built from medium carbon thru hardened steel, these washers provide a strong, consistent load bearing surface