Bulk USS Flat Washers – Medium Carbon Thru-Hardened, Plain Finish, Made in USA – Monster Bolts TEK Screws Reliable Supply: Stay on schedule

Reliable Supply: Stay on schedule with inventory ready to ship

Drive: Internal 6-lobe (Torx T8) resists cam-out and transfers higher torque than Phillips or slotted drives

Mounting brackets or furring strips to masonry

✔️ Trusted by professionals in industrial and automotive sectors

Bulk USS Flat Washers – Medium Carbon Thru-Hardened, Plain Finish, Made in USA – Monster Bolts TEK Screws Reliable Supply: Stay on scheduleMonster 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