Bulk F436 Structural Flat Washers – Plain Finish, Inch Sizes, Made in USA – Monster Bolts Size:300 Qty - 1-1/8" The bonded EPDM washer is

The bonded EPDM washer is specially engineered to prevent leaks by forming a watertight seal

making it perfect for professionals and DIY enthusiasts alike

Bulk Packs: Cost-effective for industrial and large-scale use

fully threaded screws are perfect for threading into pre-drilled holes in thicker metal

Origin: 100% Made in USA for consistent manufacturing and traceability

Bulk F436 Structural Flat Washers – Plain Finish, Inch Sizes, Made in USA – Monster Bolts Size:300 Qty - 1-1/8" The bonded EPDM washer isMonster Overview Fix your project right the first time with F436 Structural Flat Washers Plain Finish from Monster Bolts. These USA made structural washers are manufactured to ASTM F436 and built for demanding high strength bolted connections in structural steel, construction, bridge work, and heavy equipment. F436 structural flat washers provide a hardened, reliable bearing surface under bolt heads and nuts, helping distribute load and protect