1 1/8" USA F436 Structural Flat Washers – Zinc CR+3 (Inch)

Achieve maximum durability and load stability in structural bolted assemblies with premium 1 1/8" USA‑made F436 structural flat washers. Manufactured to strict ASTM F436 specifications, these heavy‑duty washers ensure proper load distribution for high‑strength bolts used in construction, bridgework, and steel fabrication. The advanced Zinc CR+3 plating delivers enhanced corrosion resistance, providing long‑lasting protection and dependable performance in demanding industrial and outdoor environments.