1‑1/8"-7 x 5‑1/2" Heavy Hex Cap Screw – A307 Grade B, Coarse Thread (PT), Zinc CR+3 (U.S.A.)

Heavy‑duty 1‑1/8"-7 x 5‑1/2" A307 Grade B heavy hex cap screw, proudly manufactured in the U.S.A. and finished with a Zinc CR+3 coating for enhanced corrosion resistance and long‑lasting durability in demanding construction and industrial environments. Features partial coarse threading (PT) for improved shear strength and secure load engagement, paired with a heavy hex head that provides increased wrenching area and superior load distribution. Ideal for structural connections, industrial machinery, heavy construction, anchoring applications, and any installation requiring strong, reliable hardware with additional corrosion protection.