1"-8 x 6" Heavy Hex Cap Screw – A307 Grade B, Coarse Thread (PT), Zinc CR+3 (U.S.A.)

Heavy‑duty 1"-8 x 6" A307 Grade B heavy hex cap screw, manufactured in the U.S.A. and finished with a protective Zinc CR+3 coating for superior corrosion resistance and long‑lasting durability in demanding construction and industrial environments. Features partial coarse threading (PT) for increased shear strength and secure load engagement, paired with a heavy hex head that provides expanded wrenching area and excellent load distribution. Ideal for structural connections, heavy‑duty construction, industrial machinery, anchoring applications, and any installation requiring strong, reliable hardware with added corrosion protection.