5/8"-11 x 2‑3/4" Heavy Hex Cap Screw – A307 Grade B, Coarse Thread (PT), Zinc CR+3 (U.S.A.)

High‑strength 5/8"-11 x 2‑3/4" A307 Grade B heavy hex cap screw, manufactured in the U.S.A. and finished with a Zinc CR+3 coating for improved corrosion resistance and dependable performance in demanding environments. Features partial coarse threading (PT) for enhanced shear strength and secure load engagement, along with a heavy hex head that offers increased wrenching area and superior load distribution. Ideal for construction, industrial assembly, structural connections, anchoring, and any application requiring reliable, high‑strength hardware with added corrosion protection.