5/8"-11 x 1‑1/2" Heavy Hex Cap Screw – A307 Grade B, Coarse Thread (FT), Zinc CR+3 (U.S.A.)

High‑strength 5/8"-11 x 1‑1/2" A307 Grade B heavy hex cap screw, manufactured in the U.S.A. and finished with a Zinc CR+3 coating for enhanced corrosion resistance and dependable outdoor durability. Features full coarse threading (FT) for strong, consistent thread engagement, along with a heavy hex head that provides increased wrenching area and superior load distribution. Ideal for construction, structural assemblies, anchoring, equipment installation, and any application requiring reliable, high‑strength hardware with added corrosion protection.