7/8"-9 x 4‑1/2" Heavy Hex Cap Screw – A307 Grade B, Coarse Thread (PT), Plain (USA)

Heavy‑duty 7/8"-9 x 4‑1/2" A307 Grade B heavy hex cap screw, manufactured in the USA with a plain, uncoated steel finish for dependable strength and durability in industrial, construction, and structural applications. Features partial coarse threading (PT) for enhanced shear strength and a heavy hex head designed to provide increased wrenching area and superior load distribution. Ideal for demanding fastening applications requiring consistent quality, high‑strength performance, and long‑lasting reliability.