5/8"-11 x 2‑1/4" Heavy Hex Cap Screw – A307 Grade B, Coarse Thread (PT), Plain (USA)

High‑strength 5/8"-11 x 2‑1/4" A307 Grade B heavy hex cap screw, proudly made in the USA with a plain, uncoated steel finish for reliable performance in construction, structural, and industrial applications. Features partial coarse threading (PT) for added shear strength and a heavy hex head that provides increased wrenching area and improved load distribution. Ideal for demanding fastening applications requiring dependable durability and consistent quality.