5/8"-11x4",(PT) A307 GRADE B HEAVY HEX CAP SCREWS COARSE PLAIN (U.S.A)

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