5/8"-11 x 3‑1/4" Hex Cap Screw – Coarse Thread (PT), A2 (18‑8) Stainless Steel (USA)

Heavy‑duty 5/8"-11 x 3‑1/4" hex cap screw, manufactured in the USA from corrosion‑resistant A2 (18‑8) stainless steel for exceptional durability, strength, and long‑term reliability. Features partial coarse threading (PT) for improved shear strength and secure load engagement. The precision‑machined hex head provides excellent wrenching grip and consistent fastening performance. Ideal for structural applications, machinery, marine environments, construction, maintenance operations, and industrial installations requiring rust‑resistant, high‑strength hardware with extended grip length.