5/16"-18 x 3" Hex Cap Screw – Coarse Thread (PT), A2 (18‑8) Stainless Steel (USA)

Durable 5/16"-18 x 3" hex cap screw, manufactured in the USA from corrosion‑resistant A2 (18‑8) stainless steel for long‑lasting strength and reliability. Features partial coarse threading (PT) for improved shear strength and proper load engagement, along with a precision‑formed hex head that ensures secure wrenching and dependable fastening. Ideal for machinery, construction, marine environments, maintenance, and industrial applications requiring high‑strength, rust‑resistant hardware with extended grip length.