5/16"-18 x 2‑1/4" Hex Cap Screw – Coarse Thread (PT), A2 (18‑8) Stainless Steel (USA)

High‑quality 5/16"-18 x 2‑1/4" hex cap screw, manufactured in the USA from durable, corrosion‑resistant A2 (18‑8) stainless steel for long‑lasting strength and performance. Features partial coarse threading (PT) for improved shear strength and secure load engagement, along with a precision‑formed hex head that provides strong wrenching grip and reliable fastening. Ideal for machinery, construction, marine environments, maintenance applications, and industrial uses requiring rust‑resistant hardware with an extended grip length.