5/16"-18 x 2‑1/2" Hex Cap Screw – Coarse Thread (FT), 651 Silicon Bronze (USA, Inch)

High‑quality 5/16"-18 x 2‑1/2" hex cap screw, manufactured in the USA from premium 651 silicon bronze for exceptional corrosion resistance, excellent mechanical strength, and long‑lasting durability. Features full coarse threading (FT) for strong, consistent thread engagement, paired with a precision‑machined hex head that provides secure wrenching grip and dependable fastening. Ideal for marine environments, electrical systems, woodworking, architectural installations, and any application requiring non‑magnetic, highly corrosion‑resistant bronze fasteners with extended grip length.