5/16"-18 x 1‑3/4" Hex Cap Screw – Coarse Thread (FT), 651 Silicon Bronze (USA, Inch)

Premium 5/16"-18 x 1‑3/4" hex cap screw, proudly manufactured in the USA from high‑quality 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 ensures secure wrenching grip and dependable fastening. Ideal for marine applications, electrical systems, woodworking, architectural hardware, and any environment requiring non‑magnetic, highly corrosion‑resistant bronze fasteners with extended grip length.