5/16"-18 UNC HEX NUTS COARSE STAIN A2 (18-8) (USA)

High‑quality 5/16"-18 UNC coarse‑thread hex nut, made in the USA from durable A2 (18‑8) stainless steel for excellent corrosion resistance, strength, and long‑lasting performance. Designed to pair with standard 5/16"-18 UNC bolts and screws, these nuts provide secure, dependable fastening for machinery, automotive, marine, construction, and general industrial applications.