Midwest Fastener 5/16 in.-18 Coarse Hex Nut, 16-Pack

These Midwest Fastener 5/16 in.-18 coarse hex nuts provide strong, reliable holding power for a wide range of fastening and assembly applications. Engineered with precision coarse threading, they thread smoothly onto compatible bolts and threaded rods. Constructed from high-quality 18-8 grade stainless steel, these hex nuts offer superior resistance to rust and corrosion, making them well-suited for outdoor, marine, and harsh environments. The standard hexagonal design ensures a secure grip with common wrenches and sockets.