The HEX NUT UNC ZINC 9/16"-12 GR 8 is a high-quality finished hex nut manufactured from low carbon steel, providing exceptional strength and durability. Specifically designed to be used with grade 8 bolts, this nut ensures a reliable connection in various industrial applications. With a proof load of 150, it meets rigorous performance standards. The zinc finish offers added corrosion resistance, making it suitable for both indoor and outdoor environments. Ideal for demanding automotive and industrial settings.