The HEX NUT UNF ZINC 7/8"-14 GR 5 is a finished hex nut crafted from low carbon steel, providing strength and durability for demanding industrial use. Designed specifically for compatibility with grade 5 bolts, it offers a proof load of 109, making it suitable for a wide range of fastening applications. Its zinc plating enhances corrosion resistance, ensuring long-lasting performance in harsh environments. Ideal for automotive and industrial assembly, this hex nut meets quality standards for reliable connections.