The HEX NUT UNC ZINC 3/8"-16 GR 8 is designed to securely fasten grade 8 bolts, ensuring robust performance in high-stress applications. Constructed from low carbon steel, it features a zinc finish that provides superior corrosion resistance, making it ideal for industrial and automotive use. With a proof load of 150, this nut is engineered to withstand demanding conditions while maintaining structural integrity. Suitable for a variety of assembly and fastening projects, it meets industry standards for reliability and durability.