1/4-28 Grade 8 Finished Hex Nut Yellow Zinc Plated Domestic USA - Bulk (8000) delivers high strength and corrosion resistance for demanding applications. Made from heat-treated alloy steel and manufactured to SAE J995 Grade 8 standards, these nuts provide a proof load of 150,000 psi and superior tensile strength. The yellow zinc plating enhances corrosion resistance while offering a professional finish. Proudly made in the USA, these nuts ensure reliable performance for construction, machinery, and industrial use.