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    Hex Nut – 5/16″-18 – Grade 8 – Zinc Plated – Heavy-Duty Fasteners

    Part #: HNC8-5/16

    Grade 8 hex nut with 5/16″-18 UNC threads for secure, high-strength fastening. Zinc-plated finish provides corrosion resistance and durability for automotive, industrial, and construction applications requiring reliable performance.