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A finished, heat treated hex nut made from steel with a maximum carbon content of 0.55%, minimum manganese content of 0.30%, and a maximum sulfur content of 0.15% (Standard Grade 5 hex nut). For use with bolts with a minimum tensile strength equal to or less than 120,000 PSI. HN12C5
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🇺🇸 Ship from USA · On Agora since 2026
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