7/16-20in UNF Grade 8 Hex Nut Yellow Zinc
$0.42
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A finished, heat treated hex nut made from steel with maximum carbon content of 0.55%, minimum manganese content of 0.30%, and a maximum sulfur content of 0.05% (standard Grade 8 hex nut). The manufacturer of the nuts may agree to allow a sulfur content of .33% maximum provided that the manganese content is at least 1.35%. For use with bolts with a minimum tensile strength equal to or less than 150,000 PSI. HN716F8
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