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The QA1 left-hand jam nut kit (1/4-28) includes six steel jam nuts, each with a 7/16" hex and 5/32" face width, designed to lock fine-thread left-hand fasteners and secure adjustments by bearing against a companion nut or rod. QA1 supplies these jam nuts in steel or aluminum, with both standard and metric sizing and clear-anodized aluminum finishes offered where specified.
QA1 Jam Nut - 1/4-28 Left Hand - 7/16in Hex 5/32in Wide - Steel - 6 Pack
