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The QA1 left-hand jam nut (5/16-24) is a steel locking nut with a 1/2" hex and 3/16" face width, built to secure medium-thread left-hand fasteners by clamping against a mating nut or threaded rod. It prevents unwanted rotation in adjustment applications. QA1 offers this nut in steel or aluminum, with standard and metric options and clear-anodized aluminum finishes when applicable.
QA1 Jam Nut - 5/16-24 Left Hand - 1/2in Hex 3/16in Wide - Steel
