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The QA1 left-hand jam nut (1-1/4-12) is a steel locking nut sized for heavy threaded applications, featuring a 1 7/8" hex and 11/16" face width to clamp against mating fasteners. Use it to secure adjustments and prevent loosening on left-hand threads. QA1 offers this style in steel or aluminum, with standard and metric choices and clear-anodized finishes available for aluminum.
QA1 Jam Nut - 1-1/4-12 Left Hand - 1-7/8in Hex 11/16in Wide - Steel
