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This QA1 left-hand jam nut kit includes five steel jam nuts with 1/2–20 threads, each sized with a 3/4-inch hex and 5/16-inch thickness for reversed-thread applications. These jam nuts lock against rotation when used with mating fasteners. Available from QA1 in steel or aluminum and offered with standard and metric choices plus clear-anodized finish, the five-pack helps keep spare hardware on hand.
QA1 Jam Nut - 1/2-20 Left Hand - 3/4in Hex 5/16in Wide - Steel - 5 Pack
