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This QA1 left-hand jam nut kit includes five aluminum jam nuts with 1/2–20 threads, each finished with a 3/4-inch hex and 5/16-inch thickness for reversed-thread applications. The nuts lock against rotation when used with mating fasteners. QA1 lists similar options in steel or aluminum with standard and metric choices and clear-anodized finish, supplying a compact multi-piece kit for threaded assemblies.
QA1 Jam Nut - 1/2-20 Left Hand - 3/4in Hex 5/16in Wide - Aluminum - 5 Pack
