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This QA1 right-hand jam nut kit includes six aluminum jam nuts with 5/8–18 threads, each machined with a 15/16-inch hex and 3/8-inch thickness for standard-thread applications. They serve as locking nuts when paired with mating fasteners to resist loosening. QA1 offers steel or aluminum options with standard and metric selections and clear-anodized finish; the six-pack provides extra hardware for projects.
QA1 Jam Nut - 5/8-18 Right Hand - 15/16in Hex 3/8in Wide - Aluminum - 6 Pack
