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This QA1 right-hand jam nut kit contains six steel jam nuts with 5/8–18 threads, each sized with a 15/16-inch hex and 3/8-inch thickness for standard-thread applications. They function as locking nuts to secure mating fasteners and resist loosening. QA1 offers these in steel or aluminum with standard and metric options and clear-anodized finish; the six-piece set supplies extra threaded hardware for maintenance tasks.
QA1 Jam Nut - 5/8-18 Right Hand - 15/16 Hex 3/8in Wide - Steel - 6 Pack
