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The QA1 right-hand jam nut with 5/8–18 threads is a steel locking nut sized with a 15/16-inch hex and 3/8-inch thickness for standard-thread uses. It secures a mating fastener to prevent rotation. QA1 offers this style in steel or aluminum and supplies standard and metric options plus clear-anodized finish; sold individually to provide a robust locking nut for threaded assemblies and maintenance.
QA1 Jam Nut - 5/8-18 Right Hand - 15/16 Hex 3/8in Wide - Steel
