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The QA1 left-hand jam nut with 7/16–20 threads is an aluminum locking nut sized with an 11/16-inch hex and 1/4-inch thickness for reversed-thread applications. It secures against rotation when paired with a mating fastener. QA1 offers standard and metric options and this style is available in aluminum or steel with clear-anodized finish; sold individually for threaded hardware needs.
QA1 Jam Nut - 7/16-20 Left Hand - 11/16in Hex 1/4in Wide - Aluminum
