The QA1 right-hand jam nut with 3/4–16 threads is an aluminum locking nut sized with a 1-1/8-inch hex and 7/16-inch thickness for standard-thread applications. It helps secure a mating fastener to reduce rotation and loosening. QA1 lists this style in steel or aluminum and provides standard and metric options plus clear-anodized finish; sold individually to support threaded hardware assemblies and repair work.
QA1 Jam Nut - 3/4-16 Right Hand - 1-1/8in Hex 7/16in Wide - Aluminum