The QA1 left-hand jam nut kit (3/8-24) includes five aluminum jam nuts, each with a 9/16" hex and 7/32" face width for coarser left-hand thread applications. These nuts clamp against mating hardware to secure adjustments and prevent back-off. QA1 also provides steel equivalents, with standard and metric options and clear-anodized aluminum finishes available when specified.
QA1 Jam Nut - 3/8-24 Left Hand - 9/16in Hex 7/32in Wide - Aluminum - 5 Pack