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The QA1 jam nut with right‑hand 1/4‑28 threads is a steel jam nut featuring a 7/16‑inch hex and a 5/32‑inch face, supplied in a five‑piece kit. The kit gives multiple low‑profile locking nuts for assemblies where several thin secondary nuts are needed. QA1 lists these jam nuts in steel or aluminum, with standard and metric thread options and clear‑anodized finishes available on aluminum versions.
QA1 Jam Nut - 1/4-28 Right Hand - 7/16in Hex 5/32in Wide - Steel - 5 Pack
