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QA1 metric jam nut is a sturdy steel locking nut for M12‑1.75 right‑hand threads, featuring a 19mm hex and 6mm thickness. It functions as a thin secondary nut to lock threaded assemblies and preserve preload in constrained spaces. QA1 offers these jam nuts in either steel or aluminum, with standard and metric options available; aluminum parts may be clear‑anodized for a treated finish.
QA1 Metric Jam Nut - M12-1.75 Right Hand - 19mm Hex 6mm Wide - Steel
