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QA1 metric jam nut is a low‑profile steel locking nut for M12‑1.25 right‑hand threads, with a 19mm hex and 6mm thickness. It provides a compact locking solution to secure nuts and bolts where extra locking is needed without added bulk. QA1 makes these jam nuts in steel or aluminum and supports both standard and metric sizes; aluminum options can be supplied with a clear anodized finish.
QA1 Metric Jam Nut - M12-1.25 Right Hand - 19mm Hex 6mm Wide - Steel
