300+6Pcs M2 M2.5 M3 M4 M5 Brass Threaded Inserts, Metric Brass Knurled Nuts ...

【Precision Design for Secure Grip】High-precision threading prevents slippage during installation, while 45-degree spiral knurling boosts torque resistance and tensile strength. Built-in guides eliminate the need for countersinking—just insert and secure for a firm fit.

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