60Pcs Stripped Thread Rethread Helicoil Repair Insert Kit-Set Metric M3-Kit

60Pcs Silver for M3- Stainless Steel Thread Repair Insert Kit For Hardware Repair. Size: for M3-. 10 M3x0.5x2D Thread Repair Insert. The locking type wire screw sleeve can lock the screw into the threaded hole, so that the screw is not loose when subjected to shock vibration.

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