50pcs Thread Repair Installation Kit Stainless Steel Helicoil Type Set (M3 x 2D) M3 x 2D hidden 6 L x 16H x13

6 L x 16H x13

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50pcs Thread Repair Installation Kit Stainless Steel Helicoil Type Set (M3 x 2D) M3 x 2D hidden 6 L x 16H x1350pcs Thread Repair Installation Kit Stainless Steel Helicoil Type Set (M3 x 2D) Product Features FunctionsSteel thread inserts used in low strength materials such as aluminum, , can avoid thread damage and get a good connection performance, to enhance connection strength and improve connection condition. ApplicationsUsed for parts that requires frequent removing, it can greatly improve service life and wear resistance of screw thread. to useIt can