131 PCS Helicoil Thread Repair Kit Metric Rethread Tool M5 M6 M8 M10 M12

Sizes: M5, M6, M8, M10, M12. The professional thread repair kit includes 5 sets, for most common sizes M5, M6, M8, M10, M12. Step 2: Drill the hole with a supplied tap. Tap fixed threads into cleaned holes with a special V-coil tap;.