Perma-Coil #3221-M12C Thread Repair Kit M12 x 1 Thread Size
3221-M12C- Thread Size M12 x 1
- Includes Tap. Coil Installation Tool & Inserts
- Use Drill Size 31/64" (Not Included)
- Coil Length 18mm
- Number of Inserts 6
- Helically coiled stainless steel inserts
- Fast, economical & permanent
- Restores threads to original size