
131 Pcs Engine Block Restoring Damaged Thread Repair Tool Kit M5 M6 M8 M10 M12 Professional
[xlmodel]-[custom]-[8888] Damaged Thread Repair Tool Kit M5 M6 M8 M10 M12 Manufactured from chrome vanadium steel for strength and durability. Ideal for restoring damaged threads in steel, cast, iron and aluminum. Suitable for engine repair and other automotive applications. Drilling - clear the damaged threads with a standard drill. (to repair a spark plug thread no pre-drilling is necessary if using the special spark plug tap), please pay attention that for fluteless taps bigger holes are required. Check - check that the thread and pitch of the tap and the bolt match. Tapping - use the special taps for cutti