SENNMONN M12X1 75 Thread Counterbore Installation Review

Kit include Drill *1,counterbore *1, tap *1,Tap Guide*1,install driver *1,M12x1.75x12mm inserts *5. Solid steel insert made insert creates stronger internal thread and much stronger and durable than helicoil. Special design counterbore is used to cut a recessed lip which takes the flange of the inserts.Makes your work much better. Our Thread Repair kit is Used to Repair or Replace Damaged or Stripped Internal Screw Threads.Suitable for engine repair and other automotive applications.Repair ruined threads once for all.