Böllhoff 13 piece M20 x 2.5 Thread Repair Kit

HELICOIL® plus metric repair kits. Metric ISO thread repair kit. These kits contain 10 threaded inserts, a drill bit (up to M12), a precision tap, an HSS tap, a fitting tool (up to M12), all supplied in one case. Ideal in situations where a thread has been stripped and there is no plan to increase the diameter of the screw. A simple repair is made by fitting a HELICOIL insert using the tool provided and a tap wrench or other tool used to create standard threads.