Professional thread repair kit for commercial or own occasional / home use M12 x 1.5mm thread repair kitMetric thread repair kit / setSuitable for repairing stripped, damaged or corroded internal threadsProtects tapped threads against wear and damageCreates a stronger internal thread in soft materials Permanent repair to worn and damaged threadsStainless steel helicoil for maximum strength and durabilityStainless steel so wont rust and rotEasy and simple to useDue to the narrow and exact tolerances the new thread is normally strongerSIMPLE TO USE1.DRILLING – Clear the damaged thread with a standard drill – the kit includes the correct size drill2. CHECK – Check that the thread and pitch of the tap and the bolt match3.TAPPING – Use the special V-coil taps for cutting the holding thread into the cleared hole. It is recommended to use a suitable cutting oil4.INSTALL THE INSERT – place insert on installation tool and position the adjustable ring so that the insert tang is centred on the tang slot. Wind the insert in with a light downward pressure until half a turn below the surface5.TANG REMOVAL – after finishing remove the installation tool and use the tang break tool to remove the tangSET INCLUDES THE FOLLOWING•1 x HSS Drill Bit •1 x HSS thread tap•1 x insert installation tool•1 x tang breaking tool•1 x 2mm hex key•10 x M12 x 1.5mm X 16.3mm insertsComes in a blow molded case for easy storage and transportation.