12pcs Thread Repair Kit Zinc Plated Carbon steel M8 x 1.25 Self Tapping Inserts Twisted Drill Installation Tool Set for Automotivethread cutter

Functions : This self tapping screws have self tapping ability so that the base material does not need to be tapped beforehand , and they also have the repairing function and a maintenance effect for the damaged thread Widely Applied : The Thread Repair Tool Kit can be widely used in automobiles , rail car , military supplies , ships , home appliances , construction machinery , communication equipment , electronic products , engineering plastics , metal die castings , etc . Excellent Working Performance : The self tapping thread inserts have strong resistance to vibration so as to prevent loosening . The thread inserts are simpler , more convenient and to install than ordinary steel wire screw sleeve Reusable & Eco Friendly : The hardness of the wire screw is higher than the screw , so it has little wear and tear in connection with screw , and can be used repeatedly . The wear resistant Thread Repair kit can be used for frequent disassembly , it can greatly improve the life of thread Regulatory Compliance : This screw sleeve set is entitled with high performance according to strict rule , which is designed and manufactured according to international standard , strictly follow factory quality control