Female Thread Repair Set Spiral Coil Thread Inserts HSS Drill Tap Tool for M5 M6 M8 M10 M12

1、FOR THREAD REPAIR: This tap insert kit is ideal for repairing peeling or damaged female threads and maintaining threads from galling. 2、DRILL AND TAP: These drills and taps are made of high speed steel with high strength and wear resistance for quick and easy thread repair. 3、THREAD INSERTS: Spiral wire inserts are heat treated high carbon steel construction for wear and corrosion resistance and long service life. 4、45 STEEL PART: Heat treated 45 steel part fits into enlarged holes for tightening allowing you to hold bolts screws or spark plugs in place. 5、MULTIPLE SIZES: Including 5 common sizes which can be used to repair M5 M6 M8 M10 M12 female thread holes to meet the different repair needs.