Feature:1. These thread inserts have self-tapping ability so that the base metal does not need to be tapped beforehand.2. Self-tapping thread inserts have a maintenance effect on damaged threads.3. Thread repair allows to continue using the same screws.4. Self-tapping thread inserts have strong resistance to vibration so as to prevent loosening.5. Simpler, more convenient and faster than ordinary steel wire thread inserts.Specification:Item Type: Thread Repair KitThread Insert Material: Color Zinc Plated Carbon SteelThread Insert Specification: M6x1 (Outer Diameter M9x1)Application: Widely used in automotive, rail car, munition, ship, home appliance, construction machinery, communications equipment, electronics, engineering plastic, metal die casting and other fieldsPackage List:10 x Thread Insert1 x Twist Drill Bit1 x Installation Tool