General description The 30 Piece M8x1.25 Thread Repair Kit is an essential tool for automotive and DIY enthusiasts, designed for the restoration and replacement of stripped or damaged internal screw threads. This comprehensive kit includes high-quality components that ensure long-lasting results for various applications, including bolt, motor plug, and spark repairs. The kit is suitable for use on all metals, composites, polymers, and other materials. Technical specifications Includes: 1pcs 8.3mm twist drill 1pcs M8x1.25 screw tap 1pcs installation tool 1pcs breaking pin tool 1pcs mini hexagonal wrench 25pcs M8 thread inserts Twist drills and M8 screw taps made of HSS (high-speed steel) Drill bit angle: 135° Measurement allowed error: +/- 1-3cm Installation Drill out the damaged thread using the provided drill bit. Ensure the thread and pitch of the tap match the bolt. Use the specific taps to cut the holding thread into the cleared hole. Place the insert on the installation tool,