Thread repair tool kit, 304 stainless steel high-speed steel, suitable for M3 M4 M7 M9 M11 threads

General Description: This 30-piece thread repair kit, made of high-quality 304 stainless steel, is the perfect solution for repairing damaged or stripped threaded holes. Designed for M4*0.7 threads, it allows you to create stronger internal threads in metals, protecting the threads from wear and damage. Ideal for automotive and mechanical repair work, it comes in a convenient storage bag for easy transport and storage. Features: Effective Thread Repair: Perfectly solves problems with damaged or smooth threaded holes, creating stable internal threads in metals. Robust 304 Stainless Steel Design: Ensures durability and corrosion resistance, protecting threads from wear and damage. Complete Kit for M4*0.7": Includes all necessary tools (insert cutter, steel threaded screws, fleur-de-lis drill bit, chuck, thread breaker). Convenient Storage Bag: Facilitates transport and storage, allowing for quick and easy retrieval and removal of tools. Automotive and Mechanical Application: Ideal for thread repairs on automotive and mechanical components. Specifications: Type: Thread Repair Kit Thread: M4*0.7 Material: 304 Stainless Steel Color: Silver Number of Pieces: 30 Storage Bag Dimensions: 18 * 12 * 3cm / 7.09 * 4.72 * 1.18 inches Kit Weight: 150g / 5.29oz Packing List: 1 * Thread Repair Kit (30 pieces, including insert cutter, steel threaded screws, fleur-de-lis drill bit, mandrel, thread breaker tool) 1 * Storage Bag Usage: Drilling the Hole: Use the provided fleur-de-lis drill bit to drill the hole to the appropriate size. Cutting the Thread: Use the insert cutter to create the internal thread for the insert. Repair. Insert Installation: Screw the repair insert into the threaded hole using the chuck. Spiral Breaking: Use the spiral breaking tool to break the excess spiral of the insert. Instructions Safety: Wear safety glasses and gloves when using cutting and drilling tools. Maintenance: Clean the tools after use and store them in the provided bag to prevent corrosion. Storage: Keep the kit in a dry, moisture-free place to preserve the quality of the tools.