• Extra Last: The installation tools in this helicoil thread repair kit are constructed from high-speed steel for superior handling while the inserts are heated-treated 45# steel for greater strength and longevity in place
• All in One Kit: This 131-piece thread repair tool kit includes bits, taps, and inserts in the 5 most needed Metric sizes: M5, M6, M8, M10, and M12
• Easy Storage: This helicoil kit comes with the convenient carrying case which holds and organizes all the parts for easy transport and storage between jobs; on the site, the drill bits quickly create room for the installation tools to smoothly fit the inserts that repair your old threading; the breakoff tools clean things up for use
• Wide Application: Our drill and tap set is ideal for restoring stripped or damaged internal or external threads as well as for performing maintenance work to protect any threads from wear and tear
• Package Included: 5x Twist Drill Bits; 5x Break Pin Tools; 5x Installation Tools; 1x Hex Key; 5x Taps; 110x Wire Thread Inserts