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.

Wide Application: Our helicoil 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.

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 break off tools clean things up for use.

Package Included:

5x Twist Drill Bits

5x Break Pin Tools

5x Installation Tools

1x Hex Key

5x Taps

110x Wire Thread Inserts

1x Storage Case