Complete Set: Effortlessly restore stripped, damaged, and worn internal threads with our helicoil thread repair tool kit. Includes drill bits, screw taps, wire thread inserts, and installation & tang break-off tools for the five most needed SAE and metric sizes: 1/4", 5/16", 3/8", 7/16", 1/2" as well as M5, M6, M8, M10, and M12.

Wide Applications: Our universal rethreading tool kit is engineered for various materials, including aluminum, iron, carbon steel, bronze, and magnesium. Ideal for automotive and plumbing applications.

Built to Last: High-speed steel drill bits ensure superior handling, while 304 stainless steel inserts provide exceptional strength and endurance.

Efficient Operation: The 135° drill bits quickly create room for the installation tools to smoothly fit the inserts, and the break-off tools ensure a clean finish.

Easy Organization: Comes with a rugged blow-molded case for easy storage and transportation between jobs.