Helicoil 5546-10 Thread Repair Kit

Quickly and permanently restores stripped, worn or damaged threads to their original size and condition Quickly and permanently restores stripped, worn or damaged threads to their original size and condition. The hard, stainless steel (18-8) diamond shaped wire inserts work in just about any part or material: aluminum, magnesium, cast iron, bronze, etc. The insert has a driving “tang” for installation which is notched for easy removal.