39-Piece Helicoil Thread Repair Insert Set ***Display Model***

Professionals and DIY mechanics know that stripped or damaged threads can quickly turn a simple job into a costly repair. The 39-Piece Helicoil Thread Repair Insert Set gives you a reliable solution to restore internal threads to like-new condition and extend the life of threaded holes in engines, machinery and structural components.

This comprehensive thread repair toolkit includes the essential tools and stainless-steel Helicoil inserts you need to repair worn or damaged threads in three of the most common metric sizes. The inserts act as a durable steel thread inside the original hole — allowing bolts to tighten securely and reliably without stripping again. 

What’s Included:

• Drill bit for removing the damaged thread.

• Tap to cut the larger “insert” thread.

• Helicoil installation tool for precise insert placement.

• Break-off punch for removing the tang once installed.

• Stainless-steel Helicoil spiral inserts in three key sizes: 9 × M12×1.75, 9 × M14×2.0 and 9 × M16×2.0.