60° Replacement Blade for Nes 21 internal Thread Repair Tool. The blades are guided by the existing undamaged section of the thread, in order to re-groove the damaged section. The blades can cut, clean and clear any thread. Thread materials with hardness lower than 45° Rockwell C, can easily be reformed.
- Replacement blade fits model NES21
- Nes 21 replacement blade (60°)
- Hardened steel