ThreadMate ThreadMate Blades 1/2 in. - 5/8 in. 60° Replacement Blade for NES22 NESRK22
60° Replacement Blade for Nes 22 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.