Description
- ER20 M Wrench is made from high quality alloy steel
- Thick material allows high torque without bending
- 5 point contact ensures no distortion of collet nut while tightening
- Works on all of our M Type collet chucks that take ER20 collets
How it’s used
- Tighten or loosen screws and nuts
- Fasten or remove lathe clamping nuts
- Fasten or remove collect clamping nuts on machine tools
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