View complete catalog page
- Holds all ER8 collets
- Made from alloy steel hardened to 54 - 56rc
- Precision ground ID thread and taper
- ER8M Collet Nut has an id thread of 10mm X .75 pitch
- Outside diameter is .470 Inches (12mm)
- Outside has castle notches for tightening
- Use ER8M-Wrench for tightening
- Internal cam removes collet when unscrewed
- Black oxide finish
- MariTool Part# is ER8-MNUT