Product Info
- Holds all ER16 collets
- Fits most tool holders, regardless of brand
- Made from alloy steel hardened to 54 - 56rc
- Precision ground ID thread and taper
- Has an internal thread of 22mm X 1.5 pitch
- Outside diameter is 1.1 inches (28mm)
- Outside hex for tightening is 25mm across flats
- ER16-Wrench works on this collet nut
- Black oxide finish