8mm ER11-A Collet Chuck Holder Motor Shaft Toolholder Extension Rod CNC Milling
- This Collet Chuck Holder can be used for milling lathe tool and work-holding engraving machine.
- Suitable for deep hole processing.
- Strong clamping force by tightening the nut.
- A perfect replacement for the old or worn one.
- Extension rod is designed to eliminate unbalance and increase safety during cutting and milling.
- Perfect resolution for extending the depth of processing.
- It is widely used in boring, milling, drilling, tapping, grinding and other processing.
- Type: ER11A-8mm
- Height: 40mm / 1.57″
- Shaft Diameter: 16mm / 0.63″
- Shaft Inner Diameter: 8mm(±0.02mm) / 0.31″
- Nut Diameter: 19mm / 7.48″
- Nut Inner Diameter: 9mm / 3.54″
- Material: Steel