• 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

Additional information

Weight0.000 kg
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