Excentricidade TIR ≤3 μm

Measured from inner taper to outer taper..

 Taper accuracy AT3

Better spindle-to-holder fit and accuracy.

 Side locking screw

For highest transferable torque.

 Coolant supply

All colletholders with form A+AD can be used for cooling. Form A+AD delivers the coolant supply through the taper.

 ID chip hole

In accordance with DIN 69873 for 10 mm diameter.