Version:
With dynamic flutes for reliable chip evacuation.
4 cooling channels for process reliability in deep hole drilling.
Advantage:
For high performance drilling in aluminium materials.
Note:
To ensure process reliability when using the 12×D deep-hole drill, an initial centre drilling or 3×D pilot drilling operation with No.
122606 is necessary.
The generation of a pilot hole improves process reliability.For further details see
www.hoffmann-group.com