Version:
DLC coating sp2 of the latest generation with low coefficient of friction results in outstanding chip clearance. For high-performance milling of aluminium materials. High roundness and alignment accuracy of the deep hole, thanks to 6 guide chamfers.
Note:
Flute length L
C = L
2 + 1.5 × D
C.
For process reliability when using the 12×D deep-hole drill, an initial centre drilling with No.
121068 –
121130 is necessary.