Version:
Efficient drilling especially for use in stainless and acid-resistant steels.
Straight main cutting edges with optimised cutting edge design for improved chip breaking behaviour. Enlarged flutes for excellent chip evacuation. Increased wear resistance due to improved carbide substrate and high temperature resistant coating.
Note:
Flute length L
C = L
2 + 1.5 × D
C.
HB and HE shanks are available at the same price as HA.
For
HB shanks: use order
no. 122391.
For
HE shanks: use order
no. 122392.