Technical specifications
Drilling depth
12xD
d1
7.8 mm
d2
8 mm
l1
146 mm
l2
108 mm
l3
94 mm
l4
36 mm
Cooling
internal cooling
Number of cutting edges (z)
3
Shank tolerance
h6
Bore tolerance
≥ IT 9
Shank type
HA
Tip angle
135 °
Side rake angle
30 °
Material group
51