- For General Purpose (HRc30 – HRc50)
- Special design for good centering, smooth chip removal and powerful drilling
- Special surface treatment after coating to reduce friction and better chip flow
With Internal Coolant Holes (Drill Diameter = Shank Diameter)
3 X D
5 X D
8 X D
Without Internal Coolant Holes (Drill Diameter = Shank Diameter)
3 X D
5 X D
