Description
for HPC boring up to 65 HRC
Execution
- 2 drill heels
- 30° spiral angle
- Convex main cutting edge
Advantage
- high centring accuracy
- special coating for drilling hardened steels up to 65 HRC
- extremely hard, low-friction and temperature-resistant TiAlN coating for longer service life
- Reinforced core with special tip and cutting chisel edge
- No internal coolant feed for higher stability
Technical data
Cutting edge diameter: 14,00 mm
Tolerance of cutting edge diameter: h7
Cutting material: VHM
Surface: TiAlSiN
Max. drilling depth (D): 3xD
Type: HPC HARD
Coolant supply: External
Tool holding device: HA parallel shank
Angle of the tip: 140 Degree
Shaft diameter: 14 mm
Chip flute length: 60 mm
Length: 107 mm
f hard 65 HRC: 0,1 mm/r
DIN: 6537