Flute number
6 Flutes
4 Flutes
4 Flutes
3 Flutes
2 Flutes
Helix Angle
20°
30°
35°
45°
50°
55°
Coating Type
GA
RB
SI
NB
AT
SF
Corner Radius
R
Grain Size
5D
3D
0.2µm
0.6µm
0.4µm
Working Material Hardness
HRC-55~65
HRC-45~55
HRC-45
Point Angle
180°
140°
130°
Flute Length
5D
3D