Flute number2 Flutes,3 Flutes,4 Flutes,6 Flutes

Helix AngleHelix Angle is 30°, 35°, 45°, 55°, 90°, 120°

Coating TypeCoating Type is SF,AT,SI,NB

Corner RCorner Radius

Grain Size

Working Material Hardness

頂角度

鑽頭刃長