13D can sharpen the drill before cutting edge (front angle), apex angle (tip angle), back angle (escape angle) and back, adjustable center blade size, easy drilling, easy chip removal.
Grinding range: ф3-ф13(ф15)
Point Angle: 100°(95°)-135°
Power: 220V 50/60HZ
Motor: 120W
Speed:4400RPM
Grinding wheel:CBN or SDC