The ADU gears with air feedings removes dust from the boreholes directly while drilling. They can be built with distances of min. 30mm.
The spindle rotation is always right. The maximum speed in continuous operation is 6,000 1/min; the spindle power is 3.2 kW between 1.000 and 6.000 1/min.
The shank receptacles ø10H7 with side clamping screws can be used with air drills. The maximum allowed air pressure is 6 bar.