Advantages:

* Very powerful, water cooled SR-motor; low in maintenance, due to no carbon brushes and turning windings.

* High performance – compact design, low weight.

* 15 finely matched steps for a perfect adjustment of the revolution speed.

* 3-speed-gear with oil bath lubrication, oil pump and high-duty overload clutch.

* Splash water proof according IP 55, ready for drilling overhead without any further precautions.

* Simple to use keypad and display, showing drilling diameter and error analysis.

* Soft turn – screwing speed for easy assembling of the bit.

Applications:

* Wet drilling of large holes in ceilings, floors and walls.

* Through-holes for cables, cable trays and pipes.

* Large holes for ducts, foundations.