Designed for maximum productivity, the Hand Held Electric Core Drilling Machine is available with a 2-speed and 3-speed motor. FEATURES- 2 speed or 3 speed gearbox with oil bath lubrication and overload clutch- wet and dry drilling in different materials without changing accessories or attachments- levelling assistance, two integrated levels- tough and reliable full metal housing- includes complete toolset in a particular carry case- fitted with overload protection APPLICATIONS- hand held and rig operated wet drilling in concrete, masonry and stone- through holes for cables, cable trays and pipes- stitch drilling of through holes for plumbing, air conditioning installations and ventilation openings- coring holes in ceilings, walls and floors without hammering and vibration SPECIFICATIONS2 speed machineVOLTAGE: 240vINPUT POWER: 1800wMAX DRILL DIAMETER:90mm hard materials152mm soft materialsFREQUENCY: 50-60HzRPM: 800 / 3600 RPMDRILL RIG ATTACHMENT: 60mm clamping collar 3 speed machineVOLTAGE: 240vINPUT POWER: 2100wMAX DRILL DIAMETER:150mm hard materials180mm soft materialsFREQUENCY: 50-60HzRPM: 630 / 1400 / 3000 RPMDRILL RIG ATTACHMENT: 60mm clamping collar