255mm Concrete Core Drill Rig (CD-255SB)

Specification of the core drill rig: Motor: 110/220/240V, 50-60Hz Power input: 2600W No-load Speed: 460/900 RPM Max drilling Dia.: 255mm Features of the core drill rig: * Heavy duty blackened square column ensures maximum rigidity and durability * Precision rack and pinion gear system * It has two shift gear, which can adjust the speed with the knob, the slow shift is suitable for the drilling bit of large diameter, the quick shift is suitable for the drilling bit of medium and small diameter. * Equipped with safety clutch and current overload protection switch, which can prevent motor from overloading and operate the machine safety when the drill is blocked or the twisting force is too strong. * Fitted with an adjustable bracket, this machine can drill a bore vertically, and also can drill an inclined bore at the angle of 0-90 degree. * Adopt vacuum pump to bleed the air, make the suction cup firmly stick to the plain of the building, then fixing the rectangle base and the drilling machine on the bolts of suction cup. * You should not drill the expansion bolt hole, and avoid damaging the building. * CE certified