Diamond core drilling.
Two-gear rotary speed is designed, through knob to adjust the speed of shaft. 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
Ø Equipped with safety clutch and current overload protection switch, which can avoid damaging the machine when the drill is blocked or the twisting force is too long.
Ø The lifter is portable to move up and down, the life of the idler wheel is long
Ø water kit is included for wet drilling
