Features: 1)It is reasonable in structure, good in rigidity and supple in operation. 2)Highly efficient double-speed electrical motor is adopted for the main electric motor. The technical data of ZKJ-30 Drilling Machine are as follows: NameUnitZKJ-30ADrilling diametermm15-200Drilling depthmm300Drill vertical strokemm0-1000Main motor powerkw3.3/4(double speed)Water consumptioncub.m/h1.5Dimensions(LxWxH)mm2500x1050x710Weightkg680