... mining,ore exploration, 2,in construction drilling of railway,road,port,bridge 3,can be disambled ... max(KN)20Steel wire rope diameter (mm)11Mode of chuckFull-hydraulic chuck or ball-type chuckWeight(power ... pump5. Small-diameter hole foundation piling drilling; Features of HGY-200 core drilling rig: 1) Good ... 5 )Perfect frame's rigidity ,low center of gravity and good stability. HGY200D Core Drilling Rig ...