... .hydraulic transmission 4.light 5.simple in desi KY-200D Rotary Blasthole Drilling RigParameterSpecificationsBorehole dia (mm)150~200Hole depth (m)17Hole direction (degree ... ,Uranium,Cobblestone,Marble Stone,Gyratory,Calcite,Clay, Dolomite KY-200D Rotary Blasthole Drilling Rig