1.core drilling rig for mining and engineering 2.light-weight, compact, easy to ... 3.Large-powered 4.easy to operate 1. APPLICATIONS: Geological drilling for railroad, highway, bridge tunnel, power station foundation, civil ... the drill hole, in order to hoist or lower the drilling tools. Hydraulic chuck, labor saving. Advanced design, multi-function, ... (L×W×H)(mm)1560×620×1205 GX-1TD core drilling rig