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Contact SupplierProduct detail Oil Core Drilling Rig for Geological Engineering   Oil Core Drilling Rig for Geological Engineering is a spindle rotary drilling rig, on the one hand, suitable for engineering geological exploration, solid mineral exploration survey, foundation pile construction.On the other hand, it is suitable for exploring core mine. This Core Drill Rig 's speed range is reasonable, the drill pipe rotation speed is 90r min. Compact structure, the overall layout is reasonable, light weight, easy assembly, a wide range of speed. Advantages of Down the Hole Hammer Drill Rig  1. Powerful and reliable engine  2. Powerful feeding and rotating system  3. New drilling boom  4. High power drive motors  5. Safe and stable travelling system Photo of product