100m down the hole drilling machine
"
Max 100m DTH Drill Rigs Pneumatic Down The Hole Drilling Machine
DTH Type Pneumatic Driven Mine Drilling Rig Portable Borehole Mine Drilling Rig Description of Mine Drilling Rig: Mine drilling rig is a kind of drilling machine mainly for drilling rocks. The machine can widely be used in large diameter hole drilling operations of small and medium-sized mines, road construction, water conservancy and rock excavation, as well as drilling bolt holes in slope support, tunnel support and foundation pit support. Two Types: 1. Pneumatic driven 2.