China supply drifter drill for underground / coal tunnel drilling rig for sale
1. Features
Drilling Machine
1.Rubber seal or metal seal
2.Fast drilling rate
3.Reliable bearing system
2. Applications
1,The machine mainly used for underground internal various angle water prospecting, exploration of coal, gas drainage, dust protection and water injection and other uses of the drilling.
2,360 degrees of rotary drilling ,drilling of 50-300m!
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