89-140mm 30M Depth Hydraulic DTH Crawler Rock Blasting Drilling Rig

Made by ATLAS COPCO Joint venture subsidiary,A7 hydraulic down-hole drilling rig is a multi-functional drill rig driven by internal combustion engine, the drilling power was provided by hydraulic system except for impacting and the hole cleaning wind.A7 hydraulic crawler drilling rig is widely used for blast-hole drilling in the mines and quarries. It is also used for anchor in road, railway, power station, civil engineering and building etc.

Specification for Hydraulic DTH Crawler Rock Blasting Drilling Rig: