CM458 Crawler Mounted DTH Drilling Rig

CM458 Crawler Mounted DTH Drilling Rig Crawler Mounted Hydraulic DTH Drilling Rig Automatic Crawler Mounted DTH Drill Rig, Crawler Mounted Drilling Rigs Advanced Technology, easy to handle and operate. Borehole Diameter 105～305mm Site Condition CM458 is applicable to all kinds of anchor supporting operation, grouting hole drilling for cofferdam, dam, and base reinforcement. Newly designed hydraulic clamp makes operation easier Product Features. CM458 internal combustion