... position for sliding frame. MD-50 Anchor Engineering Drill Rig possesses the characteristics of stable performance ... rig, deployed by common alloy drill tools or other drill tools, can perform revolving-and-drilling. In ... .2) equipped by special cannula-followed drill tools (such as drill rod, casing, eccentric bits ... -10Rated rotation speed (r/min,Forward or reverse): 20,40,56,60,111,167Rated pull ...