D55SP Rotary and DTH Blasthole Drill For Soft
D55SP Rotary blasthole drill rig Our D55SP blasthole drill is extremely productive in single-pass drilling in soft and hard rock, vertical or angle drilling. It drills holes with a diameter of 172 - 254 millimeters (6 ¾ - 9 ⅞ inches), with a single-pass depth of up to 17 meters (55 feet).