SWDM 255A-DTH is an efficiency hydraulic integrative drilling rig, which is suit for high-level and large-bore open-pit blasting operation with various rock hardness.
Diesel and diesel-electric dual power are suit for different mine choices. Reasonable rotating speed and feed system are designed for different rock features to ensure high drilling efficiency.
The machine designed by require of hole diameter and depth, which accurately set engine and compressor and exert maximum impact frequency of DTH impactor to accomplished ideal drilling economy.