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Zhuzhou Changhong Mining Machinery Offer Best In Class Drilling Machines
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Specifications of Concentric overburden drill system Casing Tube OD Ring Bit OD Min. Casing Shoe ID Pilot Bit Diameter Hammer Shank Style mm inch mm inch mm inch mm inch 108~127 4 1/4…
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Specifications of ODEX eccentric center drill system ODEX Type Recommended Casing Size Min. Wall Thickness Pilot Bit Diameter Reamer Diameter For Shanks of Hammer Max. OD Min. ID mm inch mm inch mm…
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