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Products > pdc bits > Shijiazhuang Coal Mining Machinery Co., Ltd. | Similar Products
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ZYJ-1000/135 FLP Underground Water and Gas Drainage Rotary Drilling Rig

ZYJ-1000/135 FLP Underground Water and Gas Drainage Rotary Drilling Rig
PDC drill bit for boring, attached different diameter bits fit different requirements of drill exploring. Drill Rod Diameter (mm) φ42/φ50 φ50/φ63.5 φ63.5/φ73 Drill Bit ...

ZYJ-400/130 Fully Hydraulic Column Drilling Rig

ZYJ-400/130 Fully Hydraulic Column Drilling Rig
bit can be alloy, PDC, it can be used in the coal mine and other mines. The drilling rig can attach to the roadheader. No. Description Unit Parameters Drilling machine 1 Working pressure Mpa 12 2 ...
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