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HFU-3A Hydraulic Underground Core Drilling Rig

  • Drilling depth: 200-350m
  • Drilling diameter: 55, 71mm
  • Rotating torque: 895N.m
  • Payment Terms : T/T,L/C,Western Union

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HFU-3A hydraulic underground drill rig is mainly applied in the fields of coal, geology, metallurgy and engineering. It is used for drilling large dia. gas suction hole in mines, gallery as well as coal mine, water injection hole, and big dia. horizontal hole. It can meet the big dia. roller drilling, hard tungsten-carbide drilling and percussive-rotary drilling.

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