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Double Casing Drilling Tools

Double Casing Drilling Tools

Double casing drilling tools Application range Suitable for geothermal drill for grouting, sampling, water well drill, foundation drill etc. Working principles Double head rotary percussive casing system utilizes a rotary head to drive the outer casing equipped with a tungsten carbide crown and...

Double casing drilling tools

     

  • Customized: Customized

  • Certification: BIN

  • Length: Jobber-length

  • Type: Double Head Rotary Percussive

  • Assembly: Crown Opener Bit and Inner Opener Bits

  • Casing Outer Diameter: 118-216mm


Application range

Suitable for geothermal drill for grouting, sampling, water well drill, foundation drill etc.

Working principles

Double head rotary percussive casing system utilizes a rotary head to drive the outer casing equipped with a tungsten carbide crown and a hydraulic drifter(top hammer) to drive the inner drill string equipped with a percussive drill bit. This is an excellent method for drilling straight holes in varying ground conditions. The water and compressed air can be both provided as power.


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