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Double Casing Drilling Tools

  • Description
Product Detail

    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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Xiamen Bestlink Factory Co.,Ltd

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