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Open-cutting Drilling Tools

Open-cutting drilling tools are mainly matched for crawler-type full-hydraulic open-cut rock drilling rigs. They are used for drilling medium and large aperture blastholes in projects such as open pit mine development, building stone mining, and hydropower engineering dam excavation.

  • Features and Advantages

    -Thread bar types: extention rod, MF rod and guide rod

    -Length: 3050mm, 3660mm, 4265mm, 6095mm, etc.

    -Rod size: H32, H38, D32, D39, D46, D52, D56, D64, D76, D87

    -Thread size: R32, R38, T38, T45 and T51

    -5 types of drill bits: cross bit, button bit, drop center button bit, retrac button bit and drop center retrac button bit

    -Bits diameter: button bit – 51mm to 127mm ; cross bit – 50mm to 65mm

    Open-cutting Drilling Tools