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Push and Pull Diamond Impregnated Bit

The push and pull diamond impregnated bit is a specialized tool that is commonly used in underground drilling for a variety of reasons, such as service holes for air, water, paste fill or sand fill. It is a much larger, bi-directional bit with a diamond matrix. The push and pull bit is used to expand the diameter of a bore hole once a diamond drill has accurately drilled a pilot hole in a common standard size such as NWL.

  • Saves time – it is much easier and quicker to expand an existing smaller hole than to drill a large diameter hole.
  • Can be used with smaller underground drill rigs.
  • Causes less vibration resulting in less wear and tear on equipment.



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