HammerHead Trenchless Equipment

Roughneck R500 Air Hammer Converts Directional Drills to Rock Drills

HammerHead claims its Roughneck R500 rock drilling system can turn any horizontal directional drill in the construction industry into a rock drilling machine capable of drilling 6.25-in.-diameter holes at up to 150 ft. per hour. The larger version of the Roughneck R400 introduced last year includes the R500 air hammer with high-flow housing. 6.25-in. straight and offset bits, patent-pending pullback kit, control station/oiler, and drill conversion kit.

  • Heavy-duty R500 housing permits directional drilling in varying rock conditions without chang of housings
  • Larger bore diameter allows the hammer to send more air to the internal piston for faster, harder blows
  • Integrated face-cleaning exhaust ports help prevent plugging of the hammer for reliable performance
  • Patented check valve located in the bit eliminates ingestion of debris
  • Integrated electronics give the operator control without leaving the operator’s station
  • Control station uses the drill’s existing mud pump to deliver air, oil and fluids down hole
  • Control stations can be installed with a tee and ball valve on the high-pressure side of the mud pump to direct airflow to the drilling-fluid supply line

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