HammerHead Trenchless Equipment

Roughneck R400 Pneumatic Rock Hammer System

The Roughneck R400 Pneumatic Rock Hammer system includes the R400 air hammer, 5.25-in. straight and offset bits, pullback kit, control station/oiler, drill conversion kit and universal HD high-flow rock drill housing. The R400 allows directional drill to work in almost any rock condition without changing out the housing.

  • Drill at rates up to 150 ft. per hour
  • Housing increases air distributed to internal piston
  • Larger bore diameter makes hammer run at maximum efficiency, delivering a harder blow at faster impact
  • Offset rock bit design provides precise steering
  • Control station provides path for airflow to be directed into drilling fluid supply line; utilizes drill's existing mud pump to deliver air, oil and fluids down hole
  • Integrated electronics
  • Integrated face-cleaning exhaust ports prevent plugging of hammer
  • Check valve in bit eliminates ingestion of debris
  • Spanner wrench holes in front and rear of hammer reduce number of breakout jaws required for changing out the bit or servicing

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