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KELLY BUSHING

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SPECTRUM make Kelly bushing model SDHD is developed conforming to API-7K specifications for Square Drive Master Bushing for rotary table size from 27-½" to 49-½". This unit is used for heavy-duty drilling operations in high torque conditions at off-shore as well as on-shore drilling operations to handle Kelly size from 3" to 6" Square or Hexagonal.  

Kelly Bushing is supplied along with the following:

  • Roller Assembly (Fitted)

  • Wiper Assembly (Fitted)

  • Wrench

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