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Roller Kelly Drive Bushing

  • The roller Kelly bushings designed to match with API master bushing for driving the Kelly
  • Suitable for hex type Kelly and Square type Kelly
  • The drive section designed in pin type and square shoulder, strictly match API rotary table
  • The rollers specially heat-treated for extending Kelly's service time, replaced easily
  • ​Conforming to API Spec 7K
Product Specifications