>  Term: Master bushing
Master bushing

A device that fits into the rotary table to accommodate the slips and drive the kelly bushing so that the rotating motion of the rotary table can be transmitted to the kelly.

0 0

작성자

  • Harry8L
  • (London, United Kingdom)

  •  (V.I.P) 574128 포인트
  • 100% positive feedback
© 2024 CSOFT International, Ltd.