首页 >  Term: swivel neck
swivel neck

A device connecting the water hose to the drill-rod string and designed to permit the drill string to be rotated in the borehole while water is pumped into it to create the circulation needed to cool the bit and remove the cuttings produced.

0 0

创建者

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 分数
  • 100% positive feedback
© 2024 CSOFT International, Ltd.