Roller Kelly Bushing

Roller KellyBushing is an essential petroleum drilling tool, andcan be equipped with rotary slips, so as to drive Kelly bar. The productreduces its friction with Kelly bar by the rolling of four rollers in order toprolong its life. The product can also fit to four-sided or six-sided Kelly barby charging roller, and then connect it with various rotary tables, with twodrive methods, namely, square rolling and pin shaft rolling.

The Roller Kelly Bushing is simple inoperation, convenient in installation and perfect in safety performance. It canbe applied to rotary table from 17 1/2” to 49 1/2”.