Roller Kelly Bushing

タイトルまたは説明

China Far Eastern Drilling Spare Parts (Industry) Co.,Ltdis an innovative
manufacturing petroleum drilling and producing tools, including manual tongs series, slips series, elevators series, bushing series, dies series and etc。

Our bushing includeI kelly bushing,casing bushing and master bushing. We provide a full line of API certified  bushing.

Roller Kelly Bushings can be classed as two types based on different ways of drive, square drive and pin drive. Also they can be classed as three types based on different style, heavy, medium and light-duty. They are used for *7.1/2 to *9.1/2inch rotary tables. They are designed and manufactured according to API Spec 7K.



The details of the roller kelly bushing are as following:


Model Type Drive way applicable size of kelly(in) Square Hex HDS Heavy duty Square drive 21/2*6 **6 **-HDP Pin drive 21/2*6 **6 **-HDP 21/2*6 **6 RTM4 Medium duty Square drive 21/2*51/4 **41/4 RTS4 Light duty 21/2*41/4 **41/4

We process our bushing strictly according to API standard and ISO********0 standard, for which good quality and good prices can be assured to you.If you have any interest in our products, please contact us offer.machinery(at)gmail(dot)com