the following example is for you reference.
1.Brief Introduction:
Casing twister with kelly box that transfers the torque from the rotary drive to the tubes column
Designed to be used for driving the casing instead of casing oscillator, provided with half joint to be applied directly to the rotary table of the base machine or to be driven by Kelly Bar.
2.Techincal parameters:
Kelly box diameter:130mm*130mm,150mm*150mm,180mma*180mm, 200mm*200mm,
Casing twister diameter; 500mm/600mm/700mm/800mm/900mm
3.Performance features:
Compact design,

