new design combined-type interlocking kelly bar, Rotary drill pipe for Bauer Sany Soilmec XCMG Casagrande

Drilling Rig use Interlocking Kelly bar / Friction Kelly bar  

Kelly bar is a very important part for rotary drilling rig, because its quality directly affects the work efficiency by transferring up pressure to the down drilling tool. We have mix type of interlocking Kelly bar and full interlocking Kelly bar and can be variety kinds of match style, Which can be perfectly adapted to complicated geological conditions.

1. Material: Q345B or 35CrMo
2. Type: Interlocking kelly bar, friction kelly bar, combined interlocking and friction kelly bar, square kelly bar etc customized        as per requirement
3. Application: Suit for international CFA rigs as Bauer, Soilmec, Mait, Casagrande etc other brand piling rigs;
4. Customer Feedback: Applied on various drilling rigs and highly praised by domestic and abroad customers