Customized Drilling Rig Interlocking Kelly Bar Deep Foundations Seamless Steel

1. All kelly bars use seamless steel tube from large steel factories.
2. All steel tubes will be under sandblasting processing to improve the surface.
3. Locks and drive shell use forging wearing plate with high strength.
4. A reinforcing ring is installed at the bottom of terminals to improve the strength.
5. Our drive stub is complete forging one.

Products description

1. our kelly bar are capable of supporting any rotary digging machine from both China or abroad. All our kelly bar is full torque and the maximum digging depth of 80 meters.

2. Our kelly bar is manufactured by seamless steel pipe which is specially customized by domestic high quality alloy, also it can be made by Germany imported high-strength seamless steel pipe as customers' requirements.We have 2 types kelly bar,interlocking and friction.The kelly bar length depends on actual needs of customers or the drilling machine's parameters.

3. With use of advanced processing equipment, processing technology, and tooling manufacture, our kelly bar has matched with many brands drilling machine such as ,CSR,SANY, SOILMEC etc.