الوصف

Kelly bar:
1.Light weight
2.High strength
3.Good abrasion resistance
4.Cost-effective
and characteristics:
 
1.Adoption of advanced intenational six-key type distribution technology and standard modular design.
2.The whole set of kelly bar with light weight, high strength, high linearity of the single section, thin pipe wall, 
small seam between sections and good wear resistance of detal plate, it greatly satisfies the special requirements of rotary drilling machine. 
3.We have complete materials and specifications, and 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 **0 meters.
4..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-strenght seamless steel pipe as customers' requirements.We have two types kelly bar,one is interlocking and the other is friction.
The kelly bar length depends on actual needs of customers or the drilling machine's parameters.
5.With use of advanced processing equipment, processing technology, and tooling manufacture, our kelly bar has matched with many brands drilling machine such as XCMG,CSR,SANY, SOILMEC etc.
Technical table: