406mm X 13.5m Yellow Interlocking Kelly Bar , Piling Rig Parts For XCMG XR220D

Kelly bars are key components in the execution of boreholes by hydraulic rotary drilling rigs. Telescopic Kelly bars transfer torque and crowd force from the rotary drive to the drilling tool.

Kelly bars can be selected into friction and interlocking type. Friction kelly bars are properly defined by their frictional contact between rail of each element. Interloking kelly bars are indeed privided with drive ribs which are welded with lock devices in order to transfer the maximum torque to each scope.

Kelly Bar is the key part for a Piling Rig, to make high reliable Kelly bar, we have to follow rules as below:

1. Top quality material

2. High welding quality

3. Appropriate heat treatment

4. Professional design

Hunan Kellyway Machinery Co., Ltd was founded by the main team which is with up to ten years’ experience on foundation works and piling machinery. Kellyway is committed to manufacture and supply most reliable and highest cost-performance products for piling works including Kelly Bars, Drilling Tools and Drilling teeth. Kellyway is working on provide the one-stop piling solutions for our domestic and global customers and we are dedicated to be your best partner for your piling works from China.

Q1. How long have you been in this business?

Over 10 years experience.

Q2. Do you accept sample order?
Yes sure, please contact us for details.

Q3. How about your after-sales service?
We offer promote technology support for all problems and questions.

Besides, we accept goods return or replace for quality problem.

Q4. How does your company control the quality?

Quality first. In order to guarantee high quality for our products.

Kellyway makes a serious inspection for all products and raw materials in strict procedure.

Our service

1. Prompt delivery
2. Best after-sale service
3. The products could be produce according to customer's requirements
4. Inquiries are typically replyed within 24 hours