Friction Kelly bars are generally suitable for soft soils conditions, such as soils, sands, etc. And the friction kelly bar has the Character of easily operating and deeper drilling depth than interlocking Kelly bar.

Friction Type Kelly Bar Use

a. Rotary table turns, keeping the drilling tool right on the hole position and making sure that the Kelly bar keepsvertical during the whole drilling process.

b. Operate the rotary drive to rotate at a proper speed. The Kelly bar transfers the torque from the rotary drive tothe drilling tool and makes it rotate to drill.

Note: According to different stratums, it can not exceed 1m when using rotary drive to continuously pressurize.c. Use winch to lift the Kelly bar and drilling tool out of the hole.

d. Remove earth

e. Circulating until a drilling hole is formed.

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.We will keep track of each customer to get the feedback of product quality and service. And we will make an amendment according to your feedback.
2.If the product size is wrong, we will send the right one freely.
3.We guarantee the high quality. Please feel free to contact us if you found any damage. We will solve the problems ASAP.