Specifications
| Diameter (MM) | Elements | Length (M) | Torque (KN·M) | Max Drilling Depth(M) |
| 355 | 3&4&5 | 8-12 | 180 | 54 |
| 377/368 | 3&4&5 | 8-13 | 220 | 59 |
| 406/394 | 3&4&5 | 8-14 | 230 | 64 |
| 419/426 | 3&4&5 | 8-15 | 250 | 69 |
| 440/445 | 3&4&5 | 8-15 | 259 | 69 |
| 470 | 4&5&6 | 8-17 | 280 | 95 |
| 508 | 4&5&6 | 10-17 | 320 | 95 |
| 530 | 4&5&6 | 10-20 | 380 | 112 |
| 575 | 4&5&6 | 10-21 | 420 | 118 |
| 630 | 4&5&6 | 10-21 | 460 | 118 |
| All specifications can be tailored as per customers’ special requirements. |
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.
Company Information
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.
FAQ
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
