- Contact Person : Mr. Yan Peter
- Company Name : Beijing Dazheng Yongye Construction Machinery Co., Ltd.
- Tel : 86-10-52968140
- Fax : 86-10-51097491
- Address : Beijing,Beijing,North of Xiaoli Zhuang, Beier village,Shahe town, Changping district, Beijing
- Country/Region : China
- Zip : 102206
Drilling Piling Kelly Bar 440
Specifications
1,high quality and competitive price 2,durable steel material for longtime use 3,applied to the hard and soft layer
Kelly bar is the key part of a drilling machine, and its quality directly affects the performance of the whole machine. The main purpose of kelly bar is to transfer the torque of rotary drive and crowd pressure of the crowd system to the drilling tool. Based on the rich manufacturing experience and by absorbing the advanced technology both at home and abroad, we can produce first-class kelly bar which can be compared favorably with the imported ones
We can also provide kelly bar for BAUER, MAIT, IMT, SOILMEC, CASAGRANDE and other foreign brands rotary drilling rig.
| rig Kelly Bar | ||||
| Type | O.Dia.(MM) | Section | Depth(m) | Torque(KN.M) |
| DZ12 340-3x13 | 340 | 3 | 36 | 120 |
| DZ12 356-3x13 | 356 | 3 | 36 | 120 |
| DZ15 377-4x14 | 377 | 4 | 52 | 150 |
| DZ20 406-4x14 | 406 | 4 | 52 | 200 |
| DZ22 406-4x14 | 406 | 4 | 52 | 220 |
| DZ25 445-4x15 | 445 | 4 | 56 | 250 |
| DZ25 445-3x15 (Reinforced) | 445 | 3 | 42 | 250 |
| DZ25 470-4x15 | 470 | 4 | 56 | 250 |
| DZ25 508-4x15 | 508 | 4 | 56 | 250 |
| DZ28 508-5x15 | 508 | 5 | 70 | 280 |
Drilling Piling Kelly Bar 440
