Bauer BG46/BG30/BG28/BG25 rotary drilling kelly bar
IINTERLOCK AND FRICTION KELLY BAR Kelly bar contains 3
Kelly bar is a very important part of hydraulic rotary drilling rig, because its quality directly affects the performance of drilling rig by transmission pressure and work efficiency. Owing to adopt the advanced processing equipment and experienced engineers, strict quality control system, Our Kelly bars successfully matched with Bauer, IMT, Soilmec, Mait, Casagrande, Sany ,Zoomlion and so on for more than 10 years..
6 external
Interlocking kelly bar
Interlocking pressure Kelly bar contains 3 or 6 external keys with 3 sets or more concave pressure parts.And the advantage of transfer pressure easily and better anti-torque capacity. It’s suitable for both like dense sand and gravel or weak to strong rock.
| Interlocking kelly bar | ||||
| Type | O.D(MM) | Section | Depth(m) | Torque(KN.M) |
| JT12 340-3x13 | 340 | 3 | 36 | 120 |
| JT12 356-3x13 | 356 | 3 | 36 | 120 |
| JT15 377-4x14 | 377 | 4 | 52 | 150 |
| JT20 406-4x14 | 406 | 4 | 52 | 200 |
| JT22 406-4x14 | 406 | 4 | 52 | 220 |
| JT25 445-4x15 | 445 | 4 | 56 | 250 |
| JT25 445-3x15 | 445 | 3 | 42 | 250 |
| JT25 470-4x15 | 470 | 4 | 56 | 250 |
| JT25 508-4x15 | 508 | 4 | 56 | 250 |
| JT28 508-5x15 | 508 | 5 | 70 | 280 |
Friction kelly bar
| Friction kelly bar | ||||
| Type | O.D(MM) | Section | Depth(m) | Torque(KN.M) |
| JT12 340-4x13 | 340 | 4 | 49 | 120 |
| JT12 356-3x13 | 356 | 3 | 49 | 120 |
| JT15 377-4x14 | 377 | 4 | 52 | 150 |
| JT20 394-4x13 | 406 | 5 | 36 | 200 |
| JT22 406-5x14 | 406 | 4 | 64 | 220 |
| JT25 419-5x15 | 419 | 5 | 70 | 250 |
| JT25 440-5x15 | 440 | 5 | 70 | 250 |
| JT25 470-6x16 | 470 | 6 | 83 | 250 |
| JT28 508-6x16 | 508 | 6 | 89 | 280 |
| JT30 530-6x18.7 | 530 | 6 | 110 | 300 |
| JT40 580-6x18.7 | 580 | 6 | 110 | 400 |
Related spares of kelly bar
Beijing JieTaiHongLi Technology Development Co.,Ltd specializeed in producing Kelly bar and accessories of drilling rig from 2004 year. We have a professional experienced engineers group with advanced crafts and technology in our R&D department to provide technology support service. Now we have registered 10 Solo patents of our factory, we won sustained good reputation both in domestic and overseas.
We are manufactory and we welcome any trusted dealers to cooperated with us.
OUR OFFICE SHOW:
Ability of our factory:
Why you choose our factory?
Advantage & Features of our kelly bar :
a). high quality material and rich manufacturing experience in welding process.
b). reasonable price and advanced processing facilities.
c). professional experienced engineers group from R&D department.
d). Raw materials of seamless steel tube with alloy from Chinese top manufacturer.
e). Higher hardness, higher flexibility, excellent welding properties.
f). Thinner tube, smaller inter-tube distance, good abrasion resistance.
g). Advanced technology of 6-key design, standard modular design
Guarantee & Service of kelly bar:
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