Interlocking Kelly bar & Friction Kelly bar & drill rod
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..
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
Accessories
Related spares of kelly bar
Exhibition
Packaging & Shipping
Company Information
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.
Ability of our office:
Ability of our factory:
Certifications
work site
FAQ
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.
