Beijing Guangying Construction Machinery Co.,Ltd
Improvement, Reform, Integrity, Teamwork
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We can provide kelly bar for BAUER, MAIT, IMT, SOILMEC, CASAGRANDE and other foreign brands rotary drilling rig.
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 the crowd pressure of the crowd system to the drilling tool. Based on the rich manufacturing experience and by absorbing the advanced technology both ant home and abroad, Our products are very popular in worldwide for its high quality and best price. Welcome to inquiry from us.
Interlocking Kelly bar
|
Outer Diameter (mm) |
Elements |
Maximum drilling depth (m) |
Retracted length (m) |
|
254 |
2 or 3 |
10 to 30 |
6.45 to 11.45 |
|
292 |
2 or 3 |
15 to 42 |
9.35 to 18.20 |
|
298 |
3 |
15 to 33 |
7.35 to 13.35 |
|
305 |
3 or 4 |
12 to 36 |
5.75 to 10.50 |
|
343 |
3 or 4 |
15 to 48 |
7.30 to 14.15 |
|
355 |
4 |
18 to 43 |
6.00 to 13.00 |
|
368 |
3 or 4 |
18 to 52 |
8.40 to 15.40 |
|
377 |
4 |
40 to 48 |
11.00 to 15.00 |
|
394 |
3 or 4 |
21 to 64 |
9.70 to 18.70 |
|
406 |
4 |
29 to 62 |
8.50 to 16.50 |
|
419 |
3 or 4 |
24 to 68 |
10.70 to 19.70 |
|
440 |
2 or 4 |
18 to 65 |
13.00 to 15.00 |
|
470 |
3 or 4 |
24 to 64 |
10.70 to 19.25 |
|
483 |
4 |
31 to 67 |
10.50 to 16.50 |
|
508 |
4 |
25 to 53 |
7.50 to 14.50 |
|
559 |
3 ro 4 |
30 to 72 |
13.75 to 21.75 |