kelly bar are especially designed for drill hard materials and when crowd force is required . kelly bar is key components in the execution of boreholes with hydraulic drill rig . kelly bar transfer the torque to the rotary drive and crowd pressure to the drill tools . a kelly bar consist of 2-5 telescopic sections with a system drive keys and lock recesses, welded onto their outer surface. Standard kelly bars are fabricated with a total of 6 drive key on each sections.
Based on the rich manufacturing experience and by absorbing the advanced technology at home and abroad , we can produce first-class kelly bars which can be matched with drill rigs of Bauer, sany , XCMG, Soilmec , Casagrande , IMT, Mait etc.
| No. |
OD |
Section |
Way of crowding |
Length of per section(m) |
Drill depth |
Torque | ||
| 1 | ¢299 | 3 | 4 |
(Bauer-type) |
9-12 | 24-45 | 100 -120 | |
| 2 | ¢342 | 3 | 4 |
(Bauer-type) |
9 - 12 | 24-45 | 100 -120 | |
| 3 | ¢355 | 3 | 4 |
(Bauer -type) |
9 - 14 | 24 - 56 | 100-120 | |
| 4 | ¢368 | 3 | 4 |
(Bauer -type) |
9 - 14 | 24 - 56 | 150-180 | |
| 5 | ¢377 | 3 | 4 |
(Bauer -type) |
9 - 14 | 24 - 56 | 150-180 | |
| 6 | ¢394 | 3 | 4 |
(Bauer -type) |
9 - 15 | 24 - 58 | 180-200 | |
| 7 | ¢406 | 3 | 4 |
(Bauer -type) |
9 - 15 | 24 - 58 | 180-200 | |
| 8 | ¢419 | 3 | 4 |
(Bauer-type) |
9 - 15 | 24 - 58 | 200-230 | |
| 9 | ¢440(445) | 3 | 4 |
(Bauer -type) |
9 - 15 | 24 – 58 | 220-260 | |
| 10 |
¢470 (482) |
3 | 4 |
(Bauer -type) |
9 - 16 | 24 – 60 | 220-260 | |
| 11 | ¢508 | 3 | 4 |
(Bauer-type) |
9 – 18 | 24 – 68 | 260-360 | |
| 12 |
¢530 (540) |
3 | 4 | 5 |
(Bauer-type) |
9 – 20 | 32 – 92 | 320-400 |
| 13 | ¢580(575) | 3 | 4 | 5 |
(Bauer -type) |
9 – 20 | 32 – 92 | 360-420 |
| 14 | ¢630 | 3 | 4 | 5 |
(Bauer -type) |
9 - 22 | 32 - 102 | 400-500 |
a). high quality material and rich manufacturing experience in welding process.dvantage & Features of our kelly bar :
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
FAQ:
1.What kind of kelly bar can we provide?
Ans.: We can provide kelly bars for almost all the brand rotary drilling rig,the interlocking Kelly bar and friction Kelly bar , most are for Bauer, IMT , MAIT, SOILMEC, SANY , TEG, SUNWARD ,XCMG ,Etc. For ten years experience, supply all the world clients with good satisfaction.
2.What is the advantages of our kelly bar?
Ans.:We use super quality seamless steel pipe material, which makes the kelly bar more durable, and our kelly bar with competitive and reasonable price. We have got the ISO9001 certification , no matter you are dealers or end user, you will get the biggest profit.
3. What warranty do we provide?
Ans.: We provide 6 months warranty time.
4. What is the lead time?
Ans.: Usually the lead time is 7days,after receipt of your down payment.
5.What payment terms do we accept?
Ans.: We accept TT in advance and LC at sight .
