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.
interlock Kelly bar is based on domestic rig configuration and condition demand, combined with the home and abroad advanced manufacture technology, supporting domestic and foreign rotary piling rig.
No. |
OD |
Section |
Way of crowding |
Length of per section(m) |
Drill depth | Torque | ||
| 1 | ¢299 | 3 | 4 |
(interlock-type) | 9-12 | 24-45 | 100 -120 | |
| 2 | ¢342 | 3 | 4 |
(interlock-type) | 9 - 12 | 24-45 | 100 -120 | |
| 3 | ¢355 | 3 | 4 | (interlock-type) | 9 - 14 | 24 - 56 | 100-120 | |
| 4 | ¢368 | 3 | 4 |
(interlock-type) | 9 - 14 | 24 - 56 | 150-180 | |
| 5 | ¢377 | 3 | 4 |
(interlock-type) | 9 - 14 | 24 - 56 | 150-180 | |
| 6 | ¢394 | 3 | 4 |
(interlock-type) | 9 - 15 | 24 - 58 | 180-200 | |
| 7 | ¢406 | 3 | 4 |
(interlock-type) | 9 - 15 | 24 - 58 | 180-200 | |
| 8 | ¢419 | 3 | 4 |
(interlock-type) | 9 - 15 | 24 - 58 | 200-230 | |
| 9 | ¢440(445) | 3 | 4 |
(interlock-type) | 9 - 15 | 24 – 58 | 220-260 | |
| 10 | ¢470 (482) | 3 | 4 |
(interlock-type) | 9 - 16 | 24 – 60 | 220-260 | |
| 11 | ¢508 | 3 | 4 |
(interlock-type) | 9 – 18 | 24 – 68 | 260-360 | |
| 12 | ¢530 (540) | 3 | 4 | 5 |
(interlock-type) | 9 – 20 | 32 – 92 | 320-400 |
| 13 | ¢580(575) | 3 | 4 | 5 |
(interlock-type) | 9 – 20 | 32 – 92 | 360-420 |
| 14 | ¢630 | 3 | 4 | 5 |
(interlock-type) | 9 - 22 | 32 - 102 | 400-500 |
dvantage & 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
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 .
