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.
The drill pipe and the accessories of the rotary drilling rig which our company produced can supply import and export.
For the domestic customers of the rotary drilling rig,Beijing is the center of the accessories supply.The goods could be sent to your hand in the shortest possible time by air express delivery, China Railway Express,FedEX,Post EMS,DHL China and etc.we do good cooperation with the Tianjin,Qingdao ,Shanghai port etc. my forwarder provide the best sea & air transport service ,time-delivery .
| 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 |
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 .
