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Interlocking Kelly bar / Friction Kelly bar / Rotary drilling kelly bar / Kelly bar
Beijing JieTai Machinery Technology Co., Ltd. has been supply one-stop service for drilling rigs from 2004 year, which specialize in producing Kelly Bar & Accessories for rotary drilling rig, As well as Selling and Maintenance of used drilling rigs.
JIETAI has been granted 10 patents by State Intellectual Property Office of P.R.China.For example, one of our patents (No.ZL2012 2 0161611L0) is a mix type of interlocking Kelly bar & full interlocking Kelly bar and can be variety kinds of match style, Which adapt to complicated geological condition requirement and has been widely used in the actual construction process and support the Bauer, IMT, Soilmec, Mait, LIEBHERR, XCMG, SANY, Lovol, Yutong , CSR,Sunward etc.
We are the KELLY BAR manufactory and we welcome any trusted foreign trade company to cooperated with us.
Interlocking kelly bar
Interlocking Kelly bar contains two type pressure modes: one type is 3 or 6 external keys with 3 or more concave pressure parts, the other is 3 external pressure strips with full pressure parts on it, which mostly matched IMT drilling rig. 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 |
Note: Paragram is only as reference, adjusted can be according to actural demand.
Friction kelly bar
Friction Kelly bar is composed 3 or 6 wear-resistant seamless alloy strips by working through friction produced by rotary passing down the pressure force without concave pressure point. This type is suitable for both soft layer and silt layer.
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 |
Note: Paragram is only as reference, adjusted can be according to actural demand.
Kelly bar Accessories
Why You Choose Our Kelly Bar ?
a). Material & Techinical--- 35 CrMo/27SiMn high alloy seamless steel pipe under quenched-tempered heat treatmet
b). Gold supplier on Alibaba with Trade Assurance to promise quality & delievery.
c). Professional experienced R&D department, strictly QA & QC development.
d). Feedback within 24 hours from professional consultors.
e). Higher hardness, higher flexibility, excellent welding technology.
f). Thinner tube, smaller inter-tube distance, good abrasion resistance.
g). Advanced technology of 6-key design, standard modular design
1. Q: what's Material&Technology of kelly bar?
A: 35 CrMo/27SiMn high alloy seamless steel pipe under quenched-tempered heat treatmet
2. Q: What's your delievery time?
A: 7--10 working days.
3. Q: What's your Guarantee Period of kelly bar?
A: One Year Under normal service.
4. Q: What's your payment Tems?
A: 30% T/T as advance deposit, 70% balance before shipment.
5. Q: Where your factory location?
A: Beijing in China, We welcome any visit and agency dealer cooperation!!!
Send Inquiry to This Supplier
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