Beijing Jietaihongli Technology Co., Ltd. |
Verified Suppliers
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Mechanical Lock Type Drilling kelly Bar 4X 13.5m For Drilling Hole
OD600-OD3000mm
Use Q345B and 35CrMo with special heat treatment
material steel ,our kelly bar more strong abrasion resistance
and high quality.
Any size and type can be tailored according to customers' request.
Interlocking type /Frictional type/Combined type/ Full interlocking
type
Kelly bar adopts the international advanced six-ribs distribution
technology. The inner keyboards and outer keyboards are
manufactured from overall forging and pressing high-tensile steel .
The special heat treatment which make this style Kelly bar with
high abrasion resistance, compression resistance and excellent
welding properity.
Specification
No. | Diammeter of The First Section
| Sections | Key Pressure Type | Length of per section(m) | Drill depth | Torque(KN.M) | ||
1 | ¢299 | 3 | Interlocking | 9-12 | 24-45 | 100 -120 | ||
2 | ¢342 | 3 | 4 | Interlocking | 9 - 12 | 24-45 | 100 -120 | |
3 | ¢355 | 3 | 4 | Interlocking | 9 - 14 | 24 - 56 | 100-120 | |
4 | ¢368 | 3 | 4 | Interlocking | 9 - 14 | 24 - 56 | 150-180 | |
5 | ¢377 | 3 | 4 | Interlocking | 9 - 14 | 24 - 56 | 150-180 | |
6 | ¢394 | 3 | 4 | Interlocking | 9 - 15 | 24 - 58 | 180-200 | |
7 | ¢406 | 3 | 4 | Interlocking | 9 - 15 | 24 - 58 | 180-200 | |
8 | ¢419 | 3 | 4 | Interlocking | 9 - 15 | 24 - 58 | 200-230 | |
9 | ¢440(445) | 3 | 4 | Interlocking | 9 - 15 | 24 – 58 | 220-260 | |
10 | ¢470 (482) | 3 | 4 | Interlocking | 9 - 16 | 24 – 60 | 220-260 | |
11 | ¢508 | 3 | 4 | Interlocking | 9 – 18 | 24 – 68 | 260-360 | |
12 | ¢530 (540) | 3 | 4 | 5 | Interlocking | 9 – 20 | 32 – 92 | 320-400 |
13 | ¢580(575) | 3 | 4 | 5 | Interlocking | 9 – 20 | 32 – 92 | 360-420 |
14 | ¢630 | 3 | 4 | 5 | Interlocking | 9 - 22 | 32 - 102 | 400-500 |
Our company founded in 2004, headquartered in Beijing, branch
factory in Shouguang, Shandong. The company is mainly engaged in
the production and sales of rotary piling kelly bars , drilling
tools, rotary piling rig overhaul, rig sales and accessories
supply.