| Price | USD40000-USD60000 |
| MOQ | 1 set |
| Delivery Time | 5-8 work days |
| Brand | JTHL |
| Place of Origin | China |
| Certification | ISO |
| Model Number | 508 |
| Packaging Details | Packaged With Steel Pallet and Aluminium Film |
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 100 sets/ month |
| Usage | foundation pile | Place of Origin | China |
| Max Drilling depth | 69m | Packaging Details | Packaged With Steel Pallet and Aluminium Film |
| Model Number | 508 | Elements | 5 |
| Supply Ability | 100 sets/ month | Certification | ISO |
| Brand Name | JTHL | Payment Terms | L/C, T/T, Western Union |
| Lock Type | Frictional | Max Diammeter | 1500mm |
| Price | USD40000-USD60000 | Delivery Time | 5-8 work days |
| Product name | friction kelly bar | Minimum Order Quantity | 1 set |
508-5*15 Rotary drilling rig friction kelly bars
Friction type drill Kelly bar is a kind of drill pipe type with international advanced six-ribs distribution technology composition.The Kelly bar can generate pressure force when the Kelly bar rotarying can produce peripheral force and the rotary passing down the pressure force can produce the friction force.
Specification
| No. |
Diammeter of The First Section
|
Sections | Key Pressure Type | Length of per section(m) | Drill depth | Torque(KN.M) | ||
| 1 | ¢299 | 3 | 4 | Friction | 9-14 | 24-65 | 100 -120 | |
| 2 | ¢342 | 3 | 4 | 5 | Friction | 9 - 14 | 24 - 65 | 100 -120 |
| 3 | ¢355 | 3 | 4 | 5 | Friction | 9 - 14 | 24 - 65 | 100-120 |
| 4 | ¢368 | 3 | 4 | 5 | Friction | 9 - 14 | 24 - 65 | 150-180 |
| 5 | ¢377 | 3 | 4 | 5 | Friction | 9 - 14 | 24 - 65 | 150-180 |
| 6 | ¢394 | 3 | 4 | 5 | Friction | 9 - 15 | 24 - 70 | 180-200 |
| 7 | ¢406 | 3 | 4 | 5 | Friction | 9 - 15 | 24 - 70 | 180-200 |
| 8 | ¢419 | 3 | 4 | 5 | Friction | 9 - 15 | 24 - 70 | 200-230 |
| 9 | ¢440(445) | 4 | 5 | 6 | Friction | 9 - 15 | 24 – 85 | 220-260 |
| 10 | ¢470 | 4 | 5 | 6 | Friction | 9 - 18 | 24 – 102 | 220-260 |
| 11 | ¢508 | 4 | 5 | 6 | Friction | 9 - 18 | 24 – 102 | 260-360 |
| 12 | ¢530 | 4 | 5 | 6 | Friction | 9 - 20 | 32 – 114 | 320-400 |
| 13 | ¢580(575) | 4 | 5 | 6 | Friction | 9 - 24 | 32 – 138 | 360-420 |
| 14 | ¢630 | 4 | 5 | 6 | Friction | 9 - 26 | 32 - 150 | 400-500 |





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