Zoomlion Rig Kelly Bar
Kelly bars that support Zoomlion drilling rigs are made using high quality steel materials and heat treated steel materials that have been manufactured using advanced production technology (including a high strength, high abrasion resistance, and reliability). These kelly bars have won outstanding praise from our customers.
The kelly bar drive stubs are available in specifications of 150 x 150, 200 x 200, and 250 x 250. Customers can also choose customized options.
Weight is not indicated in the data sheet. For exact details, please contact us directly.
Zoomlion Rig Kelly Bars Selection Parameters
| Rig's Model | Kelly Bar Domination | Number of Tubes | Outer Pipe Length (m) | Drilling Depth (m) | Transportation Length (mm) |
| ZR160A | Interlocking | 4 | 12 | 42 | 13.5 |
| Friction | 5 | 12 | 55 | 13.5 | |
| ZR220A | Interlocking | 4 | 13.3 | 48 | 14.8 |
| Friction | 5 | 13.3 | 60 | 14.8 | |
| ZR250B | Interlocking | 4 | 15.5 | 56 | 17 |
| Friction | 6 | 15.5 | 84 | 17 | |
| ZR250C | Interlocking | 4 | 15.5 | 56 | 17 |
| Friction | 6 | 15.5 | 84 | 17 | |
| ZR280A | Interlocking | 4 | 15.5 | 58 | 17 |
| Friction | 6 | 16 | 86 | 17.5 | |
| ZR280C | Interlocking | 4 | 16 | 58 | 17.5 |
| Friction | 6 | 16 | 86 | 17.5 | |
| ZR360C | Interlocking | 4 | 18 | 58 | 19.5 |
| Friction | 6 | 18 | 86 | 19.5 |
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Links：https://www.globefindpro.com/products/41220.html
Links：https://www.globefindpro.com/products/41220.html
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