We could produce any brand ,any model ,any type drilling kelly bar .
Factory price
1) TECHNICAL SPECIFICATION OF FRICTION KELLY BAR
| Number | Out Diameter(mm) | Friction | Friction | Single Length(m) | Drilling Depth (m) |
| 1 | 273 | 9~12 | 24~33 | ||
| 2 | 299 | 4 | 9~12 | 24~44 | |
| 3 | 325 | 4 | 9~12 | 24~44 | |
| 4 | 355 | 4 | 5 | 9~14 | 24~65 |
| 5 | 368 | 4 | 5 | 9~14 | 24~65 |
| 6 | 377 | 4 | 5 | 9~14 | 24~65 |
| 7 | 394 | 4 | 5 | 9~15 | 24~70 |
| 8 | 406 | 4 | 5 | 9~15 | 24~70 |
| 9 | 419 | 4 | 5 | 9~15.5 | 24~72.5 |
| 10 | 440/445 | 4 | 5 | 9~15.5 | 24~72.5 |
| 11 | 470 | 4 | 5 | 9~16.5 | 24~93 |
| 12 | 508 | 4 | 5 | 9~18 | 24~102 |
| 13 | 530 | 4 | 5 | 9~19 | 24~108 |
| 14 | 575 | 4 | 5 | 9~19 | 24~108 |
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Remark 1) Max Hole Depth=pitch Numbe * Single number-Pitch number(m) |
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| 2)Any other Drill can be actual site measured ,customized produced.Torque is customized according to customer's requiements. | |||||
2) TECHINICAL SPECIFICATION OF INTERLOCKING KELLY BAR
| Number | Out Diameter(mm) | Friction | Friction | Single Length (m) | Drilling Depth (m) |
| 1 | 273 | 3 | 9~12 | 24~33 | |
| 2 | 299 | 3 | 4 | 9~12 | 24~44 |
| 3 | 325 | 3 | 4 | 9~12 | 24~44 |
| 4 | 355 | 3 | 4 | 9~14 | 24~65 |
| 5 | 368 | 3 | 4 | 9~14 | 24~65 |
| 6 | 377 | 3 | 4 | 9~14 | 24~65 |
| 7 | 394 | 3 | 4 | 9~15 | 24~70 |
| 8 | 406 | 3 | 4 | 9~15 | 24~70 |
| 9 | 419 | 3 | 4 | 9~15.5 | 24~72.5 |
| 10 | 440/445 | 3 | 4 | 9~15.5 | 24~72.5 |
| 11 | 470 | 3 | 4 | 9~16.5 | 24~93 |
| 12 | 508 | 3 | 4 | 9~18 | 24~102 |
| 13 | 530 | 3 | 4 | 9~19 | 24~108 |
|
Remark 1) Max Hole Depth=pitch Numbe * Single number-Pitch number(m) |
|||||
| 2)Any other Drill can be actual site measured ,customized produced.Torque is customized according to customer's | |||||
