rotary drilling rig kelly bar hot sell interlocking kelly
1.Strict selection of steel grade to make sure strength at the max torque.
2.Fine workmanship performed by professional workers.
| INTERLOCKING KELLY BARS | |||||
| OD(mm) | Sections | Length(m) | Depth(m) | Torque(m) | Capable of supporting models |
| 299 | 3/4/5 | 9—14 | 24—65 | 120 | BAUER,SOILMEC,CMV,IMT, CASAGRANDEN,LIEBHERR, MAIT,SANY,LOVOL,SUNWARD ,YUTONG,ZOOMLION,JINTAI |
| 340 | 3/4/5 | 9—14 | 24—65 | 120 | |
| 355 | 3/4/5 | 9—14 | 24—65 | 130 | |
| 377(368) | 3/4/5 | 9—14 | 24—65 | 150 | |
| 406(394) | 3/4/5 | 9—14 | 24—70 | 220 | |
| 426(419) | 3/4/5 | 9—15 | 24—70 | 220 | |
| 440 | 3/4/5/6 | 9—15 | 24—85 | 250 | |
| 470 | 3/4/5/6 | 9—16.5 | 24—91 | 250 | |
| 508 | 3/4/5/6 | 9—18 | 24—103 | 280 | |
| 530 | 3/4/5/6 | 9—20 | 24—114 | 300 | |
| 580(575) | 3/4/5/6 | 9—24 | 24—138 | 400 | |
| 630 | 3/4/5/6 | 9—26 | 24—150 | 480 | |


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