Drilling Machine Inter-locking Kelly Bar For Rotary Drilling Rig
1.Adoption of advanced international six-key type distribution technology and standard modular design.
2.The whole set of kelly bar with light weight, high strength, high linearity of the single section, thin pipe wall, small seam
between sections and good wear resistance of internal and external keys, it greatly satisfies the special requirements of rotary
drilling machine.
3.Strict selection of steel grade to make sure strength at the max torque.
4.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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