Kelly bar is the key part of a drilling machine, and its quality directly affects the performance of the whole machine. Based on the rich manufacturing experience and by absorbing the advanced technology both at home and abroad,
We have 2 types kelly bar, interlocking kelly bar and frictional kelly bar. The kelly bar length depends on the actual needs of customers or the drilling machines' parameters.
FRICTION KELLY BAR TECHNICAL DATE:
| FRICTION KELLY BAR | |||||
| O.D.(mm) | Sections | Length(m) | Depth(m) | Depth(m) | Capable of supporting models |
| 299 | 3,4,5 | 9~14 | 24~65 | 120 | BAUER, SOILMEC, CMV, IMT, CASAGRANDEN LIEBHERR, MAIT SANY, LOVOL, ASAINT JOVE, 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 | 200 | |
| 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 | |
Bauer style kelly bar customer color blue 
