Kelly bar lock
Kelly Bar is a central component of the drilling machine. Its high quality directly affects the performance of the drilling machine. The Kelly Bar is responsible for transferring the torque of the rotary drive and the pressure of the crowd system to the drilling tool. The Kelly Bar has a shock absorber system that is activated by a spring.
Ideal for piling drilling
Specifications:
2 to 8 telescopic elements for a range of 15 to 140 meters depth
Torque transmission from 120 – 500 kNm
6 drive keys with large locking sockets