Mini Rotary Drilling Rig _ 60KnM Torque _ 20m INTERLOCKING KELLY BAR _ 15.5t weight Kelly Bar Drilling
Foundation Drill Sany Sr280 Rotary Drilling Interlocking Kelly Bar #drillingtools #kellybar Hey guys, Here's a nice video showcasing several processes all in one job. Torch cutting, Arc Gouging, FLuxcore welding and Cylinder Crowd Drill Rigs | CZM USA Corp Unicorn Drill Asia Longest Interlocking Kelly Bar. ...