Drilling Depth 51.5m Friction Kelly Bar Tube 406-4*14mm For Rotary Piling Rig Kelly Bar Tube 406-10*14 Application:Foundation Drilling Hole Attachment ...
Kelly Bar Tube 508-6*16 Application:Foundation Drilling Hole Attachment Type:Telescopic Kelly Bar 5 sections Lock Type:Frictional Max Drilling Depth ....
Foundation Frictional Kelly Bar 355-5*11mm Application:Foundation Drilling Hole Attachment Type:Telescopic Kelly Bar 5 sections Lock Type:Frictional ....
Frictional Kelly Bar OD377-5*12m Foundation Pile Kelly Bar Application:Foundation Drilling Hole Attachment Type:Telescopic Kelly Bar 5 sections Lock ....
Frictional Kelly Bar OD580-6*20m Application:Foundation Drilling Hole Type:Telescopic Kelly Bar 4/5/6 sections Lock Type:Frictional Max Drilling Depth ...
High Efficiency Construction Machinery Friction Kelly Bar 83m Drilling Depth 3000mm Diammeter Frictional Kelly Bar 470/6/15m Friction type drill Kelly ...
Frictional Kelly Bar 355-54*12m Application:Foundation Drilling Hole Type:Telescopic Kelly Bar 4/5/6 sections Lock Type:Frictional Max Drilling Depth ...
Rotary Construction Drilling Rig Piling Kelly Bar Frictional Lock 40m Frictional Kelly Bar Friction type drill Kelly bar is a kind of drill pipe type ...
Engineering Piling Interlocking Friction Kelly Bar 63m Frictional Kelly Bar 355/4/17m Friction type drill Kelly bar is a kind of drill pipe type with ...