flanged drill pipe Ф273 mm for reverse circulation air lift drilling
Large diameter flanged drill pipe
flanged drill pipe for reverse circulation air lift drilling. It is a part of drill string to transmit the torque from the rotator of the pile-top drilling rig to the drill bit body
Air Lift Drill Pipe
drill pipe specification
Ф273*18*3000
Ф325*18*2500/3000
Ф325×20×2500
Ф351*20*3000
Ф377*22*3000
Ф377*24*3000
Ф406*26*3000
φ559*22-φ351*14*3500
flanged drill pipe for Large Diameter Hydraulic Driven Drilling
Large diameter flanged drill pipe for reverse circulation air lift drilling rig
large dia drill pipe with flange end for reverse circulation air lift drill size ф273mm,ф377mm, size200mm-800mm
Air lift drill pipe for reverse circulation
reverse circulation air lift drill rock reammer bit
Large diameter hole drag bit
air lift reverse circulation roller bit core barrel,core barrel for air lift reverse circulation drilling.reverse circulation AIR SWIVEL
underreaming bit for reverse circulation air lift drilling