OD355x4 x12m Interlocking Kelly Bar For Rotary Drilling Machine Soilmec SR40 OD355x4 x12m Interlocking Kelly Bar Application Foundation Construction ....
High Quality OD355x4 x12m Interlocking Kelly Bar For Rotary Drilling Machine Soilmec SR40 OD355x4 x12m Interlocking Kelly Bar Application Foundation ....
Drilling Tools OD419x3 x12.5m Interlocking Kelly Bar Application Foundation Construction Piling Tools Attachment OEM/ODM Both Available Manufacturer ....
OD419 x4 x15m Interlocking Kelly Bar Jietaihongli Kelly Bar For Drilling Machine OD419 x4 x15m Interlocking Kelly Bar Application Piling Rigs OEM/ODM ...
Construction Lift Joint Kelly Bar Rotary Drilling Rig for Piling Machine Application Hard Rock Layer Construction Drilling Hole OEM/ODM Both Available ...
Drilling Rig Kelly Bar Interlocking Kelly Bar 4 Sections 440 Lock Drill Pipe Application Pile foundation pilling Hole Equipment Spares OEM/ODM Both .....