470/5/15m Rotory Kelly Bar Drill Rig Bk420 Friction Kelly Rod

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470/5/15m Rotory Kelly Bar Drill Rig Bk420 Friction Kelly Rod

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470/5/15m Rotory Kelly Bar Drill Rig Bk420 Friction Kelly Rod

Frictional Kelly Bar OD470-5*15m Application:Foundation Drilling Hole Type:Telescopic Kelly Bar 4/5/6 sections Lock Type:Frictional Max Drilling Depth :69m Max Drilling Diammeter:3000mm OEM/ODM Both ...

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kelly bar drill rig Bk420

Rotory kelly bar drill rig

Bk420 Friction Kelly Rod

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