API Rock Tool 9 -1/2 Inch PDC Hole Opener of Diamond Drilling Tool Description : Drilling performance is improved while borehole quality is increased ...
DTH Drilling Tool 10 Inch 4 Blades HDD Back Reamer Of Drilling Borehole Assembly Description : Drilling performance is improved while borehole quality ...
Down The Hole Drilling Tools 9-1/2inch 7Bladds PDC Hole Opener Of Oil Water Drilling Well Specification Hole Diameter(In): 9 -1/2” Cutter Size (mm) : ...