High Cost Performance Carbide Rock Drill Bits For Medium And Hard Rock Drilling /Diamond composite (PDC) bit high cost performance Diamond composite ....
60mm,75mm,95mm,122mm Core Drill Bit For Well Drilling Three Wings/tricone PDC Drill Bits for coal mine opening hole We specialized in manufacturing .....
Tapered rock drill tool cross type bit drill bit 7°excellent drilling performance Product description Small hole tapered ground drill bit are the most ...
75MM PDC Concave Three Blade Wing Drag Drilling Bit For Geothermal Well Drilling Brief introduction PDC concave drill bit is composed of PDC cutters ....
85mm High Efficiency Wear Resistance PDC Concave Carbide Rock Drilling Three Wing Drag Bits For Well Drilling Product description PDC concave drill .....
Water Well Drilling Tungsten Carbide Hard Rock 8 1/2 Inch TCI Roller Tricone Rock Drill Bits Tricone Bit Description Tricone bit is one of the main .....
Water Well Drilling Tungsten Carbide Hard Rock 8 1/2 Inch TCI Roller Tricone Rock Drill Bits Tricone Bit Description Tricone bit is one of the main .....