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4 1/4 Inches PDC Drag Bit 3 Blades
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6 1/2 inches PDC step drag bit 3 Blades for hard welll drilling
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API 5 5/8 inches PDC Drag Bit 3 Blades for hard formation
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Low price API 6 Inches PDC step drag bit 3 wings in stock
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API factory of 4 5/8 Inches PDC drag drilling with 3 Blades
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152mm step drag bit 3 blades for geological exploration
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Low price 360mm step drag bit 3 blades for the hard formation
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6 Inches PDC Drag Bit 4 wings for hard well drilling
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AP 98mm step drag bit 3 Blades for geothermal drilling
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API 152mm PDC concave rock bit 4 Blades for well drilling
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9 7/8″ tungsten carbide PDC Drag Scraper Bit 3 Blades
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4 1/2 Inches PDC Drag Bit 3 Blades for oilwelll drilling