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Iadc Code 531 Tricone Bit Drilling With 3 Nozzles

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Polishing API Thread TCI Steel Tooth Tricone Bit Drag Drill Bit 6 1/4"-18"

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Factory Price 2020 Tungsten Carbide Hard Rock 8 1/2 Inch Blue Roller Tricone Rock Drill Bits For Water Well Drilling

Tricone Rock Bit (drilling bit)