China Mill Tooth Tricone Bit 13-1/2 " Three Roller Cone Drill Bit  Of Oilfield Drill Bit

Mill Tooth Tricone Bit 13-1/2 " Three Roller Cone Drill Bit Of Oilfield Drill Bit

Type: Tricone Drill Bit
Use: Oil ,gas ,minig ,drilling
Material: Diamond ,Alloy Steel ,Tungston Carbide
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