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Place of Origin:CNGUIProcessing Type:CastingBrand Name:NeutralMachine Type:Drilling ToolMaterial:High Manganese Steel, Tungstern Carbide, Carbon SteelType:Drag Drill BitsUse:Water Well Drilling, Ore Mining, Coal Mining, Rock DrillingCertification:ISO9001:2015, SGSThe Other Name:Tungsten Carbide Blade Drag Drill BitThread Connection:2 3/8