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Carbide Alloy Steel PDC Cutter 3 Wings Diameter 200mm Alloy Bit for Soft Formations Drilling & Water Well Drilling, Find Details and Price about Core Bit<br /><br />High Pump from Carbide Alloy Steel PDC Cutter 3 Wings Diameter 200mm Alloy Bit for Soft Formations Drilling & Water Well Drilling - Qidong Fengsu Drilling Tools Co., Ltd.