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Chuanda Drilling Machinery Co., Ltd.ChinaWeb Page Link: http://www.toboc.com/chuandadrillingmachinerycoltd
hole opener drill bit1.Hole openers are designed for the enlargement of pilot holes and large hole applications.Theyare also used for road and river crossing application.2.The hole openers are manufactured from AISI 4145H fully heat-treated alloy steel.All are available with carbide-milled teeth and insert cutters.Arms and cutters are hardfaced for protection in three different designs for varying conditions and rock formations.The design of the hole opener allows for field-changing the cutters.They has a wide range of hole opener types,including.Cutting StructureThe reamer mainly consists of four or more cones. Cutting Structure with premium tungsten carbide hardfacing or premium tungsten carbide insert of formulas and new techniques is utilized, and increases wear-resistance capability of reamer. The pilot is three cone bit( tricone bit ). Seal and LubricationHigh performance HNBR O-ring for bearing seal and advanced grease for lubrication. Product ApplicationIt is suitable for the large size well, mining and infrastructure applications.
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Chuanda Drilling Machinery Co., Ltd.