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Classification of Threaded Connection Drill Bits



Classification of threaded connection drill bits: Threaded drill bits consist of hard alloy and drill body, and are classified into column tooth type and sheet type according to the form of alloy. According to the form of the drill body, they can be divided into ordinary design type, easy return concave core design type, and reaming design type. According to the solid tooth process, they are divided into hot inlay process, cold pressing process, and welding process.

 

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