Cobalt-containing drill bit contains chemical element cobalt Co the purpose of adding cobalt into the raw materials of the drill bit is to improve the high temperature resistance and grinding resistance of the drill bit, so as to achieve the goal of drilling. In practice, it is generally used for processing stainless steel, copper and aluminum products. These products all have high tensile characteristics, that is, poor plasticity. During the drilling process of these materials, the cutting discharged is attached to the drill bit. In order to solve this problem, later generations invented cobalt drill, group drill and so on. Just like two tightly held hands, if you have to pull them hard, you have to buckle and grind them at the separation place. In this way, high temperature is generated. When a common drill bit encounters high temperature, it expands rapidly. The torque constantly exerted by bitstock parts makes the drill bit itself broken, or the drill tip cannot be used. In a simple sentence, cobalt-containing drill is added with chemical element cobalt, which is used to cut high grinding and is easy to produce high speed steel bit of high temperature metal.
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