Hard alloy drill bit: commonly used for processing materials with high hardness, such as steel, cast iron, aluminum alloy, etc. It is also suitable for scenarios with high drilling accuracy and wear resistance requirements, such as mechanical manufacturing, automotive parts processing, construction ......
Rough drill bit: It belongs to unfinished drill bit semi-finished products, mainly used for subsequent grinding, coating and other processing procedures of drill bit manufacturers. The final finished drill bit will be put into actual use scenarios.