1. Coated Composite Drill Bit High processing efficiency We all know that in the past traditional thread processing, there are taps, die, turning and other ways. The thread of turning is restricted by the actual production. Whether it is the thread of large caliber or the thread on the slender shaft

Cutting tools, an extremely important part of the equipment manufacturing industry, are tools used for cutting in mechanical manufacturing, also known as cutting tools. Since the tools used in mechanical manufacturing are basically used to cut metal materials, the term "tool" is generally understood