1、 What is a tool
Cutting tool is a kind of tool used in machining, also known as cutting tool. Most of the cutting tools are machine tools, but there are also hand tools. Since the cutting tools used in mechanical manufacturing are basically used to cut metal materials, the term "cutting tools" is generally understood as metal cutting tools.
2、 Tool classification
CNC tool is a kind of tool used in machining, also known as cutting tool. Generalized cutting tools include both cutting tools and abrasive tools.
According to the tool structure, it can be divided into:
（1） The integral type, inlay type, adopts welding or machine clamp connection. The machine clamp type can be divided into two types: non rotation and transposable, special types, such as composite tool, shock absorption tool, etc.
（2） According to the materials used in the manufacturing of tools, it can be divided into: high speed steel tools; Carbide tools; Diamond tools; Other material tools, such as cubic boron nitride tools, ceramic tools, etc.
（3） From the cutting technology, it can be divided into turning tools, drilling tools, cutting tools, milling tools, etc.
