What are the mills made of?
Modern toolsUsually high speed steel or hard alloy
Tungsten steel, high speed steel, there are also some other material
There are many kinds of tool base materials, such as tool steel, high speed steel, cemented carbide, single crystal diamond, polycrystalline diamond PCD, polycrystalline cubic boron nitride PCBN, and diamond CVD. The most commonly used carbide, superhard cutting tools generally use PCD and PCBN two kinds of materials.
