1. Overall: The knife and the tooth are made into one.

2. Overall welding tooth type: The blade tooth is made of hard alloy or other wear -resistant knife materials, and welded on the knife body.

3. Tooth inlaid: The method of clamping the tooth is tightly fastened on the knife body. This replaceable knife tooth can be the knife head of the overall tool material, or it can also be the knife head of the welded knife material. The milling cutter grinding on the knife head is called the blade grinding in the body;

3. Converter (see convertible tools): This structure is widely used in facial milling cutters, vertical milling cutters, and three -sided blade milling cutters.