According to the application, it can be divided into end mills and keyway milling cutters. End mills are divided into coarse teeth and fine teeth. Generally, a straight shank end mill with three cutting edges is called a coarse tooth milling cutter, and a straight shank end mill with more than three cutting edges (such as four or five) is called a straight shank end mill. For fine-tooth milling cutters. Taper shank milling cutters are also classified in this way.
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