What is the difference between a milling cutter and a drill?

What is the difference between a milling cutter and a drill?

What is the difference between a milling cutter and a drill? Milling cutterA milling cutter is a rotating tool with one or more teeth. When working, each knife tooth cuts off the allowance of the workpiece intermittently in turn. Milling cutters are mainly used for machining planes, steps, 溝, forming surfaces and cutting off workpieces