It is matched with a magnet drilling machine, the multi-edge annular cutter is widely used in magnet drilling machines, drilling machines, CNC drilling machines, and other machines, to achieve high-efficiency drilling and shorten the manufacturing period efficiently. The annular cutter is a very efficient tool for modern steel structural component drilling and circular groove processing.  Meanwhile, it is also a green product that is energy saving and consumption reduction and in line with the development of the low-carbon economy.