Grinder with metal grinding disc

The utility model discloses a grinding engine with metallic millstone, which relates to the articles for daily use. The proprietary technology of pulp grinder with handle in the patent (the application number of which is 99219238) has questions that the life is short and the hard-material is not capable of grinding, thereby the grinding engine with metallic millstone, simple structure, long durability and capable of grinding the soft and hard material is made. The utility model is characterized in that a metallic inner millstone (4) with helical teeth type shape is inlaid at the lower end of the screw type handle, a metallic outer millstone (5) with helical teeth type inner wall is inlaid at the lower end of the milling tubular, and the metallic inner millstone (4) is adjacent with the metallic outer millstone (5).