Stone type coffee grinder is mainly for the purpose of grinding coffee, wheat, rice and ragi. A motor which is of capacity 1.Hp is provided and when coffee beans are fed into the chamber it becomes coarse or fine in the process of grinding with the help of two emery stones. The product is exclusive to the company and hence the technology is matchless in nature. The extensive use of stone type coffee grinder is in the small and coffee powder outlets. The stones would recede in time because of the usage but the replacement would done in a much cost effective manner for the lifelong survival of the machine.