18 inch diamond atta chakki machine, a commercial flour mill with an 18 Inch X 50 MM diamond cutter emery stone and a 10 HP three phase motor at 1440 RPM on 440 V. It grinds wheat, maize, millets, rice, ragi, gram, moong, jowar, coriander and more, at about 100 to 120 Kg. The diamond cutter emery stone gives longer stone life and much lower maintenance than traditional emery stones, saving on labour and stone replacement, which makes this mill a fit for new business startups. It is easy to operate and to move: the yellow-painted mill and black motor sit on a frame with castor wheels, with a red hopper on top and a belt-and-pulley drive. Power consumption is 7.5 Unit her Hour, shaft diameter is 40 MM, bearing size is 6208 2RS and weight is about 290 Kg.