Machine for drilling holes in frozen uncooked food of МСО-3 model works as follows: workpieces are manually put into a technological conveyor. The movement of the conveyor occurs discretely at 9 positions. During movement, the ends are cut off with a disk knife. During the stop automatic drilling is performed. Drilled workpieces are manually removed from the cassettes and put into packaging. When drilling through aspiration waste enters the receiver of air cyclone and cut off particles move into a special bunker near the saw. Maximum performance 3500 - 5500 pc/hour.