Manual brushing machine for different metal surface working processes, depending on the type of brush that is mounted. Adjustable conveyor belt feed speed to ensure necessary finishing result. Variable brush speed also available on request. Machine user frendly that allows a clear reduction of costs compared to traditional automatic sanders. Brush group in unique structure with manual handwheel for positioning the heads on the work surface. The heads are open on the operator side to allow to process pieces wider than the conveyor belt. Suitable to be equipped with any type of cylindrical brush.