Below is a list of Rotary Washers manufacturers from Grand Rapids, Michigan. Rotary washers are parts washing systems that tumble high volumes of small parts through a rotating drum that washes, rinses and dries them in a linear, continuous cycle. The parts travel through a spiral conveyor on the inner wall that moves them in a circular motion in order to clean all sides. High volumes of small parts, usually made of metal like nuts, bolts, fasteners, billets, pipe fittings, scrap metal, stampings, fittings and chain links as well as some plastic parts are washed in these systems.