Parts feeder equipment category for automatically aligning and supplying small components and fasteners on manufacturing lines. Handles automation equipment including vibratory bowl feeders, linear feeders, and step feeders that align small-diameter parts such as screws, nuts, washers, electronic components, and resin molded parts in a consistent direction for continuous supply to assembly equipment and processing machinery. Specialized parts supply equipment featuring vibration control systems, part separation mechanisms, and supply speed adjustment functions to achieve production line efficiency and unmanned operation.