Hammers, Rods and Spacers; Manufacturers of Hammermill Wear Parts Screens . We offer one of the largest selection of Hammermill wear parts screens available. Click on any manufacturer link below for more info. ... Mill Technology. Mix Mill. Nelmore. New Holland. Paypec. Prater. S. Howe. Sprout Waldron. Stedman. Sundega. Veeees. Weightronics.