Our Best Plate for size #42 meat grinders. #42 size Commercial Meat Grinder plate. Hub Plate with 1/4 (6 mm) larger burger size grind holes. Replaces original Hobart part #s M-16438, 16439, 16440, 16441, 16442, 16443, 16444, 16445 and P-17522, plus BIRO, Berkel, Meet your Maker, Vevor, Cabelas and other commercial size #42 meat grinders. This plate measures 5 1/16″ (128 mm) across and 5/8″ (14.7mm) thick. Triple notched for Hobart model 4542 4342 and other commercial brands. Need a matching knife? We have them also. North America’s largest selection of stainless steel. Meat grinder parts and accessories.