... as request We mainly produce:heavy iron caster wheel, heavy full iron caster wheel, pulley rail wheel, industrial iron caster wheel, full ... door wheel Light cast iron caster wheel 3-5 inches. Industrial heavy thickening 4-8 inch iron caster wheel, 6-12 inches ... to conditions of use choose spraying plastics or galvanized. 2.Heavy-duty casters wheel choose pressure bearing, roller bearing and ball ...