... , low noise, smooth and steady, high strengthModel numberStandard or nonstandard (single duplex and triple)20A10-100, 40A10-100, 60A10-100, 80A10 ... Machinery transmission sprocket: 12A-1-15T, material: C45\A3, surface: zinc plating, heat treatment, standard: ISO, ANSIOur stockProduction line ANSI bevel gear