Casting Pulley 1.Material: Cast iron 2.ISO/British standard pulleys: SPZ/SPA ... pulley, timing belt pulley, 3V, 5V, BV pulley and so on. 2. Pilot bore, taper bore Pulleys(SPA ... , SPB, SPC AND SPZ), adjustable pulleys, multi wedge pulleys. 3. V- ... phosphate, painted or passavited. 6. With standardized desigh and well equipped CNC machining systerms. Our pulleys have high ...