V Belt Pulley 1.Material: Cast iron 2.ISO/British standard pulleys: SPZ/SPA/SPB/SPC 3.MPTA standard pulley 4.OEM allowed ... manufacturer for lots of pulleys, such as V belt pulley, timing belt pulley, 3V, 5V, BV pulley and so on. 2. Pilot bore, taper bore ... , SPC AND SPZ), adjustable pulleys, multi wedge pulleys. 3. V-belt pulley for taper bush, with solid hubs. Standard sheaves, taper bushes ...