V-pulley , European Standard : V-belt pulley for taper bushes: SPZ,SPA,SPB,SPC ,up to 10 grooves American standard 3V

V- pulley :

       1. European Standard :  V-belt pulley for taper bushes: SPZ,SPA,SPB,SPC ,up to 10 grooves

       2. American Standard :  Sheaves for taperbushes and QD bushes : 3V,5V,8V

       3.  Bore :  pilot bore,finish bore, taper bore , bore for QD bush

SPA,SPB,SPC pulley