... pulley, V belt pulley AK BK sheave belt sheave,Taper bushing, QD bushing, split bushing, taper lock standard belt pulley, V belt pulley, AK BK sheave, belt sheave ... lock and lock assembles ,couplings,etc. Material, steel, stainless steel, according to customer's requirement.bolt on hubs ... bore, taper bore and QD bore3) Materials: 1045 steel, aluminum and stainless steel4) Surface finish: black oxidized ...