... , bushes ,Taper bushing, QD bushing, split bushing, taper lock and lock assembles ,couplings,etc. Material, steel, stainless steel, according ... ) Adjustable sheaves: poly V-pulley, multi-pitch H, L, J, K and M3) Bore: pilot bore, finish bore, taper bore, bore ... iron, ductile iron, nylon, aluminum6) Made according to drawings and/or samples; OEM inquiries welcomed Timing pulley specifications:1) Models ...