... :T2.5,T5,T10,T20,AT5,AT10,AT202. HTD Pulleys, Taper Bushed, QD optional :HTD-2M,3M,5M,8M,14M,20M ... ,S4.5M,S5M,S8M,S14M,RPP2M,RPP3M,RPP5M,RPP8M,RPP14M3. Taper Bushed Synchronous: MXL, XL, L, H,XH,XXH Pulleys Advantages ... oil, anti-heat, anti-ageing, anti-ozone etc.To ensure good quality of synchronous belt, the main raw materials(e.g ... draw with customer's required. 8M timing belt pulleys with taper sleeve