China Standard 12 Teeth Htd 5m Synchronous Pulley Bore 5/6/6.35/7/8/10mm for Width 15/20mm Htd5m Timing Belts CZPT Pulley 12teeth K Type Custom idler pulley
China supplier Custom Htd 3m Timing Pulley 24 Teeth Bore 5/6/6.35/8/10/12mm for Width 10/15mm 3m Synchronous Belt Htd3m Pulley24teeth 24t CNC K Type double pulley