HTD Timing Belt Pulley For Belt Series HTD For Belt Width 85 mm For Bushing Size SH For Bushing Type Quick Detachable For Use With HTD Belts Material Cast Iron Maximum Bore Diameter 1 5/8 in Minimum Bore Diameter 1/2 in Number of Teeth 34 Outside Diameter 3.819 in Pitch 8 mm Pitch Diameter 3.409 in Face Width 3.75 in Features Built for High-Torque Low-Speed Applications Outperforms Industry Standards Superb Flexibility Finish Black Oxide For Belt Trade Size HTD