RS PRO Timing Belt Pulley, Aluminium 9mm Belt Width x 3mm Pitch, 21 Tooth

Part of an extensive range of High Torque Drive (HTD) timing pulleys in pilot bore type and taper lock bush type. The material used for smaller pulleys is Aluminium, medium sizes are in Steel, larger sizes in Cast Iron, all featuring flanges made from steel. HTD, CXP and CXA belts are all designed to run on these pulleys.