HTD 5M TIMING BELT PULLEY Type HTD 5M AF Type Teeth 40 Bore 3/4" Keyway 3/16" x 3/32" Synchronous gear diameter 2.461" Pitch Size 5.00mm Tooth width 16mm(for 15mm width belt) Material Aluminium alloy High Precision synchronous wheel and synchronous belt drive accurately, no slip, Constant rate of rotation. low noise. High transmission efficiency，More time saving Material Timing pulley aluminum alloy material, good rust resistance, oxidation treatment, no scratches. Mark Each timing belt pulley will be marked with the number of teeth and the size of the inner hole for ease of use. DIY manufacturing Timing pulley center position can continue processing, easy to meet the needs of specific scenes.