HTD 5M Idler Timing Pulley 20T Bearing Bore 5mm-15mm for 15/20/25mm Belt CNC
Applicable belt: 15mm 20mm 25mm width 5M-type timing belt. Inner hole: 5mm，7mm，6mm，8mm，10mm，12mm，15mm. Uses: used to adjust the tightness of the timing belt. Tooth pitch: 5mm. Number of teeth: 20.