HTD5M timing synchronous pulley mechanical transmission parts 5GT synchronous pulley 14T 15T 16T 18T belt width 10/15/20/25mmHTD 5M 14T/15T/16T/18T BF Type Timing PulleyType:HTD5M TypePitch: five mmTeeth Number: 14T/15T/16T/18 TeethBore:5/6/6.35/8/10/12/12.7/14/15 mmMaterial:Aluminium AlloyFixed mode: M5Fit for Belt Width : 10/16/20/25 mm