2mm Pitch GT Timing Belt Pulleys 6mm Belt Width Double Flange Aluminum Part # # Grooves Pitch Dia Outside Dia Flange Dia 0.015 Bore +0.001 -0 Overall Lg Hub Dia 0.015 Figure # Screw # Scws 2MGT-12GTF0604 12 0.301 0.281 0.480 0.125 0.562 0.480 1 4-40 1 2MGT-13GTF0604 13 0.326 0.306 0.505 " " 0.505 ...