1 5M Aluminum Timing Belt Pulley. Tooth width: 16mm/0.629". Tooth number: 25. We will much appreciate it and try to improve our service. We will try our best to save your problem ASAP. A=45mm/1.77" C=You can choose D=20mm/0.787" E=16mm/0.629" G=2-M5x4.
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