Gates PowerGrip GT3 5mm synchronous belt 600-5MGT-25 9400-8120. The highest density 5mm rubber belt, the PowerGrip GT3 belt has twice the load carrying capacity of its predecessor HTD�. In addition, less width is required compared to HTD, allowing lighter, more compact drives. PowerGrip GT3 belts are suitable for many applications including data storage, machine tool, hand power tools, postage handling, DC Stepper/Servo, food processors, office machines, centrifuges, money handling, medical diagnostic, sewing machines, ticket dispensers, robotics, vending machines and vacuum cleaners.