In some applications, the machine require motor to have a high torque force or low speed but a compact size so in this case frankhumotor's NEMA 17 planetary gear box stepper motor is an ideal choice. Frankhumotor provides NEMA 17 stepper motor integrated with a size 42mm precision planetary gearbox to achieve higher torque output or very low speed at limited space for accurate positioning and operation. Frankhumotor provides two kinds of precision NEMA 17 gear box stepper motors and the KG series is the best one, and then HG series.

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