planetary gearbox 2 stage for NEMA23 stepper motor input shaft 1/4inch 6.35mm

2 stage reducer ratio:15:1,20:1,25:1,30:1,35:1,40:1,50:1,70:1,100:1 .Please choose one Ratio you want.

2nd:We will ship the planetaryreducer as the standard dimension as follows:

3rd: If any question on thedimension of the planetary reducer, please write me the dimension drawing ofyour motor. We offer customize service for your motor and can help you choosethe suitable planetary reducer for your motor.

Here is the parameters of the planetaryreducer: