Nema 17 Stepper motor 42HS4013A4 with 42XGS planetary gearbox. 1-stage include Ratio 3.71 and ratio 5.18, 2-stage include Ratio 14 19 and 27, 3-stage include Ratio 50 100 and ratio 139.
HAYOUYI - Over 11 years of production experience in stepper motor, stepper driver, reducer and CNC engraving machine. CN
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