Nema23 Planetary Gear Stepper Motor Ratio 20:1 3Nm L112mm 4.2A Gearbox CNC Speed Reducer Specifications : Motor Flange : 57mm (Nema23) Motor Length : L112mm Motor Shaft : 6.35mm Current : 4.2A Wire : 4-lead Torque : 3Nm Shaft:14mm keyway Gearbox thickness:53mm Wiring: black line=A+, green line=A-, red=B+, blue line=B- Weight : 3kg Package Included : 1 x Planetary Geared Stepper Motor. Nema23 Gear Stepper Motor Ratio 20:1 L112mm 3Nm Planetary Gearbox Stepper Motor. Nema23 Planetary Gear Stepper Motor Ratio 20:1 3Nm L112mm 4.2A Gearbox CNC Speed Reducer. Wiring: black line=A+, green line=A-, red=B+, blue line=B.1 x Planetary Geared Stepper Motor. If you need any CNC parts or repairs, welcome to contact me, we will try our best to help you. This item is in the category "Business, Office & Industrial\Industrial Automation & Motion Controls\Electric Motors\Stepper Motors". The seller is "cncpart2018" and is located in this country: CN. This item can be shipped worldwide.