42x42mm Nema 17 1.8 Degree 1.2A CNC 3018 Stepper Motor Two Phase
42×42×40mm Nema 17 Stepping Motor with 1.8° step angle and 2-phase configuration, delivering 1.2A rated current. Ideal for DIY CNC machines and precision motion control applications.
The 42mm Hybrid Stepper Motor Series offers powerful holding torque in compact dimensions. When paired with a microstepping driver, it reduces vibration and achieves higher step resolution. Available in standard configurations or customized to your specific requirements.
- Bipolar or unipolar versions available
- Hybrid stepper construction
- Available in single or double shaft versions
- CE and RoHS approved
- Customizations on request
| Step Angle | 1.8° |
| Frame Size | 40 mm |
| Number of Phase | 2 Phase |
| Rated Current | 1.2 A |
| Holding Torque | 450 mN.m |
| Resistance | 3.1 ohm |
| Inductance | 15 mH |
| Rotor Inertia | 57 g-cm² |
| Motor Weight | 0.3 kg |
| Number of Leads | 4 |
| Connection | Bipolar |
Step Angle: 1.8°
Maximum Temperature: 80°C maximum
Ambient Temperature: -20°C to 50°C
Storage Temperature: -20°C to 100°C
Humidity Range: 85% or less, non-condensing
Magnet Wire Insulation: Class B 130°C
Insulation Resistance: 100M Ohm at 500 VDC
Dielectric Strength: 500 VDC for 1 min
| Model | Holding Torque | Step Angle | Motor Length | Type of Shaft | Rated Current |
|---|---|---|---|---|---|
| 42SHD4950 | 0.13N.m | 1.8° | 20mm | D Shaft-20mm | 1.0A |
| 42SHD4003 | 0.26N.m | 1.8° | 34mm | D Shaft-20mm | 0.4A |
| 42SHD0261 | 0.45N.m | 1.8° | 40mm | D Shaft-20mm | 1.68A |
| 42SHD4425 | 0.59N.m | 1.8° | 48mm | D Shaft-24mm | 2.0A |
| 42SHD4813 | 0.8N.m | 1.8° | 60mm | D Shaft-24mm | 2.1A |
If our standard motor cannot meet your needs, we can customize the motor according to your requirements. Customized content includes but is not limited to special shafts, winding parameters, installation dimensions, lead wires with special requirements, connectors, and more.
Please click the "Get a quote" button to tell us your specific requirements and receive a customized solution.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.