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1103A Tianhui Building, Yeqin 1st Road, Longcheng Street, Shenzhen, Guangdong, China






This high precision motor NEMA 17 features a 0.9° step angle, 0.44Nm holding torque, and customizable shaft configurations including 10mm short shaft, 24mm front shaft, and optional dual shaft versions with 13mm or 15mm rear shaft. Designed for CNC equipment, 3D printers, robotics, and automation systems, the motor delivers smooth motion, accurate positioning, and excellent compatibility with mainstream stepper drivers.
This high precision motor nema 17 is engineered for industrial automation, CNC systems, robotics, and motion control applications requiring flexible shaft configurations and accurate positioning performance.
The motor features a fine 0.9° step angle and 0.44Nm holding torque for smoother movement and higher resolution compared with standard 1.8° stepper motors.
In addition, this motor supports multiple shaft customization options including 10mm short shaft, 24mm extended shaft, and optional dual shaft configurations with 13mm or 15mm rear shaft designs.
Therefore, it is widely used in precision transmission systems, encoder assemblies, belt drive systems, and compact automation equipment.
| Parameter | Specification |
|---|---|
| Motor Type | Motor NEMA 17 |
| Step Angle | 0.9° ±5% |
| Number of Phases | 2 |
| Phase Voltage | 3.0 VDC |
| Phase Current | 1.68A |
| Phase Resistance | 1.65Ω ±10% |
| Phase Inductance | 4.1mH ±20% |
| Holding Torque | 0.44Nm |
| Insulation Class | Class B |
| Insulation Resistance | 100MΩ Min. (500V DC) |
| Ambient Temperature | -20°C to +50°C |
| Ambient Humidity | 15% to 95% |
| Motor Weight | Approx. 0.38kg |
| Use Voltage | 12–36VDC |
| Recommended Driver | OK2D4020A |
This motor follows standard nema 17 size specifications for compatibility with most CNC machines, 3D printers, and industrial automation systems.
The standard nema 17 shaft diameter is 5mm for easy integration with couplers, pulleys, and timing belt systems.
| Mechanical Item | Dimension |
|---|---|
| Frame Size | 42 × 42 mm |
| Motor Body Length | 48 mm |
| Front Shaft Options | 10mm / 24mm |
| Rear Shaft Options | 13mm / 15mm |
| Shaft Diameter | 5 mm |
| Mounting Hole | 4 × M3 |
| Cable Length | 500 mm |
| STEP | A+ | B+ | A− | B− |
|---|---|---|---|---|
| 1 | + | + | − | − |
| 2 | − | + | + | − |
| 3 | − | − | + | + |
| 4 | + | − | − | + |
| Wire Color | Phase | Description |
|---|---|---|
| Black | A+ | Phase A Positive |
| Green | A− | Phase A Negative |
| Red | B+ | Phase B Positive |
| Blue | B− | Phase B Negative |
This motor nema 17 is compatible with TB6600, DM542, DRV8825, TMC2209, TMC5160, and A4988 stepper driver systems.
Download the full specification sheet for detailed parameters, wiring guide, and performance curves.
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