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Standard 42 mm bipolar stepper motor used in 3D printers, CNC machines and camera sliders — precise 1.8° steps.
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NEMA 17 steppers move in precise 1.8° steps (200 per revolution) and hold their position under load, which makes them the standard motor for 3D printers, laser engravers and small CNC machines. This 4-wire bipolar motor works with A4988, DRV8825 and TMC drivers and comes with a connection cable.
| Frame | NEMA 17 (42 × 42 mm) |
|---|---|
| Step angle | 1.8° |
| Phases | 2 (bipolar, 4 wires) |
| Holding torque | ≈ 0.28 – 0.45 N·m depending on model |
| Shaft | 5 mm D-shaft |