NEMA 17 Stepper Motor 42HS40 with 50mm M8 Lead Screw & Nut
The Stepper Motor NEMA 17 40 mm with Attached 50mm M8 Lead Screw & Nut combines a standard 42×42 mm flange, 1.8° step angle, and 40 mm body length motor with an integrated M8 lead screw and anti-backlash nut. This all-in-one actuator delivers smooth rotary-to-linear motion, simplifying assembly and ensuring repeatable positioning in tight spaces.
Features
- 1.8° step angle with ±5 % accuracy.
- Bipolar, 2-phase (4-wire) configuration.
- Rated current 1.3 A – 1.7 A.
- Holding torque 0.41 Nm – 0.45 Nm.
- Integrated 8 mm lead screw with anti-backlash nut.
- Insulation resistance ≥100 MΩ@500 VDC.
- Ambient operating range –20 °C – +50 °C.
- Temperature rise under load ≤80 °C.
Specifications
| Parameter | Value |
|---|---|
| Model | 42HS40 |
| Step Angle | 1.8° |
| Step Accuracy | ±5 % |
| Phases | 2(bipolar,4-wire) |
| Rated Current | 1.2 A – 1.7 A |
| Phase Resistance | 1.5 Ω – 2.7 Ω |
| Phase Inductance | 2.8 mH – 3.7 mH |
| Holding Torque | 0.41 Nm – 0.45 Nm |
| Detent Torque | 0.02 Nm – 0.025 Nm |
| Rotor Inertia | 54 g·cm² – 57 g·cm² |
| Temperature Rise | ≤80 °C |
| Ambient Temperature Range | –20 °C – +50 °C |
| Storage Temperature Range | –20 °C – +70 °C |
| Insulation Resistance | ≥100 MΩ@500 VDC |
| Dielectric Strength | 500 VAC for 1 min |
| Number of Leads | 4 |
| Motor Length | 40 mm |
| Flange Size | 42×42 mm |
| Screw(LxDØ) | 50mm x 8 mm |
| Nut Type | Anti-backlash |
Applications
- Compact linear stages in 3D printers.
- Small-format CNC mills and routers.
- Laboratory syringe and dispensing pumps.
- Automated camera sliders.
- Medical device actuators.
Package Contents
- 1x NEMA 17 Stepper Motor 42HS40 with 50mm M8 Lead Screw & Nut.
- 1x 50cm 4-wires connection cable.
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