The NEMA 8 Stepper Motor is a compact and precise motion control motor designed for applications requiring accurate positioning and reliable performance. It features a step angle of 1.8° per step, providing smooth and controlled movement. With a typical holding torque ranging from 0.01 to 0.08 N·m and operating voltage around 5–12 V, it is ideal for small-scale automation, 3D printers, and precision instruments. The NEMA 8 motor is compatible with drivers and control boards for Arduino, Raspberry Pi, STM32, and ESP32, ensuring easy integration into embedded and robotic systems.
Specification
General Motor Type | Stepper Motor (Bipolar) Frame Size | NEMA 8 (20 mm × 20 mm) Step Angle | 1.8° per step (200 steps/rev) Electrical Characteristics Rated Voltage | 3.2 V DC Rated Current | 0.6 A per phase Number of Phases | 2 Coil Resistance | 5.3 ? per phase Mechanical Characteristics Shaft Diameter | 4 mm (round or D-shaft) Shaft Length | 10–15 mm (depending on model) Body Length | 25–38 mm (depending on torque version) Holding Torque | up to 0.06 N·m Detent Torque | 0.004 N·m Performance Step Accuracy | ±5% Maximum Speed | up to 600 rpm (load dependent) Environmental Operating Temperature | ?10 °C to +50 °C Storage Temperature | ?20 °C to +60 °C