Nema 17 Stepper Motor 3PCS High Accuracy 145mNm/20.53oz.in High Torque 20.5mm(0.81inch） Bipolar 1A-3.5V 1.8 Degree 2 Phase 4 Lead for 3D Printer/CNC Machine Tool

[Specifications]: Size: Nema 17 Bipolar Stepper Motor: 42x42x20.5MM / 1.66x1.66x0.81inch; Shaft Diameter: Φ 5mm (D Shaft Φ 4.5mm); Shaft Length: 24±0.5mm; 2 phase, 4 wires: Black (A+), Green (A-), Red (B+), Blue (B-); Step Angle: 1.8 degree; Phase: 2; Rated Current: 1A; Phase Resistance: 3.5Ω±10%Ω; Phase Inductance: 3.8mH±20%; Holding Togque: 145mNm (20.53oz.in); Rotor Inertia: 14.5g.cm²; Weight: 0.12kg.
[Simple Control]: The Nema 17 stepper motor only needs to provide the corresponding pulse signal, and does not need a feedback system, making the control circuit relatively simple.
[High Reliability]: On account of the simple structure and fewer parts, the stepper motor has high reliability and stable and reliable long-term work.
[Industrial Applications]: The stepper motor is widely utilized in mechanical equipment, conveying systems. To provide power drive, control, positioning and other functionalities. It can cater to various requirements for high-speed movement, high torque or high precision in motor and other industrial production processes.
[Packing List]: Including 3 pieces of Nema 17 stepper motors with 20.5mm size, each equipped with a cable. If you have any questions or need help, please feel free to contact us, we will be happy to serve you.

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