General description This High Torque Nema 17 Bipolar Stepper Motor is designed for high performance, featuring a very high torque output, making it one of the strongest motors in its class. With a step angle of 1.8 degrees, it provides precise control for various applications. Technical specifications Motor Type: Bipolar Stepper Step Angle: 1.8° (200 steps/revolution) Holding Torque: 65Ncm (92oz.in) Rated Current/phase: 2.1A Phase Resistance: 1.6 ohms Inductance: 3mH +/- 20% (1KHz) Frame Size: 42 x 42 mm Body Length: 60 mm Shaft Diameter: 5 mm Shaft Length: 24 mm D-cut Length: 15 mm Number of Leads: 4 Lead Length: 500 mm Weight: 500 g Color: Black Material: Metal Other information Connection: Black (A+), Green (A-), Red (B+), Blue (B-) Warning: Ensure the motor is connected to a constant current or chopper drive controller to avoid damage. Package Contents: 1 * MOTOR Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual