General description This Nema 17 stepper motor is designed for DIY projects, including 3D printers and CNC machines. It features a short height design, making it suitable for applications where space is limited. With a holding torque of 13Ncm (18.4 oz.in), this motor provides reliable performance for various tasks. Technical specifications Manufacturer Part Number: 17HS08-1004S Motor Type: Bipolar Stepper Step Angle: 1.8° (200 steps/rev) Rated Current/Phase: 1.0A Phase Resistance: 3.5 ohms Inductance: 4.5 mH ±20% (1KHz) Frame Size: 42 x 42 mm Body Length: 20 mm Shaft Diameter: 5 mm Shaft Length: 20 mm D-cut Length: 16.5 mm Number of Leads: 4 Lead Length: 400 mm Weight: 140 g Connection Black (A+) Green (A-) Red (B+) Blue (B-) Warning Ensure the motor is connected to a constant current or chopper drive controller before testing. Connecting the motor directly to a power supply may damage the motor. Other information