0.9deg Nema 17 Stepper Motor Bipolar 2A 46Ncm/65oz.in 42x42x48mm 4-wires DIY CNC

This high torque and precision bipolar Nema 17 stepper motor with 0.9° step angle (400 steps/revolution). Each phase draws current 2A, allowing for a holding torque of 46Ncm(65.1oz.in). Electrical Specification * Manufacturer Part Number: 17HM19-2004S * Motor Type: Bipolar Stepper * Step Angle: 0.9° * Holding Torque: 46Ncm(65.1oz.in) * Rated Current/phase: 2.0A * Phase Resistance: 1.4ohms * Recommended Voltage: 12-24V * Inductance : 3.0mH±20%(1KHz) Physical Specification * Frame Size: 42 x 42mm * Body Length: 48mm * Shaft Diameter: ?5mm * Shaft Length: 24mm * D-cut Length: 15mm * Number of Leads: 4 * Lead Length: 500mm * Weight : 370g Connection: Black(A+), Green(A-), Red(B+), Blue(B-) Warning: Make sure the motor connect to a constant current or chopper drive controller before you test motor. Connecting the motor directly to a power supply will destroy the motor.