This is one of strongest bipolar Nema 17 stepper motor with 1.8 deg. step angle (200 steps/revolution). Each phase draws 2.1A, allowing for a holding torque up to 65Ncm(92oz.in). Electrical Specification: * Manufacturer Part Number: 17HS24-2104S * Motor Type: Bipolar Stepper * Step Angle: 1.8 deg. * Holding Torque: 65Ncm(92oz.in) * Rated Current/phase: 2.1A * Phase Resistance: 1.6ohms * Inductance: 3mH+/-20%(1KHz) Physical Specification: * Frame Size: 42 x 42mm * Body Length: 60mm * Shaft Diameter: 5mm * Shaft Length: 24mm * D-cut Length: 15mm * Number of Leads: 4 * Lead Length: 500mm * Weight: 500g 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

• 1.8 deg. step angle(200 steps/rev)
• Package include 1pc

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