This is the strongest model for Nema 23 stepper motor, it with 1.8°step angle (200 steps/revolution). Each phase draws 4.2A, allowing for a holding torque of 3.0Nm(425oz.in).

Specifications:

• Manufacturer Part Number: 23HS45-4204S 57x100
• Step Angle: 1.8°
• Holding Torque: 3.0Nm(425oz.in)
• Rated Current/phase: 4.2A
• Phase Resistance: 0.9ohms
• Recommended Voltage: 24-48V
• Inductance: 3.8mH±20%(1KHz)
• Weight: 1.8kg
• Lead Length: 30cm
• 8mm Motor Shaft