NEMA 17 stepper motors are used in almost all the Reprap 3D Printers. This motor comes with a 0.9 deg/step resolution which will improve the acuracy of the movement. This can be used to drive your X and Y axis to improve the resolution. The increased resolution is usually not required for the Z axis. This is a high torque, bi-polar, 4-wire stepper motor and comes with pig tail leads.

Specifications:

• Size: NEMA 17 (42mm x 42mm)
• Length: 48mm
• Step angle: 0.9 Degrees
• Rated voltage: 2.8V
• Current/Phase: 1.68A
• Resistance/Phase: 1.65 Ohm
• Inductance/Phase: 4.1mH
• Holding Torque: 4.2kg.cm (0.42Nm)
• Number of leads: 4
• Rotor inertia: 68g.cm^2
• Weight: 366g