This is a shaft- reversed stepper motor that is frequently used in CNC machines and 3D printers.
This is a Nema17 size stepper motor with a 1.7 x 1.7 inch (43.2 x 43.2 mm) faceplate.
The Nema 17 is larger and generally heavier than for example a Nema 14, but this also means it has more room to put a higher torque. However, its size is not an indication of its power.
High Quality Nema 17 42 BYG Shaft-Reversed Stepper Motor For 3D Printer DIY CNC
Step Angle: 1.8±5% degree/phase
Voltage: 4.2V DC
Resistance: 8.8±10% Ω/phase
Inductance: 6.0mH±20 %( 1kHz 1V rms)
Lead style: AWG26 UL1007
Comes with 70cm 4-Lead Wire
Holding torque: 40N.cm Min
Detent torque: 2.6N.cm Max
insulation resistance:100MΩ Min (DC 500V)
Insulation class: B (130°C)
Rotor torque: 57g.cm 2
70cm long cabe
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