High Torque NEMA 17 Stepper Motor: This size 42mm NEMA 17 high torque hybrid bipolar stepping motor has a 1.8° step angle(200 steps/revolution) and a body length 80mm. Each phase draws a current 2.5A, allowing for a strong holding torque of 0.95Nm. This strong stepper motor is widely used for 3D printing, CNC machine, and robots.
High Torque NEMA 17 Stepper Motor Specification
- Part Number: 42AI80-2504S
- Step Angle: 1.8deg
- Bipolar/Unipolar: Bipolar
- Holding Torque: 0.95Nm
- Rated Current/phase: 2.5A
- Phase Resistance: 1.6ohms
- Inductance: 4.0mH
- Driving Voltage: 12-24VDC
- Frame Size: 42x42mm
- Body Length: 80mm
- Shaft Diameter: Φ8mm
- Shaft Length: 30mm
- Keyway Length: 26mm
- Number of Leads: 4
- Lead Length: 500mm
- Weight: 750g
- Stepper Drive: FLKH2D1228DC
Overall Size

If you need a PDF data sheet, please send the email to: info@frankhumotor.com!
luca coletta (verified owner) –
the best motor ever mounted
Frank Hu –
Thank you very much!