Bipolar Stepper Motor for 3D Printer/CNC Router (Nema 17)
Nema 17 Bipolar Stepper Motor 28N. cm 0.4A 18° 12V For CNC 3D printer DIY. 1x Stepper Motor. Step Angle:1.8°. Resistace Per Phase 30Ω±10%. Rotor Intertia: 34g. Number of phase: 2. Rated Current 0.4A.