wantai stepper motor Nema11,2phases, 32mm cnc router model 28BYGH102 Phase 2 Reted voltage 3.8V Resistance 5.6Ω / phase Holding torque 600g.cm Rotor Inertia 9 g.c㎡ Step Angle 1.8° Rated Current 0.67A Phase Resistance 3.4 mH Insulation Class Class B ...