Circuitrocks Stepper Motor Bipolar 200 Steps/Rev 20x30mm 3.9V 0.6 A/Phase For a Holding Torque of 180 g-cm (2.5 oz-in)

Circuitrocks. Specifications. Size: 20mmsquare×30mm, not including the shaft NEMA 8). Weight: 60g2oz). Shaft diameter: 4mm D. Steps per revolution: 200. Current rating: 600mA per coil. Voltage rating: 3.9V. Resistance: 6.5 per coil. Holding torque: 180g-cm 2.5oz-in). Inductance: 1.7mH per coil. Lead length: 30cm 12. Output shaft supported by two ball bearings