Brand New ultra compact NEMA11 bipolar stepper motor from OSM one of the largest stepper motor manufacturers in China. Ideal for limited space applications. This is a 0.67A, 1.8deg, single shaft model with holding torque 16.7 oz-in/12 N.cm. The shaft is 5mm diameter and 20mm long. Connection is made through 4-wires (Black, Green, Blue, Red) 500mm long stripped and tinned. See specification sheet for more details. This model can be re-ordered and supplied in bulk as required, email sales@alltronics.com with your RFQ for larger orders > 100.