Description 4-wire bipolar stepper motor with 1.8° per step Specified to have a maximum current of 350mA Holding torque: 28 oz-in The 12V, 350mA, 28oz-in NEMA-17 Bipolar Stepper Motor is a 4-wire bipolar stepper which has 1.8° per step for smooth motion and a nice holding torque. View more Links PDF file