SM42-33M SM42-33M -- stepper motor, 34 in-oz torque US $37.00 BUY NOW! SM42-38M SM42-38M -- stepper motor, 55 in-oz torque US $37.00 BUY NOW! SM42-47M SM42-47M -- stepper motor, 67 in-oz torque US $39.00 BUY NOW! 42mm--NEMA 17  (3) Top of Page