Linear actuator stepper motors deliver long life, high accuracy and unsurpassed repeatability in a package that is extremely compact and low cost. These 1.8° 2-phase linear actuator stepper motors with NEMA 17 (1.7" / 42.7mm square flange) can be operated at very high resolutions, dependent on the stepper motor drive.
LM17 NEMA 17 Non-captive Linear Stepper Motor
NEMA 17 (42 mm) 1.5 A, 1.8° non-captive linear actuator stepper motor delivering a maximum thrust of up to 50 lbs (22 kg)