This model is almost exactly same as Haydon Kerk 35000 series size 14 non-captive stepper motor linear actuator. The motor part is 35mm body 1.8 degree 0.57A Nema 14 stepper motor, and it works with a 5.54mm (0.2181") diameter 150mm (5.9055") length lead screw, the linear travel is 2.438mm(0.096") per revolution.
This model is almost exactly same as Haydon Kerk 57000 series size 23 double stack non-captive stepper motor linear actuator. The motor part is 66mm body 1.8 degree 2.5A Nema 23 stepper motor, and it works with a 9.53mm (0.3752") diameter 250mm (9.8425") length lead screw, the linear travel is 10.16mm (0.4") per revolu..
This model is economy linear stepper which named Nema 17 Non-captive linear actuator, it was composed of 34mm 1.8 degree 0.4A Nema 17 stepper motor and 300mm length Tr8x8 linear screw.
Manufacturer Part Number: 17LS13-0404N-300G
Motor Type: Non Captive Linear Stepper
Step Angle: 1.8 deg
This model is economy linear stepper motor which named Nema 17 external linear actuator, the motor part is 48mm 1.8 degree 1.68A Nema 17 stepper motor. It was integrated with 300mm Tr6.35x2 threaded rod and a POM screw nut move along the threaded rod.
Manufacturer Part Number: 17E19S1684AF-30..
Manufacturer Part Number: 14HS20-1504D-PG14-E22-300
Motor Type: Bipolar Stepper
Step Angle without Gearbox: 1.8 deg
Holding Torque without Gearbox: 0.4Nm(56.6oz.in)
Rated Current/phase: 1.5A
Phase Resistance: 2.8ohms
Inductance: 3.8mH ± 20%(1KHz)
Number of Leads: 4
Lead Length: 500mm..