Linear stepper motor which named Nema 17 external linear actuator, the motor part is 34mm 1.8 degree 1.33A Nema 17 stepper motor. It was integrated with 300mm Tr8*4 threaded rod and a POM screw nut move along the threaded rod.
 
Electrical Specification : 
Manufacturer Part Number: 43HS34-1334-04LA
Motor Type: External Linear Stepper
Step Angle: 1.8 deg
Holding Torque: 23Ncm
Rated Current/phase: 1.33A
Phase Resistance: 30ohms
Voltage: 2.8V
Inductance: 37mH ± 20%(1KHz)

Physical Specification :
Frame Size: 42x 42mm
Body Length: 34mm
Lead Screw Length: 300m
Lead Screw Diameter: 8mm
Lead /Step: 0.02mm
Pitch: 2mm
Lead/Revolution: 4mm 
Number of Leads: 2
Lead Length: 775mm
Weight : 0.30g
 
Please note ： this economy solution linear stepper motor is not in stock, you need to contact us for customization service.