Non-captive Nema14 Linear Stepper with 400mm Tr556 lead screw
This model is economy linear stepper motor which named Nema 14 external linear actuator, the motor part is 34mm 1.8 degree 1A Nema 14 stepper motor. It was integrated with 400mm Tr5.56 threaded rod and a POM screw nut move along the threaded rod.
 
Electrical Specification :
Manufacturer Part Number: 14HY0001-400T556
Motor Type: External Linear Stepper
Step Angle: 1.8 deg
Holding Torque: 10Ncm(36.8oz.in)
Rated Current/phase: 1A
Phase Resistance: 30ohms
Voltage: 2.7V
Inductance: 37mH ± 20%(1KHz)
Physical Specification :
Frame Size: 35x 35mm
Body Length: 34mm
Lead Screw Length: 400mm 
Lead Screw Diameter: 5.56mm
Lead /Step: 2.4384mm
Lead/Revolution: 4.8768mm 
Number of Leads: 4
Lead Length: 400mm
Weight : 250g
Non-captive Nema14 Linear Stepper with 300mm Tr556 lead screw