This hybrid bipolar Nema 14 stepper motor with 1.8 deg. step angle (200 steps/revolution).
Each phase draws 0.4 A at 12 V, allowing for a holding torque of 14Ncm(20oz.in).

Electrical Specification:

* Manufacturer Part Number: 14HS10-0404S
* Motor Type: Bipolar Stepper
* Step Angle: 1.8 deg.
* Holding Torque: 14Ncm(20oz.in)
* Rated Current/phase: 0.4A
* Phase Resistance: 30ohms
* Inductance: 30mH+/-20%(1KHz)

Physical Specification:

* Frame Size: 35 x 35mm
* Body Length: 26mm
* Shaft Diameter: 5mm
* Shaft Length: 20.5mm
* D-cut Length: 16.5mm
* Number of Leads: 4
* Lead Length: 400mm
* Weight: 140g

Connection:

Black(A+), Green(A-), Red(B+), Blue(B-)

Warning:

Make sure the motor connect to a constant current or chopper drive controller before you test motor.
Connecting the motor directly to a power supply will destroy the motor.