28BYJ-48-12. Assembly/installation: screw. Axis: axle with flat. Dimensions: housing 28x20mm, axle 5x9mm. Function: stepper motor. Input: 5-pin JST-XH connector. Note: 513 steps per turn. Spec info: unipolar stepper motor. Voltage: 12V. Weight: 37g. Quantity in stock updated on 13/11/2025, 15:19