Compact 4mm 5V 2-Phase 4-Wire Stepper Motor With Planetary Gearbox, Screw Metal Slider Nut, Precision Build For DIY CNC Machines And 3D Printers, Ultra Tiny Size, Smooth Motion And Higher Torque

Tiny 4mm 5V 2-Phase Stepper with Planetary Gear Drive - 1pc
✔️ 2-phase 4-wire micro stepper with planetary gearbox 4.25mm dia

This compact stepper motor combines a 4mm motor with a planetary gearbox for high-torque, space-saving motion. It’s perfect for tiny DIY CNC machines and 3D printers where precise, smooth control matters.

✅ Outer diameter 4.25mm, planetary gearbox integrated
✅ Slider stroke about 12mm
✅ Motor phase resistance about 14.4 ohms
✅ Weight about 3g
✅ Cable length difference between Model A and B is just the length of the cable; rest is the same
✅ Lead foot is fragile; handle gently to avoid damage

💡 What is a handy use case for a compact stepper motor with planetary gearbox?

These tiny drives provide precise motion in tight spaces. - handy for small CNC axes and 3D printer drives requiring precise movement - high torque in a tiny footprint suits micro-positioning tasks - easy integration in DIY projects with screw sliders and metal brackets