Beefy Nema 17 Stepper Motor Set Pack of 3 With 2A 55Ncm Bipolar Torque for 3D Printer and CNC Extruder 1.8 Degree Step 4 Lead Low Noise High Torque for Smooth Precise Motion

3-Pack NEMA 17 Stepper Motors for precise 3D printing
✔️ 3x bipolar NEMA 17 motors, 55Ncm torque, 2A/phase, 1.8°

These three NEMA 17 stepper motors are built for precise motion control in small CNCs and desktop 3D printers. They are bipolar, have 4 wires with a 1 m cable, and require a current-controlled driver for smooth micro-stepping and accurate positioning. Common uses include axis drives in printers and hobby CNCs.

✅ Frame size 42 x 42 mm; body length 48 mm; shaft Ø 5 mm
✅ 4 leads; lead length 1000 mm; connection A+: Black, A-: Blue, B+: Green, B-: Red
✅ Step angle 1.8°; 200 steps per revolution; holding torque 55 Ncm
✅ Rated current per phase 2 A; phase resistance 1.3 Ω; inductance 2.4 mH ± 20%
✅ Weight 400 g; includes 1 m cable and connector

💡 What is a NEMA 17 stepper motor used for in small automation projects? This handy device powers precise motion in compact machines.
- Used to drive X and Y axes in 3D printers, small CNC routers, and extrusion systems
- Paired with a current-controlled driver for smooth micro-stepping
- Delivers reliable torque at low speeds for accurate positioning
- Compatible with standard 4-wire wiring (A+/A-, B+/B- configurations)