Nema 17 Stepper Motor 1.8 Degree 2 Phase High Torque 0.13 Nm Bipolar 4 Wire Pancake Style 42x21mm With 5mm Shaft And 24mm Length 1 Meter Cable Ideal For 3D Printer CNC Machines DIY Makers Robots And Heavy Load Positioning

Nema 17 Stepper Motor 0.13 Nm High Torque, 1m Cable 1pc
✔️ 1.8° step angle, 2-phase bipolar, 0.13 Nm torque, 42x42x20.5mm

The NEMA 17 pancake stepper motor is a compact, high‑torque two‑phase device designed for precise rotary positioning. Its small footprint fits tight enclosures in 3D printers, CNC machines, DIY robots, and heavy-load positioning. Works well with linear slide units and sealed ball bearing mounts for reliable motion.

✅ Step angle 1.8° (200 steps/rev)
✅ Holding torque 0.13 Nm (18.41 oz-in)
✅ Bipolar, 4-wire with 1 m cable, color coded A+ A- B- B+
✅ Frame 42x42x20.5 mm; shaft Ø5 mm; shaft length 24±0.5 mm
✅ Rated current 1.0 A; resistance 4.2 Ω; inductance 3.4 mH ±20%
✅ Weight 124 g; rotor inertia ~16.5 g·cm²
✅ Dielectric strength 500 V AC; insulation class B (130°C); operating range -20°C to +50°C

💡 What is a stepper motor used for in DIY CNC and 3D printer builds? Stepper motors provide precise, incremental motion and hold position without feedback.

- Handy for positioning X, Y, and Z axes in printers and small CNCs
- Works with common drivers for reliable open-loop control
- Helps achieve consistent layer heights and repeatable tool paths