Nema 8 Stepper Motor 1.8‌°‌ 2 Phase High Torque 1.6Ncm(2.27oz·in) Bipolar 20x27mm 0.4A 13Ω 4-Wire Shaft 10mm φ4mm 20 Smallest Stepper Motor Cable 0.5M for 3D Printer DIY Robot CNC Machine

NEMA 8 mini stepper motor, 1.8° 2-phase high torque for DIY CNC
✔️ 2-phase bipolar, 1.6 Ncm torque, 13 Ω, 0.4 A, 20x27 mm

This single-pack NEMA 8 motor delivers compact power for small machines like 3D printers, hobby CNCs, and DIY robots. Its 20x20x27 mm body fits tight spaces, and a 0.5 m 4-wire cable makes wiring simple. Great for precise motion in a tiny footprint.

✅ Body: 20x20x27 mm (0.79x0.79x1.07 in), weight 47 g
✅ Shaft: φ4 mm, 10±0.5 mm length, D-cut 7 mm
✅ Step angle & torque: 1.8°, 200 steps/rev; 1.6 Ncm (2.27 oz-in) holding torque
✅ Electrical: 0.4 A, 13 Ω, inductance 3.3 mH ±20%
✅ Cable: 0.5 m, 4-wire Black(A+), Green(A−), Red(B+), Blue(B−)
✅ Mounting: 15.5 mm hole distance; rotor inertia ~2.0 g cm2

💡 What is a NEMA 8 stepper motor used for in hobby CNC and 3D printing?

It's handy for precise, compact motion in small automation projects.

- Handy for compact 3D printers, small CNCs, and robotics - 1.8° step angle with 200 steps per revolution for precise positioning - 0.4 A rated current keeps heat and power use reasonable - Fits into tight spaces thanks to a 20x20x27 mm body