Nema 17 Stepper Motor 1.8‌°‌ 2 Phase High Torque 0.13Nm(18.41oz·in) Bipolar 42x21mm 1.0A 3.5Ω 4-Wire Shaft 24mm φ5mm 42 Pancake Stepper Motor Cable 1M for 3D Printer DIY Robot CNC Machine

NEMA 17 pancake stepper motor with high torque for compact machines
✔️ 2-phase bipolar, 0.13Nm torque, 42x42x20.5mm body, 1.0A, 1m cable

This NEMA 17 pancake motor is built for compact drives in 3D printers, DIY robots, and small CNCs. Pack size: 1 piece.

✅ Step angle 1.8° (200 steps per revolution)
✅ Holding torque 0.13Nm (18.41 oz·in)
✅ Coil resistance 3.5Ω, inductance 3.4 mH ±20%
✅ Body size 42×42×20.5 mm; shaft φ5 mm; shaft length 24±0.5 mm
✅ Installation hole distance 31 mm; D-cut length 24 mm
✅ Cable 1 m, 4-wire: Black (A+), Green (A−), Red (B+), Blue (B−)
✅ Weight 121 g; rotor inertia ~16.5 g·cm²
✅ Dielectric strength 500 VAC for 1 minute; insulation class B; temp rise 80 K
✅ Operating temp -20 to +50 °C; humidity 15% RH to 95% RH

Dimension	Value	Notes
Body	42 × 42 × 20.5 mm	1.66 × 1.66 × 0.81 in
Shaft	24 ± 0.5 mm length, φ5 mm
Hole spacing	31 mm
Weight	121 g

This NEMA 17 pancake motor is designed to deliver reliable, quiet operation in compact assemblies. It’s ideal for precise axis control in small machines and DIY projects. Pack size: 1 piece.

💡 How is a NEMA 17 stepper motor used in compact 3D printers and CNC setups?

This handy guide shows its role in delivering precise motion in tight spaces.

- 1.8° step angle provides 200 steps per revolution for fine positioning - 0.13Nm holding torque at 1.0A supports stable, repeatable motion - 42x42x20.5 mm footprint and 1 m 4-wire cable ease integration