10Pack Nema 17 Stepper Motor 1.8‌°‌ 2 Phase High Torque 0.13Nm(18.41oz·in) Bipolar 42x21mm 1.0A 3.5Ω 4-Lead Shaft 24mm φ5mm 42 Stepper Motor Cable 1M for 3D Printer DIY Robot CNC Machine

High-torque NEMA 17 bipolar stepper motor kit for 3D printers and CNC
✔️ 0.13Nm holding torque, 1.0A current, 42x42x20.5mm body, 5mm shaft

Compact NEMA 17 two-phase stepper motors are a staple for precise motion control in hobby CNC machines, 3D printers, and DIY robotics. This 10-pack is ideal for bulk builds or multi-axis systems, delivering reliable torque in a compact form factor.

✅ 2-phase bipolar design, 1.8° step angle (200 steps/rev)
✅ Holding torque 0.13 Nm (18.41 oz-in) for solid load drive
✅ Rated current 1.0 A, coil resistance 3.5 Ω, inductance 3.4 mH ±20%
✅ Body size 42x42x20.5 mm (1.66x1.66x0.81 in) with 24 mm shaft length
✅ Shaft Ø5 mm diameter, 24 ±0.5 mm length, D-cut 24 mm
✅ Mounting hole distance 31 mm; 4-lead cable with A+ A- B+ B-
✅ Cable length 1 m (39.37 in); weight ~121 g per motor
✅ Dielectric strength 500 VAC 1 min; insulation class B (130°C)
✅ Operating ambient -20°C to +50°C; humidity 15-95% RH
✅ Temperature rise up to 80 K; recommended speed 0–600 RPM
✅ Quiet operation thanks to optimized windings and steel cores for reduced noise

💡 What is a NEMA 17 stepper motor used for in precision hobby CNC and 3D printer builds?

Common uses include precise axis control in compact machines. - Handy for X, Y, Z axes in printers and small CNCs - Works with standard drivers and microstepping for smooth motion - Keep current at rated value to balance torque and heat during long runs