Nema 17 Bipolar Stepper 0.9deg(400 Steps/rev) 1.68A 44Ncm(62.3oz.in) Motor

High-precision NEMA 17 bipolar stepper motor with 0.9° steps
✔️ 0.9° step angle (400 steps/rev), 1.68A/phase, 44Ncm torque

This compact NEMA 17 bipolar stepper motor delivers fine resolution and strong torque in a small form factor. Pack: 1 motor designed for precise motion in space-limited projects like hobby CNCs, 3D printers, and automated assemblies.

✅ Frame 42 x 42 mm, length 47 mm, shaft 5 mm, 500 mm leads
✅ Step angle 0.9° (400 steps/rev), bipolar 4-wire drive
✅ Rated current 1.68 A/phase, resistance 1.65 Ω, inductance 4.1 mH ±20%
✅ Holding torque 44 Ncm (62.3 oz-in)
✅ Weight 370 g, four leads A+/A-/B+/B-, 500 mm lead length
✅ Part number 17HM19-1684S, four-wire bipolar, 42x42 mm frame

💡 What is a NEMA 17 bipolar stepper motor typically used for?

These handy motors shine in small setups where precise, repeatable motion matters.

- Precise incremental motion in compact machines - Works with standard drivers for hobby and light industrial use - 0.9° step angle provides fine resolution per revolution - Compatible with open-loop and closed-loop drive systems