Ultra Precise 0.9 Degree Nema 17 Bipolar Stepper Motor For DIY Projects 0.9A 36Ncm Torque 51oz.in 42x42x39mm Four Wire 400 Steps Per Revolution Ideal For DIY CNC Machines 3D Printers And Robotic Builds

NEMA 17 0.9° Stepper Motor for precise DIY CNC & 3D printers
✔️ 0.9° step angle; 0.9A/phase; 42x42x40mm; 4-wire (single unit)

This high precision bipolar NEMA 17 stepper motor is designed for compact motion projects. It's commonly used in DIY CNC machines, 3D printers, and robotics where space is tight and accuracy matters.

✅ 0.9° step angle (400 steps/rev) for precise positioning
✅ Frame size 42x42 mm; body length 40 mm
✅ Shaft Ø5 mm; length 22 mm
✅ Holding torque 36 Ncm (50 oz-in)
✅ Rated current 0.9 A per phase
✅ Phase resistance 6.0 ohm
✅ Inductance 12.0 mH ±20% (1 KHz)
✅ Lead length 300 mm; four leads A+ A- B+ B-
✅ Weight 280 g
✅ Connection: Black(A+), Green(A-), Red(B+), Blue(B-)
✅ Recommended voltage 12-24 V

💡 What is a NEMA 17 bipolar stepper motor used for in DIY CNC machines and 3D printers?

This handy motor is a go-to for tight spaces that require precise, repeatable motion.

• 0.9° step angle for high resolution positioning
• 4 wire bipolar design works with common stepper drivers
• Compact 42x42x40 mm frame fits tight spaces
• Holding torque about 36 Ncm helps move small loads