Dope 42-40 Stepper Motor With Extruder Gear For 3D Printers, 2 Phase, 1A Current, 1.8 Degree Step, 0.4 Nm Holding Torque, Compatible With Ender 3 Series, Ender 5, CR-10 For E-Axis Upgrades

42-40 Stepper Motor with 0.4Nm Torque (Ender/CR-10)
✔️ 1A per phase, 1.8° step, single unit compatible with Ender/CR-10

This is a reliable 42-40 stepper motor designed to precisely drive extrusion gears and axis movement in popular 3D printers. It’s a solid upgrade for Ender 3, Ender 3 V2, Ender 5 and CR-10 family printers, helping improve E-axis performance and overall motion quality.

✅ 1A rated current per phase
✅ 1.8° step angle for precise moves
✅ 0.4 Nm holding torque for stable extrusion
✅ Compatible with Ender 3/Ender 5 and CR-10 printers

💡 What is a stepper motor used for in a 3D printer?

In simple terms, it converts electrical pulses into precise rotation to drive extruders and motion axes.

• handy for accurate positioning of X, Y and Z axes
• works with common controller boards and firmware
• low-noise operation improves workspace comfort
• 1A per phase design helps steady filament feed