Upgrade your 3D printer's motion system with the premium LDO 42STH48-2504MACF RevA 0.9° NEMA 17 Stepper Motor. Manufactured by LDO Motors — a trusted name in high-performance stepper motors for the 3D printing community — this motor delivers superior precision and reliability.
This 0.9° step angle motor provides 400 steps per revolution (twice the resolution of standard 1.8° motors), resulting in smoother movement, reduced vibration, and finer layer accuracy. With a compact 48mm body length and strong holding torque, it is ideal for demanding applications requiring speed and precision.
Key Specifications:
- Step Angle: 0.9° (±5%)
- Form Factor: NEMA 17
- Body Length: 48mm
- Rated Current: 2.5A
- Phases: 2
- Connection: 4-pin (UL1332 24AWG wires)
- Shaft: 5mm diameter
- High torque output for reliable performance
- RevA version with optimized design
Key Features & Benefits:
- Higher Resolution — 0.9° step angle reduces micro-stepping artifacts and improves print quality on X, Y, and Z axes
- Low Vibration & Noise — Excellent for silent and smooth operation, especially in enclosed or high-speed builds
- Strong Torque — Maintains power at higher speeds, suitable for fast printing and CoreXY kinematics
- Durable & Reliable — Built to LDO’s high standards, widely used in professional and DIY 3D printers
Compatible With:
- Voron 2.4, Voron Trident, Voron 0 series
- Ender 3 / Ender 3 V2 / Ender 3 Pro / Ender 5
- Prusa i3, BLV, Rat Rig, and other custom builds
- SKR, BigTreeTech, and most 3D printer mainboards supporting NEMA 17 motors
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