Nema 17 Bipolar 45Ncm(63.74oz.in) 2A 42x42x40mm 4 Wires w/ 1m Cable & Connector

NEMA 17 Stepper Motor

This NEMA 17 bipolar stepper motor is one of the most widely used motors in its class, offering a precise 1.8° step angle and a compact 42 × 42 × 40 mm frame. Designed for reliability and consistent performance, it delivers a strong holding torque of 45Ncm while operating at 2A per phase.

Equipped with a 4-wire configuration and a 1-meter cable with connector, this motor is easy to integrate into a variety of motion control systems. It is an excellent choice for 3D printers, CNC machines, and robotics projects where accuracy and torque are essential.

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🔧 Key Features

• ⚙️ 1.8° step angle for precise positioning
• 💪 High torque (45Ncm / 63.74 oz·in)
• 🔌 4-wire bipolar configuration with pre-attached cable
• 📏 Compact NEMA 17 (42×42mm) frame size
• ⚡ 2A per phase current rating
• 🧩 Standard 2.54mm pitch connector for easy connection

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📊 Specifications

• Model: 17HS16-2004S1
• Motor Type: Bipolar stepper motor
• Step Angle: 1.8°
• Holding Torque: 45Ncm (63.74 oz·in)
• Rated Current: 2.0A per phase
• Phase Resistance: ~1.3Ω
• Inductance: 2.6mH ±20%
• Insulation Class: B (130°C)
• Frame Size: 42 × 42 mm
• Body Length: 40 mm
• Shaft Diameter: 5 mm
• Shaft Length: 23 mm
• Cable Length: 1 meter
• Weight: ~310g

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🧠 Applications

• 🖨️ 3D printers (RepRap, Prusa, Mendel, Rostock)
• 🔩 CNC machines
• 🤖 Robotics and automation
• 🎯 Precision positioning systems

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⭐ Why Choose This Motor?

This NEMA 17 stepper motor is a proven, industry-standard solution that balances torque, precision, and size—making it ideal for both hobbyists and professional builds.