Upgrade your machine performance with the Nema17 Stepper Motor 0.9° 1.8A 48mm 78Oz-in (Model: 17HM8401C) — a high-precision and powerful stepper motor designed for embroidery machines, 3D printers, CNC routers, milling machines, and robotics applications.

This bipolar 2-phase stepper motor ensures smooth, accurate, and quiet operation, ideal for precise positioning and consistent stitching in embroidery applications. With its 0.9° step angle, it provides twice the resolution of a standard 1.8° motor — delivering finer motion control and smoother transitions.

Built with premium copper windings and high torque output (78 Oz-in), the Nema17 stepper motor guarantees durability and stability even under continuous use. Whether you’re upgrading your embroidery machine or assembling a CNC project, this motor ensures consistent performance.

⚙️ Technical Specifications:

• Model: 17HM8401C

• Step Angle: 0.9° per step

• Current Rating: 1.8A

• Holding Torque: 78 Oz-in (55 N·cm)

• Body Length: 48mm

• Shaft Diameter: 5mm (D-shaft)

• Motor Type: Bipolar 4-wire

• Voltage: 12V–24V DC

• Connector Type: Standard JST/SM

• Weight: Approx. 350g

🧩 Compatible Machines:

• Embroidery Machines: Tajima, Barudan, Ricoma, Brother PR Series, ZSK, Happy

• 3D Printers: Creality Ender 3/5, Anycubic i3 Mega, Prusa i3 MK3, Tronxy, Artillery

• CNC Machines: Shapeoko, X-Carve, OpenBuilds, and custom CNC router projects

• Other Devices: Laser engravers, robotic arms, and motion control systems

🌟 Key Features:

• Precision 0.9° step angle for smoother motion

• Strong 78 Oz-in torque for reliable performance

• Compatible with most stepper motor drivers

• Durable construction for industrial applications

• Ideal for embroidery machine head movement and precision stitching

• Easy installation and wiring

🛠️ Applications:

Perfect for embroidery machine upgrades, 3D printer axis motion, CNC routers, automation projects, and robotics — this Nema17 motor offers high precision and low vibration, ensuring professional-quality results every time.

General Specification:

Step angle accuracy: + – 5%(full step,not load)

Resistance accuracy: + – 10%

Inductance accuracy: + – 20%

Temperature rise: 80deg Max(rated current,2 phase on)

Ambient temperature ———-—20deg ~+50deg

Insulation resistance:100MΩ  Min,500VDC

Insultion Strength——–500VAC for one minute

Datasheet(17HM8401C,1.8A,78 oz-in or 4.8kg.cm holding torque,5mm diameter shaft):

Wiring:

Red:    A+

Green: A-

Yellow:B+

Blue:   B-