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4mm and 6mm Brass Motor Shaft Coupler

The 4mm and 6mm Brass Motor Shaft Coupler are high-quality accessories designed to securely attach wheels, gears, or other components to motor shafts. These hubs ensure a stable and reliable connection, making them perfect for robotics, RC vehicles, and custom machinery projects.

Brass Motor Shaft Coupler Key Features

  • 4mm and 6mm Shaft Compatibility: Precisely fits 4mm and 6mm motor shafts.
  • Secure Attachment: Equipped with strong screws to prevent slippage and ensure a firm grip on the motor shaft.
  • Durable Brass Material: Constructed from high-quality brass for long-lasting performance in demanding applications.
  • Lightweight Design: Adds minimal weight to your project without compromising strength.
  • Easy Installation: Comes with mounting screws for hassle-free setup.

Brass Motor Shaft Coupler Specifications

Attribute 3.17mm Hub 4mm Hub 6mm Hub
Shaft Size 3.17mm diameter 4mm diameter 6mm diameter
Material High-quality Brass High-quality Brass
Weight 16g 15g 14g
Included Accessories Mounting screws Mounting screws

Brass Motor Shaft Coupler Applications

  • Robotics: Attach wheels or gears to achieve precise and smooth movement in mobile robots.
  • RC Vehicles: Ideal for use in remote-controlled cars, planes, and drones for efficient power transmission.
  • Custom Machinery: Perfect for building small custom devices with motorized components.
  • STEM Projects: Suitable for students and hobbyists designing motor-driven projects.

What’s Included (per hub):

  • 1 x Brass Motor Shaft Coupler (3.17mm, 4mm or 6mm)
  • 1 x M4 Screw
  • 2 x M4 Grub Screws
Hub Size

3.17mm, 4mm, 6mm

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High-quality, ethically sourced products at affordable prices

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