Flexible Shaft Coupler 2mm to 3mm 4 Pack Brass Motor Couplers With Screws And Allen Keys Built To Last High Hardness Shaft Adapters For DIY Projects And Stepper Or Servo Motors

Brass 2-3mm Flexible Shaft Coupler Set, 4 Pack for DIY Projects
✔️ 2-3mm bore, brass body, screws & Allen keys included

This brass flexible shaft coupler connects motors to drive shafts with 2 mm to 3 mm bore. It’s a common pick for RC boats, planes, robotics, and DIY projects to transfer rotation while tolerating small misalignment.

✅ Package contains: 4 motor shaft couplings; 16 screws; 2 Allen wrenches
✅ Size: 20 x 9 mm (L x W)
✅ Inner bore: 2 mm to 3 mm
✅ Material: Brass with corrosion resistance
✅ Includes screws and Allen keys for quick assembly

💡 What is a brass 2-3mm flexible shaft coupler used for in hobby robotics?

It’s a handy connector for joining motors to drive shafts when diameters differ, helping maintain alignment and smooth power transfer.

• 2-3 mm bore compatibility for common hobby motors
• Brass construction provides rigidity and corrosion resistance
• Useful in RC boats, planes, and small robots
• Includes screws and Allen keys for quick setup

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