2.3mm To 4mm Shaft Coupler Set For Motors And 3D Printers Brass Joint Connector Motor Shaft Extension For RC Cars Boats And DIY Projects L20XD9 Beefy Heavy Duty

Brass Motor Shaft Coupler Set for 2.3-4mm Shafts
✔️ 4 pcs brass rigid couplers, 20x9mm (0.79x0.35 in), fits 2.3-4mm shafts

Brass shaft couplers connect two motor shafts for reliable torque transfer in tight spaces. Commonly used in RC cars, model boats, 3D printers, and DIY drive setups.

✅ Material: Brass, high-strength, oil- and corrosion-resistant
✅ Size: 20 mm long, 9 mm diameter; bore fits 2.3-4 mm shafts
✅ Hardware: Includes 8 screws for mounting
✅ Pack: 4 shaft couplers in each kit
✅ Performance: Rigid coupling with minimal backlash
✅ Applications: RC models, 3D printers, DIY drive systems

💡 What is a brass motor shaft coupling used for in RC cars, boats, 3D printers, and DIY projects?

This handy part keeps two shafts aligned and transfers torque reliably in tight spaces.

- Fits 2.3-4 mm shafts - Includes 4 couplers and 8 mounting screws - Brass construction offers strength and corrosion resistance - Ideal for RC models, 3D printers, and DIY drives ✝️