Ten Pack 3.17mm Brass Hex Shaft Coupling Flexible Motor Coupler No Fuss For DC Motors Robots Model Cars And DIY Builds Easy Fit Shaft Link For Smooth Power Transfer
✔️ 7mm hex (0.275"), diag 13.6mm(0.535"), hex 12mm(0.472"), M4 screws, 10 pcs pack
These brass flexible shaft couplings are designed to connect motor shafts to hex wheels in robotics, model cars, and DIY projects, ensuring smooth power transfer and reliable torque transmission. Package includes 10 couplings, 2 Allen wrenches, and 20 screws for easy setup.
✅ Material: Brass, wear-resistant and durable
✅ Side length: 7 mm (0.275 in)
✅ Diagonal: 13.6 mm (0.535 in)
✅ Hex width: 12 mm (0.472 in)
✅ Height: 18 mm (0.708 in)
✅ Outer diameter: 11.5 mm (0.452 in)
✅ Inner diameter: 3.17 mm (0.125 in)
✅ Fastening screw hole: M4
💡 What is a handy long-tail question about brass hex shaft couplings for small DC motors? This helps buyers understand practical benefits in real setups. - Strong torque transfer with brass components - Wear resistance and long service life under vibration - Easy mounting with standard M4 hardware - Compatible with 7 mm shaft and 12 mm hex wheels