3mm Rigid Flange Coupling Connector Set For DIY RC Models, Rock Solid Steel Shaft Coupler With Electroplated Finish And High Hardness Heat Treatment, Sturdy 4Pcs Pack For Motors, Axles, And Gear Shafts

Rigid 3mm Flange Coupling for RC Model Shafts, 4-pack
✔️ 4 x 3mm flange shaft couplings, 45# steel, heat-treated electroplated

These flange shaft couplings securely connect a shaft to a flat surface in RC model builds, enabling easy mounting of motors, axles, and gears for smooth operation and precise alignment.

✅ Material: 45# steel
✅ Inner diameter: 3 mm
✅ Outer diameter: 10 mm
✅ Cylinder height: 10 mm
✅ Base diameter: 22 mm
✅ Base height: 2 mm
✅ Fastening screw hole: M3
✅ Base fixing screw hole: M3
✅ Package includes: 4 x flange couplings, 2 x M3 mini hex wrenches, 8 x M3 screws

💡 What is a flange coupling used for in RC model projects?

These handy parts keep shafts aligned and fixed to a surface, making it easy to mount motors, gears, and other components in DIY RC builds.

• They minimize shaft wobble and vibration in compact drive systems.
• Made from hardened 45# steel with corrosion-resistant finish for durability.
• Designed for quick install with M3 screws and simple maintenance.