4 Pack 5mm Aluminum Alloy Rigid Flange Shaft Coupler For DIY Motors And CNC Projects, Durable Beefy Motor Connector And Shaft Guide, Easy Install For Quick Setup, Stable And Lightweight Aluminum Build

Four-Pack 5mm Aluminum Flange Shaft Couplers for DIY Motors
✔️ ID 5mm; OD 15mm; total height 15mm; base 28mm; M4 screws

This 4-pack flange shaft coupling is designed to connect 5mm shafts for hobby RC models and DIY CNC projects, delivering stable, lightweight aluminum performance.

✅ Inner diameter: 5 mm (0.19 in)
✅ Cylinder outer diameter: 15 mm (0.59 in)
✅ Cylinder height: 12 mm (0.47 in)
✅ Total height: 15 mm (0.59 in)
✅ Base diameter: 28 mm (1.10 in)
✅ Base height: 3 mm (0.12 in)
✅ Mounting hole distance: 21 mm (0.82 in)
✅ Four small holes diameter: 3.1 mm (0.12 in)
✅ Includes: 4 couplers, 1 M4 hex wrench, 8 screws

💡 What is a flange shaft coupling used for in hobby RC, CNC and motor builds?

It's handy for fixing one shaft to a plane while attaching other parts, keeping alignment stable.

- connects 5mm shafts to motors or gears in RC and DIY CNC builds
- maintains precise alignment and allows easy disassembly for upgrades
- lightweight aluminum option reduces weight and vibration in drive trains