4 Pack Aluminum Shaft Couplings 6mm Inner Diameter Flange Style With Grub Screws And Wrench For DIY Model RC Parts High Strength Alloy Drive Couplers For Hobbyists Smooth Power Transfer And Easy Install

4-Pack 6mm Aluminum Flange Shaft Couplings for RC
✔️ 4 couplers, 6mm bore, flange mount, M4 screws, wrench

These flange shaft couplings are aluminum alloy joints designed to securely connect model shafts in RC cars, drones, boats, and hobby robotics. The flange style with grub screws ensures precise alignment and easy assembly for smooth power transfer.

✅ Inner Dia: 6mm / 0.23"
✅ Cylinder Outer Dia: 15mm / 0.59"
✅ Cylinder Height: 12mm / 0.47"
✅ Base Dia: 28mm / 1.1"
✅ Base Height: 3mm / 0.12"
✅ Mounting Hole Distance: 21mm / 0.82"
✅ Four small holes diameter: 3.1mm / 0.12"
✅ Package contents: 4 x Alloy Shaft Couplings, 8 x M4 Screws, 1 x Hex Wrench

💡 What is a flange shaft coupling used for in hobby projects? This handy connector helps secure shaft-to-shaft connections in tight spaces. - Improves alignment in compact drivetrains - Reduces vibration and slip in RC gear - Compatible with 6mm shafts and M4 mounting hardware - Quick, tool-friendly installation