8 Pack Brass Shaft Couplings 5mm To 5mm With Screws For Small Motors Handy 9mm Outer Diameter 20mm Length Includes M3 Hex Key Widely Used For Shaft Connection

Brass 5mm-5mm Shaft Couplings, 8-Pack with M3 Key
✔️ 8 pcs brass 5-5mm, 9mm OD, 20mm long, includes M3 hex key

These compact brass shaft couplings are designed to connect two 5 mm shafts in small motors, hobby machines, and micro gearboxes. They follow standard flange dimensions to fit common assemblies and make replacements straightforward.

✅ Inner diameter: 5 mm to 5 mm (0.2 in)
✅ Outer diameter: 9 mm (0.354 in)
✅ Length: 20 mm (0.79 in)
✅ Material: brass, gold color
✅ Package contents: 8 couplings, 1 M3 hex wrench, 32 screws

💡 What is a shaft coupling used for in small motor and hobby projects?

These handy connectors join two shafts to transfer torque in compact drive systems. - Easy alignment and secure fit with standard M3 hardware - Reduces shaft wear by providing a stable coupling - Works with 5mm shafts and standard flange standards