8 Pack Brass Shaft Couplings 3mm To 3.17mm With Screws For Small Motors, 9mm Outer Diameter, 20mm Length, Inner Diameter 3mm To 3.17mm, Flange Standard Shaft Connector For DIY Projects

8-Pack Brass Shaft Couplings for 3-3.17mm Motors
✔️ Inner dia 3-3.17mm; 9mm OD; 20mm long; screws included

These brass shaft couplings connect small motors to shafts, following international flange standards to ensure precise alignment in DIY robotics, hobby machines, and compact drive assemblies.

✅ Material: brass, gold finish
✅ Bore range: 3mm-3.17mm (0.118"-0.125")
✅ Outer diameter: 9mm; length: 20mm
✅ Package includes 8 couplers, 1x M3 hex wrench, 32 screws

💡 What is a handy way to connect small motors to shafts in compact builds?

For hobby projects, these brass shaft couplings are handy for quick, secure torque transfer in tight spaces.

- Fits 3-3.17mm shafts - M3 screws included for quick mounting - Brass construction provides stiffness in small drives