4 Pack 3mm Rigid Flange Shaft Couplings Made From Durable 45 Steel For Model Shafts And DIY Projects Easy Fit Rock Solid Strength For Robotics Miniatures And Hobby Upgrades

Four 3mm rigid flange shaft couplings (4-pack) in 45 steel
✔️ 4 flange couplings, 3mm ID, 1 mini hex wrench, 8 screws

These flange shaft couplings are built from tough 45# steel with a 3mm inner diameter, ideal for connecting model shafts in robotics, miniatures, and hobby builds. This 4-pack includes four couplings, a mini hex wrench, and eight screws for quick, secure assembly.

✅ Material: 45# steel for strength and stability
✅ Inner diameter: 3mm for precise shaft fit
✅ Includes: 4 flange couplings, 1 mini hex wrench, 8 screws
✅ Easy installation and quick replacement for model builds

💡 What is a flange shaft coupling used for in hobby robotics and DIY model projects?

These couplings are handy for joining small shafts with precise alignment to transfer motion. - For connecting motors to drive shafts with minimal play - To keep shafts aligned and reduce vibration in compact assemblies - Compatible with 3mm shafts commonly used in hobby projects - Quick install with included hex wrench and screws ✝️