4 Pack 12mm Flange Coupling Connector For RC Models, Rigid Guide Shaft Coupler Accessory, DIY Motor Axis Fittings, Tough As Nails 45 Steel, Heat Treated And Electroplated For Durability, Easy Install And Stable Shaft Connection

4 Pack 12mm Flange Coupling for RC Models, 45# steel
✔️ Inner Diameter 12mm, Height 13mm, M4 screws, 4 pcs

Designed for RC motor builds, this 4-pack flange coupling is made of 45# steel with a heat-treated and electroplated finish for durability. The 12mm inner diameter and 13mm height fit compact drive setups, providing a secure, easy-to-replace shaft connection.

✅ 45# steel, heat-treated and electroplated for durability
✅ Inner diameter: 12mm; height: 13mm
✅ Includes M4 mini hex wrench and 8x M4 fastening screws
✅ Pack size: 4 pieces; color: Silver
✅ Works with RC model motors and 12mm shafts

💡 What is a flange shaft coupling used for in RC modeling? A handy overview for hobbyists looking for a secure, easy install shaft connection.
- transfers torque from motor to drive shaft in RC builds
- helps align shafts for stable operation and reduced wobble
- supports 12mm shaft with simple M4 hardware
- includes wrench and screws for quick setup