Beefy 6mm To 12mm Shaft Coupling, 30mm Long, 25mm Diameter Aluminum Alloy Stepper Motor Coupler For 3D Printer CNC Machine DIY Encoder, Flexible Joint Connector, 2 Pack

Heavy-Duty 6-12 mm Shaft Couplings, 30x25 mm, 2-Pack
✔️ Aluminum alloy, fits 6-12 mm shaft, 30x25 mm, set-screw

These two-piece aluminum shaft couplers connect motors to driven components in 3D printers, CNC machines, and encoder setups. They provide a flexible link that tolerates slight misalignment and shaft end-play with a spring-like action, reducing stress on drive shafts.

✅ Shaft usage diameter: 6-12 mm
✅ Length: 30 mm
✅ Outer diameter: 25 mm
✅ Material: Aluminum alloy
✅ Connection: Set-screw clamping
✅ Backlash: Zero

💡 What is a shaft coupling used for in motion systems?

It links motor shafts to driven components, allowing torque transfer while tolerating small misalignments.

- Transfers torque between shafts - Absorbs minor parallel and angular misalignment - Supports light to medium duty in small CNCs and 3D printers - Works with 6-12 mm shafts using set-screw clamps✝️