Description
5mm × 8mm Flexible Shaft Coupling – 25mm
The 5mm × 8mm flexible shaft coupling is designed to connect shafts of different diameters in mechanical drive systems. It is commonly used to connect a stepper motor shaft to a compatible lead screw or other driven component in 3D printers and CNC machines.
Made from aluminum alloy, this coupling features a flexible, slotted body that allows limited torsional movement. Its design helps accommodate minor parallel and angular misalignment, as well as shaft end movement, reducing mechanical stress between connected components.
With a compact 25mm length and an 18.5mm outer diameter, this coupler is suitable for compatible light-duty motion systems. Check the shaft diameters and mounting requirements before installation to ensure a proper fit.
Key Features
- Dual Bore Sizes: Connects a 5mm shaft to an 8mm shaft.
- Flexible Design: Helps accommodate minor shaft misalignment and end movement.
- Aluminum Alloy Construction: Lightweight and suitable for mechanical drive systems.
- Slotted Spring Body: Provides torsional flexibility during operation.
- Compact Dimensions: Suitable for installations with limited space.
- Wide Applications: Ideal for compatible 3D printers, CNC machines, stepper motors, and lead screw assemblies.
Package Includes
- 1 × Flexible Shaft Coupling, 5mm × 8mm
- Product Type: Flexible Shaft Coupling
- Application: 3D Printer Stepper Motors
- Shaft Bore Sizes: 5mm × 8mm
- Length: 25mm
- Outer Diameter: 18.5mm
- Material: Aluminum Alloy
- Design: Slotted, flexible coupling
- Mounting Type: Set-screw type (as described by the supplier)
- Color: Silver
- Weight: 20g
- Applications: 3D Printers, CNC Machines, Stepper Motors, Lead Screw Assemblies, and compatible motion systems
- Package Includes: 1 × Flexible Shaft Coupling









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