Flexible Shaft Coupler 5mm to 10mm, Aluminum Spiral Cut
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Prices updated: 14 Oct 2026
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About this product
A spiral-cut aluminum flexible shaft coupler that joins a 5 mm shaft to a 10 mm shaft. The spiral cut lets it accommodate slight misalignment while remaining stiff in rotation, which suits precision CNC and 3D printer builds. It is secured with two sets of double set screws and tightened with a 2 mm hex key.
Specifications
- Bore A
- 5 mm
- Bore B
- 10 mm
- Material
- Aluminum
- Construction
- Spiral cut (flexible)
- Set screws
- Two sets (double per side)
- Tightening tool
- 2 mm hex key
Frequently asked questions
What is a typical use for this coupler?
It is commonly used to connect a 5 mm stepper or DC motor shaft to a 10 mm threaded rod or shaft in CNC and 3D printer axes.
Do I need a special tool to fit it?
Yes. The set screws are tightened with a 2 mm hex key, which is included with the coupler according to the listing.
