Flexible Motor Coupling 6.35 x 8mm Aluminium Shaft Coupler
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Prices updated: 14 Oct 2026
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About this product
A silver aluminium flexible shaft coupler with 6.35 x 8 mm bores, used to connect motor shafts to lead screws, encoders and other drives in 3D printers, CNC machines and robots. It is 19 mm in diameter and 25 mm long, and its flexible design helps accommodate slight shaft misalignment.
Specifications
- Material
- Aluminium
- Bore sizes
- 6.35 x 8 mm
- Outer diameter
- 19 mm
- Length
- 25 mm
- Weight
- 16 g
- Color
- Silver
Frequently asked questions
Which shafts can this coupler connect?
The listed bore sizes are 6.35 mm and 8 mm. Check that each shaft matches its end of the coupler before fitting, and tighten the set screws securely.
What is it typically used for?
According to the listing it is used to connect a servo or stepper motor, an encoder, or a screw drive to a machine platform. The flexible design helps absorb small misalignments between shafts.
