Flexible Motor Shaft Coupling 5 x 8 mm (19 x 25 mm)
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Prices updated: 13 Oct 2026
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About this product
A flexible aluminium shaft coupler, 19 mm in diameter and 25 mm long, with a 5 x 8 mm shaft size as listed. It connects the shafts of servo motors, stepper motors, encoders and screw drives, and its flexible design tolerates small misalignment between the two shafts.
Specifications
- Shaft size
- 5 x 8 mm
- Outer diameter
- 19 mm
- Length
- 25 mm
- Material
- Aluminium
- Net weight
- 16 g
- Color
- Black in title; Silver in listing specifications
Frequently asked questions
Can it join a 5 mm motor shaft to an 8 mm lead screw?
The listed shaft size is 5 x 8 mm, which suggests one 5 mm bore and one 8 mm bore. Confirm both bores match your motor shaft and screw before fitting.
What kind of misalignment does a flexible coupling handle?
Flexible couplings absorb small angular and parallel misalignment between shafts. They are not meant to correct large misalignment, so align the shafts as closely as possible.
