
Flexible Shaft Coupler 5x5 mm Aluminum, 19x25 mm
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Prices updated: 13 Oct 2026
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About this product
Flexible aluminum shaft coupler with 5 x 5 mm bores, 19 mm outer diameter and 25 mm length, used to join two shafts. The listing names servo and stepper motors, encoders and screw drives as typical uses, including 3D printer and CNC builds. It weighs about 16 g and has a silver finish.
Specifications
- Shaft bore
- 5 x 5 mm
- Outer diameter
- 19 mm
- Length
- 25 mm
- Material
- Aluminum
- Net weight
- 16 g
- Color
- Silver
Frequently asked questions
Which motors can I use it with?
The listing names servo motors, stepper motors and encoders. Make sure both shafts are 5 mm in diameter, since this coupler is sized for 5 x 5 mm shafts.
Can it join shafts of different sizes?
No. It is sized for 5 mm shafts on both ends according to the listing, so a different shaft diameter needs a different coupler.





