Coupleur/Hub axe 4mm - vis 4-40
chevron_left chevron_right

Coupler/Hub for 4mm shaft - M3 screw

2 x shaft coupler - 4mm shaft - M3 screws

€8.68 (tax incl.) €7.17 (tax excl.)
Tax included
check In Stock
Secure payments
Payments are secured by LyraCollect, a French payment collection company.
Multiple delivery solutions
It is possible to delivered to your home, to a pick-up point or picked up by appointment at MCHobby
Parcels packed with care and efficiency
We prepare, pack and ship your orders with great respect and care.

Connection hub for 4mm shaft motor

The shaft hub are universal coupler made with aluminium. With them, you can place whelel on 4mm shaft or mount other items on a shaft.

Each couple does have 4 holes with M3 thread.


  • Size: 19mm
  • Height: 5mm
  • Weight: 3.2gr (each)
  • Shaft diameter: 4mm
  • Screw size: M3


  • 2 x aluminium coupler (also named shaft hub)
  • 2 x M3 screw
  • 1 x #4-40 screw (to fix the coupler on M4 shaft)
  • 1 x #4-40 Allen
Data sheet
You might also like