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Screw size for rear milk crate on 3+

Started by magicfox, July 11, 2023, 08:33:09 PM

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magicfox

Hello,

Does anyone know the screw size and length to install a milk crate to the rear rack on the 3+?


Thank you in advance.

Alex

handlebar

#1
If it's like my Radrunner 1, the holes aren't threaded. I found the diameter by inserting the largest drill bit that would slide through. I used carriage bolts and wing nuts from an old porch swing. The nuts would vibrate loose. I solved that with a little RTV on the threads. The rubbery adhesive keeps the nuts from vibrating loose, but I can unscrew them with my fingers.

I have three plastic crates on Radpower racks. The flexing of a plastic crate can allow rattling. These can help hold a crate down tight.
https://amzn.to/44YrfQe
The tensile strength is 120 pounds, and unlike ordinary zip ties, they don't get brittle in winter cold.

I've also used this to keep a milk crate quiet.
https://amzn.to/44OaveG
I stick a strip of it on the metal rack so that the crate sits on a cushion.

magicfox

#2
Thank you so much for the information.  I'll look into them.


Quote from: handlebar on July 11, 2023, 09:13:21 PM
If it's like my Radrunner 1, the holes aren't threaded. I found the diameter by inserting the largest drill bit that would slide through. I used carriage bolts and wing nuts from an old porch swing. The nuts would vibrate loose. I solved that with a little RTV on the threads. The rubbery adhesive keeps the nuts from vibrating loose, but I can unscrew them with my fingers.

I have three plastic crates on Radpower racks. The flexing of a plastic crate can allow rattling. These can help hold a crate down tight.
https://amzn.to/44YrfQe
The tensile strength is 120 pounds, and unlike ordinary zip ties, they don't get brittle in winter cold.

I've also used this to keep a milk crate quiet.
https://amzn.to/44OaveG
I stick a strip of it on the metal rack so that the crate sits on a cushion.



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