P2s air filtration screws

Hi everyone!

I built this air filtration system for the p2s:

https://makerworld.com/en/models/2205040-p2s-external-air-filter-1h-print#profileId-2396214

I want to modify it so it can have a fan, but I have a question:

These screws are very short. Is there any makers supply screw that is like this one but longer?

Thanks!