Where could i find those funky screw,s that fasten the cabin bathroom door hinge to door , male machine screw to female screw nut with phillip,s head if you know what I mean ?

Never mind hardware store had them who woulda thunk .

What are they called? I need a few.

I don,t know the real name of them I just took 1 to the True value and they had them not stainless but oh well .

They're called sex bolts or Chicago screws.

These ?
https://www.mcmaster.com/#chicago-screws/=19eapje

If so, they have them is SS also.

BTW: Everyone should have McMaster-Carr saved in their favorites.