I have an Aquatica AD500 housing, and I was just trying to screw a tripod mount onto the bottom, and I can't seem to get any of my 1/4-20 screws to go in any further than about one turn! Is there some obvious fact I am missing about the screw holes on Aquatica housings? Is there usually some sort of forcing that needs to be done at first? I don't want to damage the finish, not get a screw locked in there, but nothing seems to screw in, not sure if its an issue with Aquatica housings in general or just mine..
I reached out to Aquatica on FB but they seem to take forever to reply.
(Sorry for the terrible phone pic)