Cryorig m9i

Hello everyone, after getting advices about motherboard and cpu, i'm here to ask for a little tip. I like the Freezer 34 Esports and someone online told me this is a good choice. But i wanna be sure I cannot save something as in this price range i can find: Deepcool Gammax 400 Cryorig M9i...

I have tightened the thumbscrews all the way onto the threads of the screws (Hexagon Pillars), which go through the backplate and the mounting bars. The issue is there is about 3/4 of an inch of play with the installation rig, even with the thumbscrews tighten completely, it can move up and down...