Oh, and:

Female threaded heat set knurled embedded insert nuts, M4 x 6mm L x 6mm OD
Using a soldering iron, these are heated up and pushed into the back box for better attachment of the facia.
https://www.amazon.co.uk/gp/product/B09MCVW4GQ/

Optional: Adhesive security plate and locking cable
Secure the ATM when desk mounted.
https://www.amazon.co.uk/I3C-Security-Anti-Theft-Hardware-Smartphone/dp/B07FM93JL6