Screen 'a' has a generic M2 bolt that you can use

[NNGB-kor]

Instead of self-tapping M2 bolts, we modified the model a bit to use regular M2 bolts, which many people likely own.

There is room for a typical hex M2 bolt head, and the and a 2.2 mm hole is drilled.

[a]_buffer-screen-a_M2.zip

Maybe it will help someone.