would have a used Hilti DX450 (with bolts and plenty of ammunition) to give away, have been too scared to try it myself so far. Also never had a firearm in my hand before ... ;)
Just checked again. It's a Bihrhammer from Bosch. Probably the wrong drill bits then. I have now ordered the ones mentioned above. Then it should work...... Hopefully
If it is a rotary hammer, then definitely use the SDS-Plus chuck with the appropriate drill bit, as has already recommended, and if it is interchangeable; otherwise, you will have no advantage from the hammer.
You could put it something like that. In any case, it works great.
In the end, I ordered 18cm wood panels with a thickness of 6mm, glued three together each, sanded them, painted them white, and "hollowed out" the middle with a hole saw. And then together with the Unifi adapter plate attached to the ceiling.
You then screwed your adapter plate to the ceiling and attached the mount for the AC to it?