This is no ordinary wall above my window! Anything more than 3/4"cannot be screwed in so it's impossible to hang curtains with very short screws. There seems to be a steel or concrete in this header as I have tried to put regular screws just about everywhere. I put a magnet near the hole and it grabbed it so that is how I know there is steel. There must be concrete too because of how this apt building is built.
A regular drill cannot go through, and I bought a hammer drill and it is not working. I don't know what I am doing wrong. I think I was using the right bit. Maybe needs pressure or more time while it is turning? Can I use the self-drill screws?
I hardly use drills so I am kind of new with this stuff. I need simple instructions.