I installed a M8 x 40mm anchor bolt, but I was not able to tighten it any more beyond the point in the photo.
My worry was the thread was damage when I tighten the nut. Basically now the nut still can turn but can't go in further.
May I know If I did it correctly?
This is for a ceiling fan, any hints will be appreciated.
I'm worried because I see the before and after in this utube video. https://www.youtube.com/watch?v=1-EdSiYTIBU