I have tried putting a heavy painting up that has two slots where l-shaped screws hold it up. Unfortunately, I haven't been able to find a drywall anchor long enough so that the l-screws go in deep enough. The only l-shaped screws I can find that are large have too much space between where the screw ridges end and the l-bend starts. I have found an image of the type of hardware I think would work, but can't seem to find it in the U.S. Does anyone know where to find this (see image), or something like it?
Best Answer
Limo is correct, you can replace the machine bolt with an L bolt/hook that has the proper threads.
I prefer Toggler anchors for superior weight holding ability. (Limos advice would work for those as well.)
BUT, positioning both hooks level and spaced precisely for the keyhole hangers is a challenge.
If the back of the painting will allow it then i would use the French cleat method. If i do not construct one myself from wood then i use the Hangman Picture Hanging system.
It may bridge two studs or at least one, and the picture can slide side to side somewhat if you need.