The exact size of the hole will depend on the size of the hardware required to hold your specific.
Hanging pictures on stacked stone walls without drilling.
Be sure you choose a wire hanger that can penetrate plaster walls.
Two examples are brick clips by a company called.
Whether you want to hang a picture on your wall or any other decorative object one of the most effective options that is also nice and simple is to use adhesive strips.
Brick clips that hold in the mortar space between the bricks.
Double sided tape can be used to hold items on a brick wall.
These trips are double sided one side of which should be stuck to the wall on the area you want to place the picture and the other should be attached to the picture.
There are several brands of lightweight wire hangers that can be installed without drilling into the stucco.
How to hang things on a stone wall.
Devices called brick clips or brick hangers allow people to hang pictures mirrors and other objects on walls without drilling into the brick.
Use wire hangers to hang heavy frames.
Push a metal or plastic anchor into the hole you drilled.
Weight limits vary by product with the strongest picture hanging hooks supporting a maximum of eight pounds.
Allow an hour for the adhesive to set before hanging the picture.
Hammer in brick hooks that advertise no drilling can be hammered into the bricks.
Clean the wall with rubbing alcohol then peel off the paper backing from the adhesive hook and press in place for 30 seconds.
Drill a hole in the wall with a masonry bit.