A french cleat is commonly used to attach cabinets to a wall. A molding, cut with a 45 degree slope is attached to a wall. Then a variety of "cleats" with a matching 45 degree bevel can be hung in ...

Cut the Wall Cleats Rip the French cleat strips for the wall to 4 in. wide. Then reset the saw to 45 degrees and adjust the fence to leave about a 1/8-in. flat area at the point of the bevels. Cut ...

Despite the name, a French cleat isn’t anything really that special. They’re essentially boards cut with an angle so they can be used to hang just about anything from them.