And why would it be really studs are basically every 16 inside the wall so the odds will not be in your favor to have one exactly where you need it.
How to mount heavy to wall studs.
For best results heavy objects should be mounted to as many metal studs as possible so that the weight will be evenly distributed.
Your existing cabinets are probably mounded with screws long enough to reach through the cabinet back and the drywall then go deep enough into the studs to support the weight.
Some prior knowledge of the existing materials thickness of the drywall gauge of metal studs and spacing of metal studs will aid in determining the best mounting methods.
Drill 1 8 inch holes into the marks on the bottom of the shelves.
You want something mounted on the wall that s heavy and going to need proper stud support but the stud isn t in the exact spot you need it.
Hammer the anchor in until it s flush with the wall.
Position the shelves on the brackets and make a pencil mark through the mounting holes onto the bottom of the shelves.
Using toggle bolts is a common way to anchor heavy objects into steel studs.
For shelves or larger frames and heavier items anchor into at least 2 studs.
Use a suitable size screw or hook between 1 inches and 2 inches in length t0 use as anchor points for your hanging.
Next take your screw and begin driving it into the anchor.
The right way to mount cabinets is probably with a french cleat.