Was thinking about hanging our tv in the bedroom on a wall mount. The lag screws to hold the mount are long enough to hang my hat on the excess on the outside. What size screws are big enough to hold ...
I spanned three studs with a piece of 5/8" plywood. Plywood glued onto wall and two fasteners in each stud. The fasteners (bolts) for the TV mount were led from the back of the board towards the front. I captured the mount with a nut on each bolt. This supports a 32" screen.