I didn't do it and woudnt try it and I'll try drilling holes into anything. It could be done and work but if it cracks that's a very pricey mistake. My dishwasher mounts the counter to not the cabinets. I epoxied 2 pieces of 1/4" plywood to the counter and put the screws in there. One stone fabricator awhile ago made notches and put the plywood into the counter but I guess nobody has time to do things like that anymore.