Pretty much sums up my question. The tail vise I'm going to install ask you to drill and tap holes in the bench top. (which is wood) Hole would be 1/4 and 5/16 SAE. If my top was hard maple or some other type of hard tight grained wood I might buy it more readily. I'm using white oak so.............. I'll try it on a piece of scrap. Anyone else tried this with success?