I've always used a drill bit for Robarts http://www.robart.com/how_to/hinge_points.aspx shows how to do it just fine. If the trailing edge is small you can add a filler block to beef it up and give more strength and gluing area. Hinge glue is good for installing them. http://www.hobbypeople.net/gallery/339173.asp and is recommended by Robart.