How to fix those loose and jiggly cupboard doors on your kitchen or bathroom cabinets. For this repair, you're going to need a flat head or phillips head screwdriver. Now, the type of screwdriver you're going to need is really dependent on the type of screw you have holding your cabinet door to your cabinet. We're going to use a phillips head screwdriver because, as you can see here, the top of our screw head is shaped like that of a crosshair. If it were shaped like one long groove in a straight line, then we'd need our flathead screwdriver.