Does anyone know what size the small screw is that holds the faceplate in place on the HLC 6 button room controllers? I called HAI tech support and they told me it was a metric #2. However, when I take a screw from the HLC and try it in a sizing chart, it seems slightly smaller than a metric #2. I also, went ahead and bought some metric #2 and they are clearly a little bit too big when I try to screw them into the room controller. My controller is a few years old, so I am wondering if they changed screw sizes at some point?