Originally Posted by centerforce99
Although stripped, you may find that a fatter cross tip will cover more of the area of the tip of the screw which can allow you to break it free. Try that. Spray w/wd40, wipe it down and get a fatter cross tip attachment for the impact screw driver. If that does not work, try drilling.
You could try that I use a #3 phillips with the impact driver before you twist the driver hammer it a few times to get it fully seated the twist and bang I have never had a problem doing it that way and if you have to drill it no big deal if you leave it out