I had the same problem. I tried drilling a bit out and it didn't work too well; the metal was very hard. I ended up buying a torx set from Quadratec that includes most of the torx that you will need to work on the Jeep. If you don't have very many torx already, I'd recommend it.
"AN ARMED SOCIETY IS A POLITE SOCIETY"
"We, too, born to freedom, and believing in freedom, are willing to fight to maintain freedom. We and all others who believe as deeply as we do, would rather die on our feet than live on our knees." FDR
Blue Jeep Club Member #4
92 Canyon Blue Wrangler YJ 4.0L - with some fun goodies