Circular Screws??

[commandercup]

No, the nail removing end...

I know that you meant that side, but still so you just whack it? you can't exactly wedge it out

 

[Trotter]

You can use a drill with a bit the same size as the hole the rivet is in.

 

[aspire]

+1 on drilling them out. I had to drill out about 8 or so to get my aurora's top panel off.