Originally Posted by Billybob

Take a propane torch to the bolt head for a minute or so, it won't get too hot, it won't effect the heat treatment of the bolt or anything like that, it will soften the blue threadlock on the bolt's threads and then you can remove it much easier.

Of course don't have an open container of gasoline there, no gieant pile of cotton balls or anything else subject to bursting into flames when ignited!