need help A.S.A.P.- Was going to switch out the 4 bolts you losten to tighten ur chain on my 400ex, becauset 2 of which were about to strip. well when i was taking them out.. 1 decided to be a pain, and stripped i dont know how to get it out now.... it's stuck in there, i've tried vice-grips, *small ones, bigger ones are hard to get in there*, super penetrate, and small pipe wrench, none of them have worked, it wont even budge at all. ANY LOGICAL IDEAS ARE WELCOME AND APPRECIATED.... PLEASE help me out.
thanks

 

the one that is troubling me is the one all the way to the right... closest to the disc.

 

get the drill out and see if you carefullydrill it

Framer