Originally Posted by shady3031

I helped a buddy do this at the SIC in Alabama last year. We took a drill bit and drilled through the head of the bolt, when the head of the bolt breaks off, the head will come off over the threaded part of the bolt. Then you can use a pair of pliers to remove the threaded part. I have done this numerous times and it always works, just take your time, you may want to start with a smaller size bit, then increase the size to completely remove the caphead.

Hope this helps and good luck.