maxdlx said:You can take a small punch or scratch awl, and drive the mandrel of the rivet back into the rivet, and even clear out of it, then drill the heads off. Maxdlx
! The mandrel would not pound out, I felt like I was going to bend the tunnel before the mandrel was coming out. I had to take a dremel and cut off part of the rivet in the rear. Then I was able to pound it through.