u-joint strap

I have a 97 TJ 4.0 with a manual trans I was driving and went around a corner then put it into second gear to accelerate and had my rear driveshaft pop from the furthest rear u-joint. I later replaced the u-joint and got everything back together only to find that I now have a shake when...

Any recommendations on how best to remove stripped bolts on the u-joint strap? It's too tight to fit a socket or drill out, I'm thinking I may need to weld something on, but these bolts are kind of small to do that. These are on my front driveshaft, I just pulled the t-case to install an SYE and...