Originally Posted by
AJI125
EDIT: Seems obvious now, but I wonder if I could've grabbed a thinner M5 nut, carefully threaded it on the remainder, THEN used a small screwdriver bit. Nut would've maybe held the "ears" together. Something to try if there's a next time...
That's the beginning of the method guys who can weld will use - put a nut over the end of the broken bolt, weld the end to the inside of the nut.