Help I broke my 85's T-top

[hAZcAT]

I took my Vettes out for a picture, pulled the T-top out of the 85 and the threads where the bolt goes in fell out, Help how do I fix it? the piece in the grey pic is what fell out. I am thinking about JB weld

 

[Ken]

If that doesn't work, try a helicoil or a TimeSert.