jb weld? ..... odd break if not hit...or a buncha tape like you did might last for MILES...or make your own L shaped bracket screwed to headlite...so many free DIY fixin options!!!!! or the wreckers .....weird on the missin chunk if true...start spaying bolt with wd40 or better yet a penetrating..thinnned....bolt lubricant...let it sit...a week if possible, spay repeatedly..spray underneath bolt it looks like...why on earth is "low beams 1 percent" molded into the headlight