I would use some ss set screws. Doubt you'll notice them. They will be below flush and you could dab some sealant in the head when done. You're probably the only one that will ever know.

how about a SS stud w/locktite on it then put as nut w/washer and nylock nut

After I sent that last message i was really thinking about that set screw idea with the all thread but before someone had said something about SS set screws and here they are again, I build robotic lights tons of set screws but I have never heard of an "SS" set screw. What is it????????

STAINLESS STELL!!!! I think i got it

Yup Stainless Steal

McMaster Part# 92313A829 and call it a day. Use anti-seize!!!!

McMaster?? As in McMaster-Carr?? Love that web site! I see the web site and the set screw pack is ordered!

Thanks everone I'll let you know how it turn out!

Coulda just went to your local hardware store and bought a SS bolt with the needed length of threads and cut to length. Use a tap to clean up the messed up threads and your back in business.

the trouble was getting a tap up in there