Any fastener alternatives available for these roof rack bolts?

[mr_manny]

I have a few plastic knobs that deteriorated over the years on my 1990 Bronco II.
Was curious if there were any fastener alternatives available?

Thanks

 

[Shran]

If they're the same setup as on the 1st gen Explorers, they are just a 6mm metric fastener that's screwed into little square threaded plates. I imagine you could find some generic knobs with whatever thread you want somewhere online.

I wanted my roof rack to be much lower to the roof than the stock roof rack rails allow it to be so I made my own cross bars and bolted them to those little square plates with the bolts that hold first gen door mirrors on - they are either stainless or chrome and have a big rounded head that takes a Torx bit. I love those bolts, they are so handy for stuff like that.

 

[lil_Blue_Ford]

McMaster Carr would probably be the place to look for replacement knobs

 

[mr_manny]

Will look for some generic stainless fasteners...
Thanks for the replies.

 

[mr_manny]

Found some M6x12mm knurled stainless thumb screws that work.
May paint them black, so they don't stand out as much.