On 28/01/2020 15:04, newshound wrote:
On 26/01/2020 16:24, williamwright wrote:
On 26/01/2020 13:09, Martin Brown wrote:


Powder coating, shrink wrap or some other plastic inserts to keep the
two metals from direct contact would be one way out.


What about the fixings?

Bill

What fixings? You would use a clamp, rather than risk weakening the rail
by drilling it for a bolt.

What about the bolt in the clamp?

Bill