It was my guess that it is chrome plated (It might be nickel plated, not sure).
The current color of the bolt is only discoloration (carbon).
I tried to remove it with BoreTech Carbon Remover, without success.
The current color of the bolt is only discoloration (carbon).
I tried to remove it with BoreTech Carbon Remover, without success.
Maybe I misunderstood but; the second bolt does not appear to be chromed.......


















































