Posted by Nigel Graham 2 on 29/07/2021 21:20:36:
Even if it worked, as Oven Man doubts it would, it looks to me as if made from mild-steel, and would corrode quite rapidly despite what appears to be passivated zinc plating.
No. they are made of solid brass, they polish up beautifully. The thread is possibly a special as it is designed to screw into a fitting in place of the olive and tubing nut.
Peter
Edited By Oven Man on 29/07/2021 21:29:22