Indeed, this must be the case. In fact I used your key word "pivot" in a web search and it came up with some good hits:lothman wrote: ↑Mon Dec 14, 2020 1:41 pmhardened and then blued steel, I'm rather sure it was made for replacing worn pivots, but I wonder of the fine steps in size and the large quantity. That's enough for 10 watchmaker careers.ray_parkhurst wrote: ↑Mon Dec 14, 2020 11:54 amIndeed I am still puzzled by these wires. For now they will remain a mystery.
https://www.youtube.com/watch?v=9p6yjtDA99E
https://milehiclocksupplies.com/catalog ... evised.pdf
https://www.cousinsuk.com/product/pivot ... el-by-size
I think this is the answer, though these go smaller than what I see in these refs.