I lost this thread, I was looking for it in "members art". :-[
I backtracked through your build thread and found it again. The circlip should be made out of spring steel, that would make for an excellent cutting tool. I was a bit surprised at the re-heat treating, in the file to cutting tool page. I guess because I would just grind stuff to shape, instead of bending and filing. The hardness should be ideal as the file comes, but I could understand it if you needed to bend it to get the tool you need.
Different strokes.
I spent almost twenty years working in a tool and die job shop, worked with a lot of alloys, O1, A2, D2, M2, S7, 4140, manganese etc. If you need any info, I would be happy to help.
I backtracked through your build thread and found it again. The circlip should be made out of spring steel, that would make for an excellent cutting tool. I was a bit surprised at the re-heat treating, in the file to cutting tool page. I guess because I would just grind stuff to shape, instead of bending and filing. The hardness should be ideal as the file comes, but I could understand it if you needed to bend it to get the tool you need.
Different strokes.
I spent almost twenty years working in a tool and die job shop, worked with a lot of alloys, O1, A2, D2, M2, S7, 4140, manganese etc. If you need any info, I would be happy to help.