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Is this possible


Just for fun I took my lansky 120 / 600 grit diamond file and rounded the end of a real file. I use it to sharpen braze on carbide lathe tooling sometimes. I think it would shorten valve stem ends too. Is that a good idea? I’m not sure about that...


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Ultra Member
Premium Member
Well I think if one was careful and sure to make the surface even then I don't see why that wouldn't work.