Hi all
I have tabulated the data, so generously provided thank you, against ISO standard sizes, its pretty interesting.
That 34-tooth gear is very useful, it covers M1, M1.2, M2.5, M3, M4 fine, M5 fine, M6 fine, M7, M8 fine, M10, M12 fine, M14, M16. So if you are making both parts who needs...