Metric Nylon Hex Nuts:

Drawing 1: hexnutdw.jpg

All tolerances +/- .26mm
Item Number Description F H
04M020040HN M2 X 0.4 3.9 1.2
04M025045HN M2.5 X 0.45 4.9 1.8
04M030050HN M3 X 0.5 5.4 2.2
04M035060HN M3.5 X 0.6 6.9 2.7
04M040070HN M4 X 0.7 6.9 3
04M050080HN M5 X 0.8 7.9 4.3
04M060100HN M6 X 1.0 10 5.4
04M080125HN M8 X 1.25 12.9 6.4
04M100150HN M10 X 1.50 14.8 9.8
04M120175HN M12 X 1.75 17.74 10.54

Dimensions are in MM.