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Prevailing Torque Hexagon Nuts - Regular Nuts (with non-metallic insert), with Fine Pitch Thread

ISO 10512 - 2025

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国际ISO 10512 - 2025 ISO10512 10512ISO Prevailing Torque Hexagon Nuts - Regular Nuts (with non-metallic insert), with Fine Pitch Thread
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 *Models with different eras.

Thread Size
D
M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30 (M33) M36 (M39)
P Pitch（Fine thread）
Pitch（Very fine thread）
da max
min
dw min
e min
h max=nominal size
min
m min
mw min
s max=nominal size
min
1 1.25 1.5 1.5 1.5 2 2 2 2 2 2 2 3 3
/ 1 1.25 / / 1.5 1.5 1.5 / / / / / /
8.75 10.8 12.96 15.12 17.28 19.44 21.6 23.76 25.92 29.16 32.4 35.64 38.88 42.12
8 10 12 14 16 18 20 22 24 27 30 33 36 39
11.63 14.63 16.63 19.64 22.49 24.85 27.7 31.35 33.25 38 42.75 46.55 51.11 55.86
14.38 17.77 20.03 23.36 26.75 29.56 32.95 37.29 39.55 45.2 50.85 55.37 60.79 66.44
9.5 11.9 14.9 17 19.1 21.2 23 25 27.1 29.9 32.6 35.7 38.9 41.9
8.92 11.2 14.2 15.9 17.8 19.9 20.9 22.9 25 27.8 30.1 33.5 36.4 39.4
6.44 8.04 10.37 12.1 14.1 15.1 16.9 18.1 20.2 22.5 24.3 27.4 29.4 31.8
5.15 6.43 8.3 9.68 11.28 12.08 13.52 14.48 16.16 18 19.44 21.92 23.52 25.44
13 16 18 21 24 27 30 34 36 41 46 50 55 60
12.73 15.73 17.73 20.67 23.67 26.16 29.16 33 35 40 45 49 53.8 58.8

Alternative history

ISO 10512 - 1997 ISO 10512 - 2012 ISO 10512 - 2025
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