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High-Strength Structural Bolting Assemblies For Preloading-Part 8: System HV-Hexagon Fit Bolt And Nut Assemblies

NF E 25-801-8 - 2008

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法国NF E25-801-8 - 2008 NF25-801-8 25-801- High-Strength Structural Bolting Assemblies For Preloading-Part 8: System HV-Hexagon Fit Bolt And Nut Assemblies
Screw Thread
d
M12 M16 M20 M22 M24 M27 M30 M36
P Pitch
b
ds Nominal Size
min
max
k Nominal Size
min
max
s max
min
1.75 2 2.5 2.5 3 3 3.5 4
23 28 33 34 39 41 44 52
13 17 21 23 25 28 31 37
12.74 16.74 20.71 22.71 24.71 27.71 30.67 36.67
12.85 16.85 20.84 22.84 24.84 27.84 30.83 36.83
8 10 13 14 15 17 19 23
7.55 9.25 12.1 13.1 14.1 16.1 17.95 21.95
8.45 10.75 13.9 14.9 15.9 17.9 20.05 24.05
22 27 32 26 41 46 50 60
21.16 26.16 31 35 40 45 49 58.8