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NF E25-135 Standard Dimensions for Studs, metal end ≈2d

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Studs - Metal end ≈ 1d, 1.25 d, 1.5 d, 2d

This standard has been drafted in a way to highlight the studs with an installation length of 1.5 d, the most commonly used. However, it was useful to also provide in this standard studs with implantation lengths of 1 d, 1.25 d and 2 d which correspond to more specific needs.

Dimensional Drawing and Technical Diagrams

1386_P2Vvap_nf-e25-135.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source NF E25-135
Publication date 12-1986
d thread size M 5 M 6 M 8 M 10 M 12 M 14 M 16 M 18 M 20 M 22 M 24
P Pitch 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3
b (l <=125) 16 18 22 26 30 34 38 42 46 50 54
(l >125) - - - - - 40 44 48 52 56 60
b1 Nominal size (b1=1d) 5 6 8 10 12 14 16 18 20 22 24
b1 Nominal size (b1=1.25d) 6.25 7.5 10 12.5 15 17.5 20 22.5 25 27.5 30
b1 Nominal size (b1=1.5d) 7.5 9 12 15 18 21 24 27 30 33 36
b1 Nominal size (b1=2d) 10 12 16 20 24 28 32 36 40 44 48

ds max

 5 6 8 10 12 14 16 18 20 22 24
ds min Type A 4.82 5.82 7.78 9.78 11.73 13.73 15.73 17.63 19.67 21.67 23.67
Type B - - - - - - 15.57 17.57 19.48 21.48 23.48
a max 2 2.5 3.2 3.8 4.3 5.0 5.0 6.3 6.3 6.3

7.5

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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