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NF E25-120 Standard Dimensions for Raised countersunk head screws with cross recess

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Countersunk raised head screws of product grade A, type Z.

Dimensional Drawing and Technical Diagrams

1171_drSEeS_966.jpg

Key Dimensions and Technical Parameters

Dimensions in mm- source NFE E25-120Withdrawn

Publication date: 8 - 1984
d thread size
P
k nom/max
dk nom. max.
recess No.
t ~
M 1.6
0.35
1
3.0
0
0.4
M 2
0.4
1.2
3.8

0
0.5
M 2.5
0.45
1.5
4.7
 1
0.6
M 3
0.5
1.65
5.5
 1
0.75
M 3.5
0.6
2.35
7.3
2
0.8
M 4
0.7
2.7
8.4
 2
1
M 5
0.8
2.7
9.3
 2
1.2
M 6
1
3.3
11.30
3
1.4
M 8
1.25
4.65
15.37
4
2
M 10
1.5
5
17.78
 4
2.3

NFE E25-120 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items
d thread size M 1.6 M 2 M 2.5 M 3 M 3.5 M 4 M 5 M 6 M 8 M 10
nominal length l
3 0.067 0.119 0.212
4 0.078 0.138 0.242 0.351
5 0.09 0.156 0.272 0.395 0.669 0.99
6 0.102 0.175 0.302 0.439 0.729 1.07 1.49
8 0.125 0.212 0.362 0.527 0.849 1.23 1.73 2.79
10 0.145 0.249 0.422 0.615 0.969 1.39 1.97 3.14 6.89
12 0.165 0.287 0.482 0.70.3 1.09 1.54 2.21 3.49 7.53 11.4
14 0.185 0.325 0.543 0.791 1.21 1.7 2.45 3.84 8.17 12.5
16 0.205 0.362 0.603 0.879 1.33 1.85 2.69 4.19 8.81 13.5
20 0.436 0.723 1.06 1.57 2.17 3.17 4.89 10.1 15.5
25 0.874 1.28 1.87 2.56 3.77 5.77 11.7 18
30 1.5 2.17 2.95 4.37 6.64 13.3 20.6
35 2.47 3.34 4.97 7.52 14.9 23.1
40 3.73 5.57 8.39 16.5 25.6
45 6.16 9.27 18.1 28.1
50 6.76 10.1 19.7 30.7
55 11 21.3 33.2
60 11.9 22.9 35.7

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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