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NF E25-123 Standard Dimensions for Slotted countersunk flat head screws

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Technical History and International Equivalents of NF E25-123

Equivalent standards: BS 4183
This norm has been cancelled

Slotted countersunk flat head screws - Product grade A

Dimensional Drawing and Technical Diagrams

1164_RpWfxW_din-en-iso-2009.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source NFE 25-123Withdrawn
Publication date: 08 - 1984
d thread size
 P
dk nom=max
k nom=max
t min
 t max
n min
 n max
M 1.6
 0.35
3
 1
0.32
 0.5 0.46 0.6
M 2
 0.4
3.8
1.2
0.4
 0.5 0.56 0.7
M 2.5
 0.45
4.7
1.5
0.5
 0.75 0.66 0.8
M 3
 0.5
5.5
1.65
0.6
 0.85 0.86 1
M 3.5 0.6 7.3 2.35 0.9 1.2 1.06 1.2
M 4
 0.7 8.4
2.7
 1 1.3 1.26 1.51
M 5
 0.8
9.3
2.7
1.1
 1.4 1.26 1.51
M 6
 1
11.30
3.3
1.2
 1.6 1.66 1.91
M 8
 1.25 15.8
4.65
1.8
 2.3 2.06 2.31
M 10
 1.5
18.30
5
2
 2.6 2.56 2.81

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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