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DIN EN ISO 7045 Standard Dimensions for Cross recessed countersunk flat head screws type H or Z

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Technical History and International Equivalents of DIN EN ISO 7045

Equivalent standards: UNI EN ISO 7045 ISO 7045 NF EN ISO 7045 BS EN ISO 7045

Pan head machine screws with cross recess

This standard DIN EN ISO 7045  contains specifications about pan head screws of product grade A, with threads from M1,6 to M10 inclusive, and with type H or type Z cross recess inclusive.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN EN ISO 7045
Publication date: 12-2011 Replaces DIN EN ISO 7045: 10-1994
d thread size
P
 dk nom=max k nom=max
recess No.
m Type H ref.
m Type Z ref.
M 1.6
0.35
 3.2 1.3
0
 1.7 1.6
M 2
 0.4 4 1.6
0
 1.9 2.10
M 2.5
 0.45 5 2
1
 2.7 2.6
M 3 0.5 6 2.4
1
 3 2.8
M 3.5
0.6
 7 2.7
2
 3.9 3.9
M 4
0.7
 8 3.1
2
 4.4 4.3
M 5
0.8
 10 3.8
2
 4.9 4.7
M 6
1
 12 4.6
3
 6.9 6.7
M 8
1.25
 16 6
4
 9 8.8
M 10
1.5
 20 7.5
4
 10.1 9.9

DIN EN ISO 7045 - ≈ 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 0.099 0.178 0.336
4 0.111 0.196 0.366 0.544
5 0.123 0.215 0.396 0.588 0.891 1.3
6 0.134 0.223 0.426 0.632 0.951 1.38 2.32
8 0.157 0.27 0.486 0.72 1.07 1.53 2.57 4.37
10 0.18 0.307 0.546 0.808 1.19 1.69 2.81 4.72 9.96
12 0.203 0.344 0.606 0.896 1.31 1.84 3.06 5.07 10.6 19.8
14 0.226 0.381 0.666 0.984 1.43 2 3.31 5.24 11.2 20.8
16 0.245 0.418 0.726 1.07 1.55 2.15 3.56 5.78 11.9 21.8
20 0.492 0.836 1.25 1.79 2.46 4.05 6.48 13.2 23.8
25 0.996 1.47 2.09 2.85 4.67 7.36 14.8 26.3
30 1.69 2.39 3.23 5.29 8.24 16.4 28.8
35 2.68 3.62 5.91 9.12 18 31.3
40 4.01 6.52 10 19.6 33.9
45 7.14 10.9 21.2 36.4
50 11.8 22.8 38.9
55 12.6 24.4 41.4
60 13.5 26 43.9

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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