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DIN EN ISO 7046 2 Standard Dimensions for Countersunk flat head screws with cross recess

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Technical History and International Equivalents of DIN EN ISO 7046 2

Equivalent standards: NF EN ISO 7046 2 BS EN ISO 7046 2 UNI EN ISO 7046 2 ISO 7046 2

Countersunk flat head screws, cross recess

This standard contains specifications about countersunk flat head screws of product grade A, with threads from M1,6 to M10 inclusive, and property class 8.8, stainless steel screws and non-ferrous metal screws

Dimensional Drawing and Technical Diagrams

1743_3714.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source DIN EN ISO 7046-2
Publication date :12/2011 - Supersedes DIN EN ISO7046-2 : 10/1994 edition

d thread size
P
k nom/max
dk nom=max.
 Type 1 Type 2
recess Nr.
Type H m ref.
Type Z m ref.
recess Nr.
Type H m ref.
Type Z m ref.
M 2
0.4
 1.2
3.8
 0 1.9 1.9 0 1.9 1.9
M 2.5
0.45
 1.5
4.7
1
 2.9 2.8 1 2.7 2.5
M 3
0.5
 1.65
5.5
 1 3.2 3.0 1 2.9 2.8
M 3.5
0.6
 2.35
7.30
2
 4.4 4.1 2 4.1 4
M 4
0.7
 2.7
8.40
 2 4.6 4.4 2 4.6 4.4
M 5
0.8
 2.7
9.30
 2 5.2 4.9 2 4.8 4.6
M 6
1
 3.3
11.30
3
 6.8 6.6 3 6.6 6.3
M 8
1.25
 4.65
15.80
4
 8.9 8.8 4 8.7 8.5
M 10
1.5
 5
18.30
 4 10 9.8 4 9.6 9.4
Designation example: ISO 7046-2 M5 x 20 8.8 Z
Designation example: ISO 7046-2 M5 x 20 8.8 Z1

DIN EN ISO 7046-2 - commercial items
d thread size M 2 M 2.5 M 3 M 3.5 M 4 M 5 M 6 M 8 M 10
nominal length l
3 X X
4 X X X
5 X X X X X
6 X X X X X X
8 X X X X X X X
10 X X X X X X X X
12 X X X X X X X X X
14 X X X X X X X X X
16 X X X X X X X X X
20 X X X X X X X X X
25 X X X X X X X X
30 X X X X X X X
35 X X X X X X
40 X X X X X
45 X X X X
50 X X X X
55 X X X
60 X X X

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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