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DIN EN ISO 7048 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 7048

Equivalent standards: UNI EN ISO 7048 ISO 7048 NF EN ISO 7048 BS EN ISO 7048

Cross recessed cheese head screws

 

This standard (DIN 7048 and equivalents) specifies the characteristics of cross-recessed cheese head screws of product grade A, with threads from M2,5 to M8 inclusive, and with cross recesses of types H and Z.

Dimensional Drawing and Technical Diagrams

847_4jazXO_din-en-iso-7048.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source DIN EN ISO 7048

Publication date: 07/2011 Supersedes DIN EN ISO 7048: 10/1998

d thread size
P
k min
 k max
dk min
 dk max recess nr.
Type H m ref.
 Type Z m ref.
M 2.5
0.45
 1.66 1.8
4.32
 4.5 1 2.9 2.4
M 3
0.5
 1.86 2
5.32
 5.5 2 3.0 3.5
M 3.5
0.6
 2.26 2.4
5.82
 6 2 4.4 3.7
M 4
0.7
 2.46 2.6
6.78
 7 2 4.4 4
M 5
0.8
 3.12 3.3
8.28
 8 2 4.9 4.6
M 6
1
 3.6 3.9
9.78
 10 2 6.8 6.1
M 8
1.25
 4.7 5
12.
 13 3 8.9 7.5

DIN EN ISO 7048 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items
d thread size M 2.5 M 3 M 3.5 M 4 M 5 M 6 M 8
nominal length l
2
3 0.272
4 0.302 0.515
5 0.332 0.56 0.786 1.09
6 0.362 0.604 0.845 1.17 2.06
8 0.422 0.692 0.966 1.33 2.2 3.56
10 0.482 0.780 1.08 1.47 2.55 3.92 7.85
12 0.542 0.868 1.2 1.63 2.8 4.27 8.49
16 0.662 1.04 1.44 1.95 3.3 4.98 9.77
20 0.782 1.22 1.68 2.25 3.78 5.69 11
25 0.932 1.44 1.98 2.64 4.4 6.56 12.6
30 1.66 2.28 3.02 5.02 7.45 14.2
35 2.57 3.41 5.62 8.25 15.8
40 3.8 6.25 9.2 17.4
45 6.88 10 18.9
50 7.5 10.9 20.6
60 12.7 23.7
70 26.8
80 29.8

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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