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DIN 7980 Standard Dimensions for Single coil spring square washers for screws with cylindrical heads

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This norm has been cancelled

Single coil spring square washers for screws with cylindrical heads

Dimensional Drawing and Technical Diagrams

631_dJ0L48_7980.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 7980 - Withdrawn
Publication Date: 10 - 1987 Supersedes DIN 7980 : 12-1972
Thread size
d1 min
d2 max
s
h
 b ≈ weight in kg x1000 pcs
M 3
3.1
5.6
1
2
1
 0.105
M 3.5
3.6
6.1
1
2
1
 0.114
M 4
4.1
7
1.2
2.4
1.2
 0.195
M 5
5.1
8.6
1.6
3
1.6
 0.37
M 6
6.1
9.7
1.6
3
1.6
 0.425
M 8
8.1
12.8
2
4
2
 1.06
M 10
10.2
16.1
2.5
5
2.5
 1.96
M 12
12.2
18.3
2.5
5
2.5
 2.28
M 14
14.2
21.4
3
6
3
 3.8
M 16
16.2
24.6
3.5
7
3.5
 5.94
M 18
18.2
26.6
3.5
7
3.5
 6.6
M 20
20.2
30.6
4.5
9
4.5
 12.3
M 22
22.5
35.9
4.5
9
4.5
 13.6
M 24
24.5
38.9
5
10
5
 18.1
M 27
27.5
38.9
5
 10 5 20.6
M 30
31.7
44.1
6
 12
6
 32

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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