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DIN 6908 Standard Dimensions for Conical spring washers for screw and washer assemblies

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Conical spring washers for screw and washer assemblies

This norm DIN 6908 specifies sizes and mechanical properties as well as functional properties of conical spring washers assemblies. Conical Spring washers as per DIN 6908 are intended for use with screw and washer assemblies as specified in DIN 6900 part 5.They are designed to use with bolted connections with bolts of property classes 8.8 to 10.9 (as specified in ISO 898 Part 1).

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 6908
Publication date: 08-1995 Supersedes DIN 6908: 12-1990
d thread size d1 min=nom d2 max=nom s h min h max
M 2.5
2.25
6
0.5
0.61
 0.72
M 3
2.75
7
0.6
0.72
 0.85
M 3.5
3.20
8
0.8
0.92
 1.06
M 4
3.60
9
1.0
1.12
 1.3
M 5
4.55
11
1.2
1.35
 1.55
M 6
5.50
14
1.5
2.30
 2.6
M 8
7.40
18
2.0
2.80
 3.1
M 10
9.30
23
2.5
3.30
 3.6
M 12
11.0
29
3.0
3.80
 4.1

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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