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DIN 7968 Standard Dimensions for Hexagon fit bolts with hexagon nut for steel structures

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Hexagon fit bolts with hexagon nut for steel structures

This standard DIN 7968 specifies dimensions and technical delivery conditions for M12 to M30 hexagon fit bolts of product grade C for use in structural steel bolting. It also specifies the nuts and washers to be used.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 7968

Publication date 08-2017 Supersedes DIN 7968 07/2007
d thread size
P
 b nom
e min
k nom
 ds nom
s nom
M 12
1.75
 20.5
19.85
20.88
8
 13 18
M 16
2
 24.5
26.17
10
 17
24
M 20
2.5
 28.5
32.95
13
 21
30
M 24
3
 33
39.55
15
 25
36
M 27
3
 35.5
45.20
17
 28
41
M 30
3.5
 38.5
50.85
19
 31
46

Dimensions in mm - source DIN 7968

Publication date 07/2007 DIN 7968
d thread size
P
 b nom
e min
k nom
 ds nom
s nom
M 12
1.75
 20.5
19.85
20.88
8
 13 18 19
M 16
2
 24.5
26.17
10
 17
24
M 20
2.5
 28.5
32.95
13
 21
30
M 22
2.5
30.5
37.29
35.03
14
 23
34
32
M 24
3
 33
39.55
15
 25
36
M 27
3
 35.5
45.20
17
 28
41
M 30
3.5
 38.5
50.85
19
 31
46

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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