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DIN 604 Standard Dimensions for Flat countersunk head nib bolts

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Flat countersunk head nib bolts

This standard DIN 604 specifies properties for sizes M6 to M24 flat countersunk head nib bolts of product grade C.

Dimensional Drawing and Technical Diagrams

76_2153.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 604
Publication date: 05-2017 - Supersedes DIN 604: 09-2010

d thread size
M 6
M 8
M 10
M 12
M 16
M 20
M 24
P
1
1.25
1.5
1.75
2
2.5
3
b (l<=125)
18
22
26
30
38
46
54
b (l>125<=200)
24
28
32
36
44
52
60
b (l>200)
-
41
45
49
57
65
73
dk max
12.55
16.55
19.65
24.65
32.8
32.8
38.8
dk min
11.45
15.45
18.35
23.35
31.20
31.20
37.20
ds min
5.52
7.42
9.42
11.30
15.30
19.16
23.16
g max
2.50
3.00
3.20
3.60
4.20
5.40
6.60
g min
2.10
2.60
2.72
3.12
3.72
4.92
6.02
i min
2.80
3.50
4.20
5.70
7.50
5.70
6.70
k
4.00
5.00
5.50
7.00
9.00
11.50

13.00
a min
90°
60°
a max
95°
65°

Dimensions in mm - source DIN 604
Publication date: 09 - 2010 - Supersedes DIN 604: 10 - 1981

d thread size
M 6
M 8
M 10
M 12
M 16
M 20
M 24
P
1
1.25
1.5
1.75
2
2.5
3
b (l<=125)
18
22
26
30
38
46
54
b (l>125<=200)
24
28
32
36
44
52
60
b (l>200)
-
41
45
49
57
65
73
dk max
12.55
16.55
19.65
24.65
32.8
32.8
38.8
dk min
11.45
15.45
18.35
23.35
31.2
31.2
37.2
ds min
5.52
7.42
9.42
11.30
15.30
19.16
23.16
g max
2.5
3
3.2
3.6
4.2
5.4
6.6
g min
2.1
2.6
2.72
3.12
3.72
4.92
6.02
i min
2.8
3.5
4.2
5.7
7.5
5.7
6.7
k
4
5
5.5
7
9
11.5
13
a min
90°
60°
a max
95°
65°

DIN 604 - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items

d thread size
M6
M8
M10
M12
M16
M20
M24
nominal length l
20 4.90 9.5 14.9
25 5.90 11.1 17.4 27.7
30 7 12.7 19.9 31.4 61.8
35 8.10 14.7 22.4 35.1 69.2
40 9.20 16.7 22.5 38.8 76.2
45 10.3 18.7 28.6 43.2 83.2
50 11.4 20.7 31.7 47.6 90.2 128
55 12.5 22.7 34.8 52 97.2 139
60 13.6 24.7 37.9 56.4 105 150 225
65 14.7 26.7 41 60.8 113 161 241
70 15.8 28.7 44.1 65.2 121 173 257
80 17.9 32.7 50.3 73.8 137 197 291
90 20.1 36.7 56.5 84.1 153 221 327
100 22.3 40.7 62.7 93.1 169 245 363
110 44.7 68.9 102 185 269 399
120 48.7 75.1 111 201 293 435
130 52.7 81.3 120 217 318 471
140 56.7 87.5 129 233 340 507
150 60.7 94 138 249 364 543
160 100 147 265 388 579

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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