DIN 6921 Standard Dimensioni per Hexagon flange bolts with or without knurled underhead heavy series
Storia tecnica ed equivalenti internazionali di DIN 6921
Questa norma è stata annullata
Questa norma è stata sostituita da DIN EN 1665
Viti a testa esagonale con flangia
Disegni dimensionali e diagrammi tecnici
Dimensioni chiave e parametri tecnici
|
Dimensions in mm - source DIN 6921Withdrawn Publication date : 06/1983 |
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| d thread size |
P
|
b (l<=125)
|
b (l>125<=200) | b (l>200) | ds min |
c min
|
dk max.
|
k max |
e min.
|
s nom=max |
|
M 5
|
0.8
|
16
|
-
|
- | 4.82 |
1
|
11.8
|
5.4 |
8.71
|
8 |
|
M 6
|
1
|
18
|
-
|
- | 5.82 |
1.1
|
14.2
|
6.6 |
10.95
|
10 |
|
M 8
|
1.25
|
22
|
28
|
- | 7.78 |
1.2
|
18
|
8.1 |
14.26
|
13 |
|
M 10
|
1.5
|
26
|
32
|
- | 9.78 |
1.5
|
22.3
|
9.2 | 16.5 | 15 |
|
M 12
|
1.75
|
30
|
36
|
- | 11.73 |
1.8
|
26.6
|
11.5 | 17.62 | 16 |
|
M 14
|
2
|
34
|
40
|
- | 13.73 |
2.1
|
30.5
|
12.8 | 19.86 | 18 |
|
M 16
|
2
|
38
|
44
|
57 | 15.73 |
2.4
|
35
|
14.4 |
23.15
|
21 |
|
M 20
|
2.5
|
46
|
52
|
65 | 19.67 |
3
|
43
|
17.1 |
29.87
|
27 |
|
DIN 6921 1983 - ≈ weigth, in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items |
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|
d thread size |
M5
|
M6
|
M8
|
M10
|
M12
|
M14
|
M16
|
| nominal length l | |||||||
| 10 | 3.22 | ||||||
| 12 | 3.46 | 6.94 | 13.76 | 24.04 | |||
| 16 | 3.94 | 7.62 | 15.01 | 26.01 | |||
| 20 | 4.42 | 8.30 | 16.25 | 27.97 | 44.35 | ||
| 25 | 5.25 | 9.16 | 17.8 | 30.42 | 47.9 | 66.96 | 83.82 |
| 30 | 6 | 10.5 | 19.36 | 32.88 | 51.46 | 71.83 | 90.37 |
| 35 | 6.74 | 11.58 | 21.77 | 35.33 | 55.02 | 76.71 | 96.92 |
| 40 | 7.48 | 12.65 | 23.68 | 39.18 | 58.57 | 81.58 | 103.47 |
| 45 | 8.23 | 13.73 | 25.6 | 42.2 | 64.2 | 86.46 | 110 |
| 50 | 8.97 | 14.8 | 27.52 | 45.21 | 68.54 | 94.27 | 116.6 |
| 55 | 9.71 | 15.88 | 29.44 | 48.23 | 72.87 | 100.19 | 126.7 |
| 60 | 10.46 | 16.96 | 31.36 | 51.24 | 77.21 | 106.11 | 134.5 |
| 65 | 11.2 | 18.03 | 33.27 | 54.25 | 81.55 | 112.04 | 142.3 |
| 70 | 11.94 | 19.11 | 35.19 | 57.27 | 85.89 | 117.96 | 150 |
| 75 | 12.68 | 20.18 | 37.11 | 60.28 | 90.23 | 123.88 | 158 |
| 80 | 13.43 | 21.26 | 39.03 | 63.29 | 94.56 | 129.81 | 166 |
| 85 | 22.34 | 40.95 | 66.31 | 98.9 | 135.73 | 173 | |
| 90 | 23.41 | 42.87 | 69.32 | 103.24 | 141.65 | 181 | |
| 95 | 24.49 | 44.78 | 72.35 | 107.58 | 147.58 | 189 | |
| 100 | 25.57 | 46.7 | 75.35 | 111.91 | 153.5 | 197 | |
| 110 | 81.38 | 120.59 | 165.35 | 212 | |||
| 120 | 87.4 | 129.26 | 177.19 | 228 | |||
| 130 | 92.76 | 137 | 187.78 | 242 | |||
| 140 | 145.68 | 199.63 | 257 | ||||
| 150 | 211.47 | 273 | |||||
|
Hex head flanged screws with knurled underhead Sechskantschrauben mit Flansch mit Rändelschraube Unterkopf Viti a testa esagonale flangiata zigrinata |
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|
Dimensions in mm |
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| d thread size | k | h | dk |
s |
nr. of Teeth | |||
|
M 5
|
4.3 | 0.15 | 11.2 | 8 | 24 | |||
|
M 6
|
5.5 | 0.17 | 14.2 | 10 | 24 | |||
|
M 8
|
7 | 0.2 | 18.2 | 13 | 24 | |||
|
M 10
|
7.9 | 0.25 | 21 | 15 | 24 | |||
|
M 12
|
8.7 | 0.25 | 24 | 17 | 24 | |||
|
M 16
|
11.2 | 0.28 | 31 | 22 | 24 | |||