DIN 7971 Standardmäßig Abmessungen für Tapping screws, slotted pan head
Technische Geschichte und internationale Entsprechungen von DIN 7971
Diese Norm wurde aufgehoben
Diese Norm wurde ersetzt durch DIN EN ISO 1481
Flachkopf-Blechschrauben mit Schlitz
Maßzeichnungen und technische Diagramme
Wichtigste Abmessungen und technische Parameter
|
Dimensions in mm - source DIN 7971Withdrawn Publication date: 08 - 1990 |
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|
Ø
|
P |
dk max
|
dk min |
k max
|
k min |
t max
|
t min |
n max
|
n min | Y form C | Y form F |
|
ST 2.2
|
|
4.2
|
3.9 |
1.35
|
1.15 |
0.8
|
0.55 |
0.8
|
0.66 | 2 | 1.6 |
|
ST 2.9
|
1.1 |
5.6
|
5.3 |
1.75
|
1.5 |
1
|
0.75 |
1
|
0.86 | 2.6 | 2.1 |
|
ST 3.5
|
1.3 |
6.9
|
6.54 |
2.1
|
1.85 |
1.25
|
0.95 |
1.2
|
1.06 | 3.2 | 2.5 |
|
ST 3.9
|
1.3 |
7.5
|
7.14 |
2.25
|
2 |
1.4
|
1.05 |
1.2
|
1.06 | 3.5 | 2.7 |
|
ST 4.2
|
1.4 |
8.2
|
7.84 |
2.45
|
2.15 |
1.5
|
1.15 | 1.51 | 1.26 | 3.7 | 2.8 |
|
ST 4.8
|
1.6 |
9.5
|
9.14 |
2.8
|
2.5 |
1.7
|
1.35 | 1.51 | 1.26 | 4.3 | 3.2 |
|
ST 5.5
|
1.8 |
10.8
|
10.37 |
3.2
|
2.85 |
1.95
|
1.55 | 1.91 | 1.66 | 5 | 3.6 |
|
ST 6.3
|
1.8 |
12.5
|
12.07 |
3.65
|
3.3 |
2.2
|
1.8 | 1.91 | 1.66 | 6 | 3.6 |
|
DIN 7971 - ≈ weigth, in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial lengths |
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| thread size | ST 2 | ST 2.9 | ST 3.5 | ST 3.9 | ST 4.2 | ST 4.8 | ST 5.5 | ST 6.3 |
| nominal length l | ||||||||
| 4.5 | 0.174 | |||||||
| 6.5 | 0.214 | 0.424 | ||||||
| 9.5 | 0.274 | 0.532 | 0.84 | 1.07 | 1.26 | 1.85 | ||
| 13 | 0.404 | 0.658 | 1.02 | 1.29 | 1.5 | 2.18 | 3.24 | 4.32 |
| 16 | 0.766 | 1.17 | 1.48 | 1.71 | 2.48 | 3.62 | 4.86 | |
| 19 | 0.874 | 1.32 | 1.67 | 1.92 | 2.74 | 4 | 5.4 | |
| 22 | 1.47 | 1.86 | 2.13 | 3.02 | 4.38 | 5.94 | ||
| 25 | 1.62 | 2.05 | 2.34 | 3.3 | 4.76 | 6.48 | ||
| 32 | 2.83 | 3.96 | 5.67 | 7.74 | ||||
| 38 | 4.52 | 6.45 | 8.82 | |||||