DIN EN ISO 7049 Estándar Dimensiones para Tapping screws, cross recessed pan head
Tornillos de roscar con cabeza alomada en cruz
Esta norma DIN EN ISO 7049 especifica las características de los tornillos de roscar con cabeza alomada en cruz con tamaños de rosca de ST 2,2 a ST 9,5 inclusive.
Dibujos dimensionales y diagramas técnicos
Dimensiones clave y parámetros técnicos
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Dimensions in mm - source DIN EN ISO 7049 Publication date: 11/2011 Supersedes DIN ISO 7049: 08/1990 |
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Ø thread size
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P
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dk max
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dk min |
k max
|
k min | recess nr. |
Type H m ref.
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Type Z m ref.
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y type C
|
y type F |
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2.2
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0.8
|
4
|
3.7 |
1.6
|
1.4 | 0 |
1.9
|
2
|
2
|
1.6 |
|
2.9
|
1.1
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5.6
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5.3 |
2.4
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2.15 | 1 |
3
|
3
|
2.6
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2.1 |
|
3.5
|
1.3
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7
|
6.64 |
2.6
|
2.35 | 2 |
3.9
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4
|
3.2
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2.5 |
|
4.2
|
1.4
|
8
|
7.64 |
3.1
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2.8 | 2 |
4.4
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4.4
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3.7
|
2.8 |
|
4.8
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1.6
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9.5
|
9.14 |
3.7
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3.4 | 2 |
4.9
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4.8
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4.3 | 3.2 |
|
5.5
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1.8
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11
|
10.57 |
4
|
3.7 | 3 |
6.4
|
6.2
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5 | 3.6 |
|
6.3
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1.8
|
12
|
11.57 |
4.6
|
4.3 | 3 |
6.9
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6.8
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5 | 3.6 |
|
8
|
2.1
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16
|
15.57 |
6
|
5.6 | 4 |
9
|
8.9
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7.5 | 4.2 |
|
9.5
|
2.1
|
20
|
19.48 |
7.5
|
7.1 | 4 |
10.1
|
10.1 | 8 | 4.2 |
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DIN EN ISO 7049 - commercial lengths |
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| thread size | ST 2.2 | ST 2.9 | ST 3.5 | ST 4.2 | ST 4.8 | ST 5.5 | ST 6.3 | ST 8 | ST 9.5 |
| nominal length l | |||||||||
| 4.5 | X | ||||||||
| 6.5 | X | X | |||||||
| 9.5 | X | X | X | X | X | ||||
| 13 | X | X | X | X | X | X | X | ||
| 16 | X | X | X | X | X | X | X | X | X |
| 19 | X | X | X | X | X | X | X | X | |
| 22 | X | X | X | X | X | X | X | ||
| 25 | X | X | X | X | X | X | X | ||
| 32 | X | X | X | X | X | X | |||
| 38 | X | X | X | X | X | ||||
| 45 | X | X | |||||||
| 50 | X | X | |||||||