DIN EN ISO 7051 Estándar Dimensiones para Tapping screws, cross recessed oval head
Tornillos autorroscantes de cabeza ovalada con ranura en cruz
Esta norma DIN EN ISO 7051 especifica las características de los tornillos autorroscantes de cabeza avellanada (ovalada) con ranura en cruz y 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 7051 Publication date: 11/2011 Supersedes DIN ISO 7051:08/1990 |
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Ø thread size
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P
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dk max.
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dk min | f ≈ |
k max.
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recess nr | m type H | m type Z |
y type C
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y type F | y type R |
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2.2
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0.8
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3.8 | 3.5 | 0.5 | 1.1 | 0 | 1.9 | 2 |
2
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1.6 | - |
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2.9
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1.1
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5.5 | 5.2 | 0.7 | 1.7 | 1 | 3.2 | 3 |
2.6
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2.1 | - |
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3.5
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1.3
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7.3 | 6.9 | 0.8 | 2.35 | 2 | 4.4 | 4.1 |
3.2
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2.5 | 2.7 |
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4.2
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1.4
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8.4 | 8 | 1 | 2.6 | 2 | 4.6 | 4.4 | 3.7 | 2.8 | 3.2 |
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4.8
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1.6
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9.3 | 8.9 | 1.2 | 2.8 | 2 | 5.2 | 4.9 | 4.3 | 3.2 | 3.6 |
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5.5
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1.8
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10.3 | 9.9 | 1.3 | 3 | 3 | 6.6 | 6.3 |
5
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3.6 | 4.3 |
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6.3
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1.8
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11.3 | 10.9 | 1.4 | 3.15 | 3 | 6.8 | 6.6 | 6 | 3.6 | 5 |
| 8 | 2.1 | 15.8 | 15.4 | 2 | 4.65 | 4 | 8.9 | 8.8 | 7.5 | 4.2 | 6.3 |
| 9.5 | 2.1 | 18.3 | 17.8 | 2.3 | 5.25 | 4 | 10 | 9.8 | 8 | 4.2 | - |
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DIN EN ISO 7051 - 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 | |||||
| 45 | X | X | |||||||
| 50 | X | X | |||||||