DIN 7504 Estándar Dimensiones para Self-drilling screws, hexagon washer head with tapping thread
Tornillos autoperforantes con rosca autorroscante
Esta Norma Internacional especifica las propiedades de los tornillos tratados térmicamente con rosca autorroscante, de acuerdo con la norma ISO 1478, y que están diseñados con una punta de perforación que perfora automáticamente el orificio central para el tornillo durante el montaje.
Dibujos dimensionales y diagramas técnicos
Dimensiones clave y parámetros técnicos
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Dimensions in mm - source DIN 7504 type K Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
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| Ø thread size | P | h min | k max | k min | dc min | dc max | s min | s max | dp max |
| ST 2.9 | 1.1 | 0.4 | 2.8 | 2.5 | 5.8 | 6.3 | 3.82 | 4 | 2.3 |
| ST 3.5 | 1.3 | 0.6 | 3.4 | 3 | 7.6 | 8.3 | 5.32 | 5.50 | 2.8 |
| ST 3.9 | 1.3 | 0.6 | 3.4 | 3 | 7.6 | 8.3 | 5.32 | 5.50 | 3.1 |
| ST 4.2 | 1.4 | 0.8 | 4.1 |
3.6 |
8.1 | 8.8 | 6.78 | 7 | 3.6 |
| ST 4.8 | 1.6 | 0.9 | 4.3 | 3.8 | 9.8 | 10.5 | 7.78 | 8 | 4.1 |
| ST 5.5 | 1.8 | 1 | 5.4 | 4.8 | 10 | 11 | 7.78 | 8 | 4.8 |
| ST 6.3 | 1.8 | 1 | 5.9 | 5.3 | 12.2 | 13.5 | 9.78 | 10 | 5.8 |
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Dimensions in mm - source DIN 7504 type L Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
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| Ø thread size | P | h min | k max | k min | dc min | dc max | s min | s max | n min | n max | t min | dp max |
| ST 2.9 | 1.1 | 0.4 | 2.8 | 2.5 | 5.8 | 6.3 | 3.82 | 4 | 0.86 | 1 | 0.35 | 2.3 |
| ST 3.5 | 1.3 | 0.6 | 3.4 | 3 | 7.6 | 8.3 | 5.32 | 5.50 | 1.06 | 1.2 | 0.43 | 2.8 |
| ST 3.9 | 1.3 | 0.6 | 3.4 | 3 | 7.6 | 8.3 | 5.32 | 5.50 | 1.06 | 1.2 | 0.43 | 3.1 |
| ST 4.2 | 1.4 | 0.8 | 4.1 |
3.6 |
8.1 | 8.8 | 6.78 | 7 | 1.26 | 1.51 | 0.51 | 3.6 |
| ST 4.8 | 1.6 | 0.9 | 4.3 | 3.8 | 9.8 | 10.5 | 7.78 | 8 | 1.26 | 1.51 | 0.51 | 4.1 |
| ST 5.5 | 1.8 | 1 | 5.4 | 4.8 | 10 | 11 | 7.78 | 8 | 1.66 | 1.91 | 0.66 | 4.8 |
| ST 6.3 | 1.8 | 1 | 5.9 | 5.3 | 12.2 | 13.5 | 9.78 | 10 | 1.66 | 1.91 | 0.66 | 5.8 |
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Dimensions in mm - source DIN 7504 type N Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
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| Ø thread size | P | k max | k min | dk min | dk max | dp max | |||
| ST 2.2 | 0.8 | 1.6 | 1.4 | 3.7 | 4 | 2.3 | |||
| ST 2.9 | 1.1 | 2.4 | 2.15 | 5.3 | 5.6 | 2.8 | |||
| ST 3.5 | 1.3 | 2.6 | 2.35 | 6.64 | 7 | 3.1 | |||
| ST 4.2 | 1.4 | 3.1 | 2.8 | 7.64 | 8 | 3.6 | |||
| ST 4.8 | 1.6 | 3.7 | 3.4 | 9.14 | 9.5 | 4.1 | |||
| ST 5.5 | 1.8 | 4 | 3.7 | 10.57 | 11 | 4.8 | |||
| ST 6.3 | 1.8 | 4.6 | 4.3 | 11.57 | 12 | 5.8 | |||
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Dimensions in mm - source DIN 7504 type P Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
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| Ø thread size | P | k max | dk min | dk max | dp max | ||||
| ST 2.2 | 0.8 | 1.1 | 3.5 | 3.8 | 2.3 | ||||
| ST 2.9 | 1.1 | 1.7 | 5.2 | 5.5 | 2.8 | ||||
| ST 3.5 | 1.3 | 2.35 | 6.9 | 7.3 | 3.1 | ||||
| ST 4.2 | 1.4 | 2.6 | 8 | 8.4 | 3.6 | ||||
| ST 4.8 | 1.6 | 2.8 | 8.9 | 9.3 | 4.1 | ||||
| ST 5.5 | 1.8 | 3 | 9.9 | 10.3 | 4.8 | ||||
| ST 6.3 | 1.8 | 3.15 | 10.9 | 11.3 | 5.8 | ||||
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Dimensions in mm - source DIN 7504 type R Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
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| Ø thread size | P | k max | dk min | dk max | dp max | ||||
| ST 2.2 | 0.8 | 1.1 | 3.5 | 3.8 | 2.3 | ||||
| ST 2.9 | 1.1 | 1.7 | 5.2 | 5.5 | 2.8 | ||||
| ST 3.5 | 1.3 | 2.35 | 6.9 | 7.3 | 3.1 | ||||
| ST 4.2 | 1.4 | 2.6 | 8 | 8.4 | 3.6 | ||||
| ST 4.8 | 1.6 | 2.8 | 8.9 | 9.3 | 4.1 | ||||
| ST 5.5 | 1.8 | 3 | 9.9 | 10.3 | 4.8 | ||||
| ST 6.3 | 1.8 | 3.15 | 10.9 | 11.3 | 5.8 | ||||
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Drilling depth and grip length |
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| Thread size | ST2,9 | ST3,5 | ST3,9 | ST4,2 | ST4,8 | ST5,5 | ST6.3 |
| drilling depth (sheet,plate,thickness), from-to: | 0.7-1.9 | 0.7-2.25 | 0.7-2.4 | 1.75-3 | 1.75-4.4 | 1.75-5.25 |
2-6 |
| Nominal size | Minimum grip length, lg | ||||||
| 9.5 | 3.25 | 2.85 | |||||
| 13 | 6.6 | 6.2 | 5.8 | 4.3 | 3.7 | ||
| 16 | 9.6 | 9.2 | 8.8 | 7.3 | 5.8 | 5 | |
| 19 | 12.5 | 12.1 | 11.7 | 10.3 | 8.7 | 8 | 7 |
| 22 | 15.1 | 14.7 | 13.3 | 11.7 | 11 | 10 | |
| 25 | 18.1 | 17.7 | 16.3 | 14.7 | 14 | 13 | |
| 32 | 24.5 | 23 | 21.5 | 21 | 20 | ||
| 38 | 30.5 | 29 | 27.5 | 27 | 26 | ||
| 45 | 34.5 | 34 | 33 | ||||
| 50 | 39.5 | 39 | 38 | ||||