DIN 7504 Standard Dimensioni per Self-drilling screws, hexagon washer head with tapping thread
Viti autoperforanti con filetto autofilettante
Questa norma internazionale specifica le caratteristiche delle viti trattate termicamente con filettatura autofilettante in accordo con la ISO 1478, che sono progettate con una punta perforante che automaticamente prepara il foro di alloggiamento per la vite durante il montaggio.
Disegni dimensionali e diagrammi tecnici
Dimensioni chiave e parametri tecnici
|
Dimensions in mm - source DIN 7504 type K Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
|||||||||
| 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 |
|
Dimensions in mm - source DIN 7504 type L Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
||||||||||||
| 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 |
|
Dimensions in mm - source DIN 7504 type N Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
|||||||||
| 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 | |||
|
Dimensions in mm - source DIN 7504 type P Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
|||||||||
| 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 | ||||
|
Dimensions in mm - source DIN 7504 type R Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
|||||||||
| 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 | ||||
|
Drilling depth and grip length |
|||||||
| 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 | ||||