DIN 7997 De forme standard Dimensions pour Cross recessed countersunk flat head wood screws
Vis à bois à tête fraisée cruciforme
Cette norme (DIN 7997) spécifie les caractéristiques des vis à bois à tête fraisée cruciforme pour filetages de 2 à 8 mm de diamètre, utilisées en dehors des zones soumises à homologation, comme les structures porteuses en bois.
Dessins cotés et schémas techniques
Dimensions et paramètres techniques clés
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Dimensions in mm - source DIN 7997 Publication date: 12/2016 Supersedes DIN 7997: 12/2010 |
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| thread size | 2 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 7 | 8 |
| ds min | 1.6 | 2.1 | 2.6 | 3.02 | 3.52 | 4.02 | 4.52 | 5.02 | 5.52 | 6.42 | 7.42 |
| dk nom | 3.8 | 4.7 | 5.6 | 6.5 | 7.5 | 8.3 | 9.2 | 10.2 | 11 | 12.5 | 14 |
| k max. | 1.2 | 1.5 | 1.65 | 1.93 | 2.2 | 2.35 | 2.5 | 2.75 | 3 | 3.5 | 4 |
| Cross recess nr | 0 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 |
| m (type H) | - | 2.7 | 2.9 | 3.9 | 4.4 | 4.6 | 4.8 | 6.2 | 6.6 | 6.8 | 8.7 |
| m (Type Z) | - | 2.8 | 3 | 4 | 4.2 | 4.4 | 5 | 6.1 | 6.3 | 7 | 8.5 |
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Dimensions in mm - source DIN 7997 Publication date: 12/2010 Supersedes DIN 7997: 12/1984 |
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| thread size | 2 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 7 | 8 |
| ds min | 1.6 | 2.1 | 2.6 | 3.02 | 3.52 | 4.02 | 4.52 | 5.02 | 5.52 | 6.42 | 7.42 |
| dk nom | 3.8 | 4.7 | 5.6 | 6.5 | 7.5 | 8.3 | 9.2 | 10.2 | 11 | 12.5 | 14 |
| k max. | 1.2 | 1.5 | 1.65 | 1.93 | 2.2 | 2.35 | 2.5 | 2.75 | 3 | 3.5 | 4 |
| Cross recess nr | 0 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 |
| m (type H) | - | 2.7 | 2.9 | 3.9 | 4.4 | 4.6 | 4.8 | 6.2 | 6.6 | 6.8 | 8.7 |
| m (Type Z) | - | 2.8 | 3 | 4 | 4.2 | 4.4 | 5 | 6.1 | 6.3 | 7 | 8.5 |
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DIN 7997 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items |
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| d thread size | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 7 | 8 |
| nominal length l | |||||||||||
| 10 | 0.37 | 0.6 | 0.79 | ||||||||
| 12 | 0.43 | 0.7 | 0.91 | 1.18 | |||||||
| 16 | 0.55 | 0.88 | 1.17 | 1.49 | 1.85 | 2.31 | |||||
| 20 | 0.67 | 1.06 | 1.43 | 1.79 | 2.22 | 2.78 | 4.12 | ||||
| 25 | 1.3 | 1.73 | 2.17 | 2.71 | 3.37 | 4.96 | |||||
| 30 | 1.54 | 2.04 | 2.55 | 3.19 | 4 | 5.8 | |||||
| 35 | 1.77 | 2.35 | 2.94 | 3.68 | 4.55 | 6.63 | |||||
| 40 | 2.01 | 2.66 | 3.22 | 4.17 | 5.14 | 7.46 | |||||
| 45 | 2.98 | 3.66 | 4.65 | 5.73 | 8.29 | ||||||
| 50 | 4.05 | 5.14 | 6.32 | 9.12 | |||||||
| 60 | 4.81 | 6.11 | 7.54 | 10.8 | |||||||
| 70 | 8.72 | 12.5 | |||||||||
| 80 | 9.9 | 14.3 | |||||||||