UNI 9327 Estándar Dimensiones para Hexagon socket head cap screws with low head
Tornillos de cabeza cilíndrica baja con hexágono interior
La norma UNI 9327 establece las características de los tornillos de cabeza cilíndrica baja con hexágono interior, con rosca gruesa de M1,6 a M56 y paso fino de M8 x 1 a M56 x 4, de categoría A.
Dibujos dimensionales y diagramas técnicos
Dimensiones clave y parámetros técnicos
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Dimensions in mm - source UNI 9327 |
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| Publication date: 11-1988 | ||||||||
| d thread size | P coarse thread | P fine thread | dk nom=max | k min | k max | s nom | t min | b rif |
| M 1.6 | 0.35 | - | 3 | 1.1 | 1.2 | 1.5 | 0.53 | 15 |
| M 2 | 0.4 | - | 3.8 | 1.4 | 1.5 | 1.5 | 0.75 | 16 |
| M 2.5 | 0.45 | - | 4.5 | 1.78 | 1.88 | 2 | 0.85 | 17 |
| M 3 | 0.5 | - | 5.5 | 2.15 | 2.25 | 2.5 | 1.1 | 18 |
| M 4 | 0.7 | - | 7 | 2.9 | 3 | 3 | 1.5 | 20 |
| M 5 | 0.8 | - | 8.5 | 3.57 | 3.75 | 4 | 1.9 | 22 |
| M 6 | 1 | - | 10 | 4.32 | 4.5 | 5 | 2.4 | 24 |
| M 8 | 1.25 | 1 | 13 | 5.82 | 6 | 6 | 3.2 | 28 |
| M 10 | 1.5 | 1.25 | 16 | 7.28 | 7.5 | 8 | 3.8 | 32 |
| M 12 | 1.75 | 1.25 | 18 | 8.78 | 9 | 10 | 4.4 | 36 |
| M 14 | 2 | 1.5 | 21 | 10.23 | 10.5 | 12 | 5 | 40 |
| M 16 | 2 | 1.5 | 24 | 11.73 | 12 | 14 | 5.8 | 44 |
| M 18 | 2.5 | 1.5 | 27 | 13.23 | 13.5 | 14 | 6.6 | 48 |
| M 20 | 2.5 | 1.5 | 30 | 14.73 | 15 | 17 | 7.3 | 52 |
| M 22 | 2.5 | 1.5 | 33 | 16.23 | 16.5 | 17 | 8 | 56 |
| M 24 | 3 | 2 | 36 | 17.73 | 18 | 19 | 8.8 | 60 |
| M 27 | 3 | 2 | 40 | 19.92 | 20.25 | 19 | 9.9 | 66 |
| M 30 | 3.5 | 2 | 45 | 22.17 | 22.5 | 22 | 11 | 72 |
| M 33 | 3.5 | 2 | 50 | 24.42 | 24.75 | 24 | 12.1 | 78 |
| M 36 | 4 | 3 | 54 | 26.67 | 27 | 27 | 13.2 | 84 |
| M 39 | 4 | 3 | 58 | 28.92 | 29.25 | 27 | 14.4 | 90 |
| M 42 | 4.5 | 3 | 63 | 31.11 | 31.5 | 32 | 15.5 | 96 |
| M 48 | 5 | 3 | 72 | 35.61 | 36 | 36 | 17.8 | 106 |
| M 52 | 5 | 3 | 78 | 38.54 | 39 | 36 | 19 | 116 |
| M 56 | 5.5 | 4 | 84 | 41.54 | 42 | 41 | 20 | 124 |