UNI 6753 Estándar Dimensiones para Sockets screws keys, screwdrivers
Historia técnica y equivalentes internacionales de UNI 6753
Esta norma ha sido cancelada
Esta norma ha sido sustituida por UNI ISO 2936
Llaves hexagonales para tornillos con hexágono interior
Dibujos dimensionales y diagramas técnicos
Dimensiones clave y parámetros técnicos
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Dimensions in mm - source UNI 6753Withdrawn |
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| Publication date: 03/1984 | ||||||
| S | L 1 | L 2 | ||||
| nom | tolerance | nom | tolerance | nom | tolerance | |
| 2 | 0 ÷ -0.04 | 50 | 0 ÷ -2 | 16 | 0 ÷ -1 | |
| 2.5 | 0 ÷ -0.04 | 56 | 0 ÷ -3 | 18 | 0 ÷ -1 | |
| 3 | 0 ÷ -0.04 | 63 | 0 ÷ -3 | 20 | 0 ÷ -2 | |
| 4 | 0 ÷ -0.04 | 70 | 0 ÷ -4 | 25 | 0 ÷ -2 | |
| 5 | 0 ÷ -0.04 | 80 | 0 ÷ -4 | 28 | 0 ÷ -2 | |
| 6 | 0 ÷ -0.04 | 90 | 0 ÷ -4 | 32 | 0 ÷ -2 | |
| 7 | 0 ÷ -0.06 | 98 | 0 ÷ -5 | 34 | 0 ÷ -2 | |
| 8 | 0 ÷ -0.06 | 100 | 0 ÷ -5 | 36 | 0 ÷ -2 | |
| 9 | 0 ÷ -0.06 | 112 | 0 ÷ -6 | 38 | 0 ÷ -2 | |
| 10 | 0 ÷ -0.06 | 112 | 0 ÷ -6 | 40 | 0 ÷ -2 | |
| 12 | 0 ÷ -0.11 | 125 | 0 ÷ -6 | 45 | 0 ÷ -2 | |
| 14 | 0 ÷ -0.11 | 140 | 0 ÷ -7 | 55 | 0 ÷ -3 | |
| 17 | 0 ÷ -0.11 | 160 | 0 ÷ -8 | 63 | 0 ÷ -3 | |
| 19 | 0 ÷ -0.13 | 180 | 0 ÷ -9 | 70 | 0 ÷ -3 | |