UNI 6953 De forme standard Dimensions pour Tapping screws, slotted raised head
Vis autotaraudeuses à tête bombée fendue
Dessins cotés et schémas techniques
Dimensions et paramètres techniques clés
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Dimensions in mm - source UNI 6953Withdrawn Publication date: 11 - 1978 |
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Ø thread size
|
P |
dk max
|
dk min |
k max
|
t max
|
t min |
n max
|
n min |
|
ST 2.2
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0.8 | 4.3 | 4 | 1.3 | 1.15 | 0.95 | 0.6 | 0.66 |
|
ST 2.9
|
1.1 | 5.5 | 5.2 | 1.7 | 1.5 | 1.25 | 0.8 | 0.86 |
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ST 3.5
|
1.3 | 6.8 | 6.44 | 2.1 | 1.9 | 1.55 | 1 | 1.06 |
|
ST 3.9
|
1.3 | 7.5 | 7.14 | 2.3 | 2.05 | 1.7 | 1 | 1.06 |
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ST 4.2
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1.4 | 8.1 | 7.74 | 2.5 | 2.25 | 1.85 | 1.2 | 1.26 |
|
ST 4.8
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1.6 | 9.5 | 9.14 | 3 | 2.6 | 2.15 | 1.2 | 1.26 |
|
ST 5.5
|
1.8 | 10.8 | 10.37 | 3.4 | 2.95 | 2.45 | 1.6 | 1.66 |
|
ST 6.3
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1.8 | 12.4 | 11.97 | 3.8 | 3.45 | 2.85 | 1.6 | 1.66 |