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UNI 6954 Standard Dimensions for Tapping screws, cross recessed pan head

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This norm has been cancelled

Tapping screws, cross recessed  pan head

Dimensional Drawing and Technical Diagrams

1759_3749.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source UNI 6594Withdrawn
Publication date: 11 / 1978
Ø thread size
P
dk max
 dk min
k max
 k min recess nr.
Type H m ref.
Type Z m ref.
y type C
 y type F
2.2
0.8
 4.2 3.9 1.8 1.55 1 2.6 2.4
2
 1.6
2.9
1.1
 5.6 5.3 2.2 1.95 1 3 2.9
2.6
 2.1
3.5
1.3
 6.9 6.54 2.6 2.35 2 4.2 3.9
3.2
 2.5
3.9 1.4 7.5 7.14 2.8 2.55 2 4.4 4.1 3.5 2.7
4.2
1.4
 8.2 7.84 3.05 2.75 2 4.6 4.3
3.7
 2.8
4.8
1.6
 9.5 9.14 3.55 3.25 2 5 4.7 4.3 3.2
5.5
1.8
 10.8 10.37 3.95 3.65 3 6.5 6.2 5 3.6
6.3
1.8
 12.5 12.07 4.55 4.25 3 7.1 6.7 6 3.6

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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