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NF E25-604 Standard Dimensions for Slotted flat head wood screws

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This norm has been cancelled

Slotted countersunk (flat) head wood screws.

This standard indicates the characteristics of slotted countersunk head wood screws with nominal diameters of 1.6 to 8 mm.

Dimensional Drawing and Technical Diagrams

1516_FWhF5c_nf-e25-604.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source NF E25-604 Withdrawn

Publication date: 05-1984
thread size

P

Pitch

 d1 min d1 max dk min dk max
k max
t min
 t max n min
n max
1.6 0.8 1.2 1.6 2.7 3 0.9 0.32 0.5 0.46 0.6
2 1 1.6 2 3.5 3.8 1.1 0.4 0.6 0.56 0.7
2.5
 1.25 2.1 2.5 4.4 4.7 1.5 0.5 0.75 0.66 0.8
3
 1.5 2.6 3 5.2 5.5 1.65 0.6 0.85 0.86 1
3.5
 1.5 3.02 3.5 6.9 7.3 2.35 0.9 1.2 1.06 1.2
4
 1.75 3.52 4 8 8.4 2.7 1 1.3 1.26 1.51
4.5
 2 4.02 4.5 8.5 8.9 2.7 1 1.3 1.26 1.51
5
 2 4.52 5 8.9 9.3 2.7 1.1 1.4 1.26 1.51
6
 2.5 5.52 6 10.9 11.3 3.3 1.2 1.6 1.66 1.91
7 3 6.42 7 12.6 13 3.6 1.6 2 2.06 2.31
8
 3.5 7.42 8 15.4 15.8 4.65 1.8 2.3 2.06 2.31

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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