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NF E25-603 Standard Dimensions for Cross recessed pan head wood screws

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This norm has been cancelled

Wood Screws Round Head cross recess type Z - Symbol R Z

This standard specifies the characteristics of round head wood screws with cross recess Z, with nominal diameters of 2.5 to 6 mm.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source NF 25-603
Publication date: 05/1984
d thread size 2.5 3.0 3.5 4.0 4.5 5.0 6.0
ds max= nom 2.5 3 3.5 4 4.5 5 6
ds min 2.1 2.6 3.02 3.52 4.02 4.52 5.52
dk max 4.5 5.5 6.5 7 8 9 11
dk min 4.2 5.2 6.1 6.6 7.6 8.6 10.6
k min 1.95 2.25 2.25 2.75 3.2 3.8 4.3
k max 2.2 2.5 2.5 3 3.5 4 4.5
Cross recess nr 1 1 2 2 2 2 3
≈ m 3 3 4 4.3 4.5 5.3 6.2

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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