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DIN EN ISO 1481 Standard Dimensions for Tapping screws, slotted pan head

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Technical History and International Equivalents of DIN EN ISO 1481

Equivalent standards: NF EN ISO 1481 UNI EN ISO 1481

Tapping screws, slotted pan head

This standard DIN EN ISO 1481 specifies the characteristics of slotted pan head tapping screws with thread sizes from ST 2,2 to ST 9,5 inclusive.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN EN ISO 1481
Publication date: 10/2011 Supersedes DIN 1481 08/1990
Ø
 P
dk min
 dk max
k min
 k max
t min
n nom
 y form C y form F
ST 2.2
 0.8 3.7 4 1.3 1.1 0.5
0.5
 2 1.6
ST 2.9
 1.1 5.3 5.6 1.8 1.6 0.7
0.8
 2.6 2.1
ST 3.5
 1.3 6.6 7 2.1 1.9 0.8
1
 3.2 2.5
ST 4.2
 1.4 7.6 8 2.4 2.2 1
1.2
 3.7 2.8
ST 4.8
 1.6 9.1 9.5 3 2.7 1.2
1.2
 4.3 3.2
ST 5.5
 1.8 10.6 11 3.2 2.9 1.3
1.6
 5 3.6
ST 6.3
 1.8 11.6 12 3.6 3.3 1.4
1.6
 6 3.6
ST 8 2.1 15.6 16 4.8 4.5 1.9 2 7.5 4.2
ST 9.5 2.1 19.5 20 6 5.7 2.4 2.5 8 4.2

DIN 1481 - commercial lengths
thread size ST 2.2 ST 2.9 ST 3.5 ST 4.2 ST 4.8 ST 5.5 ST 6.3 ST 8 ST 9.5
nominal length l
4.5 X
6.5 X X X
9.5 X X X X X
13 X X X X X X X
16 X X X X X X X X X
19 X X X X X X X X
22 X X X X X X X
25 X X X X X X
32 X X X X X
38 X X X
45 X X
50 X X

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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