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DIN EN ISO 14586 Standard Dimensions for Tapping screws, hexalobular socket countersunk head

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Technical History and International Equivalents of DIN EN ISO 14586

Equivalent standards: BS EN ISO 14586 UNI EN ISO 14586 ISO 14586 NF EN ISO 14586

This standard (DIN EN ISO 14586 and equivalents) specifies the characteristics of hexalobular socket countersunk head tapping screws with thread sizes from St2,9 to ST6,3 inclusive.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 14586

Publication date: 2010
d thread size P dk nom=max k nom=max
y
 Hexalobular socket
type C type F type R Socket Nr A ref t min t max
ST2.9 1.1 5.5 1.7 2.6 2.1 - 10 2.8 0.65 0.91
ST3.5 1.3 7.3 2.35 3.2 2.5 2.7 15 3.35 1 1.3
ST4.2 1.4 8.4 2.6 3.7 2.8 3.2 20 3.95 1.14 1.58
ST4.8 1.6 9.3 2.8 4.3 3.2 3.6 25 4.5 1.39 1.78
ST5.5 1.8 10.3 3 5 3.6 4.3 25 4.5 1.65 2.03
ST6.3 1.8 11.3 3.15 6 3.6 5 30 5.6 2.02 2.42

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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