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Countersunk head screw with hexagon socket
Countersunk head screw with hexagon socket - 1
Countersunk head screw with hexagon socket - 2
Countersunk head screw with hexagon socket - 3

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Countersunk head screw with hexagon socket

ISO 10642 A4-070 stainless steel, plain

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Available in 38 versions

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  • Due to their head geometry, countersunk head screws have a limited load capacity according to this standard and possibly do not meet tensile or torsional strength requirements.

  • The actual mechanical properties of the screw are unchanged and comply with ISO 3506-1

  • Depending on the type, these items are supplied with threading almost up to the head

  • Countersinks for screw heads in accordance with DIN 7991 and ISO 10642 must comply with DIN 74 shape F
Notice

DIN 7991 has been withdrawn and replaced by ISO 10642. There is some limited similarity (some head heights and head diameters changed | Nominal diameters M18, M22, M24 removed | Strength classes 10.9 and 12.9 added).



These screws can only be subjected to limited loads due to their head geometry, see DIN EN ISO 3506-1