BS EN ISO 10642:2019 - Fasteners. Hexagon socket countersunk head screws with reduced loadability

BS EN ISO 10642:2019

Fasteners. Hexagon socket countersunk head screws with reduced loadability

Status : Current   Published : October 2019



This document specifies the characteristics of hexagon socket countersunk head screws with reduced loadability due to head design, in steel and stainless steel, with metric coarse pitch threads M2 to M20, and with product grade A.


Other dimensional options are given in ISO 888, ISO 965-1 and ISO 4753.


The reduced loadability (related to the countersunk head dimensions in combination with penetration of the hexagon socket specified in this document) implies a limitation of ultimate tensile load; see Table 5.


Particular attention is needed to ensure alignment of the countersunk head with the bearing surface of the countersink in the assembly.

Standard NumberBS EN ISO 10642:2019
TitleFasteners. Hexagon socket countersunk head screws with reduced loadability
Publication Date29 October 2019
Normative References(Required to achieve compliance to this standard)ISO 6157-3, ISO 3269, ISO 3506-1, ISO 10683, ISO 8992, ISO 6157-1, ISO 4042, ISO 898-1, ISO 965-1, ISO 4759-1, ISO 1891-4, ISO 4753
Informative References(Provided for Information)ISO 16048, ISO 23429, ISO 7721, ISO 888, ISO 225, ISO/TR 20491
ReplacesBS EN ISO 10642:2004+A1:2012
International RelationshipsEN ISO 10642:2019,ISO 10642:2019
Draft Superseded By18/30364155 DC
DescriptorsThread pitch, Grades (quality), Screws (bolts), Threaded fasteners, Countersunk fasteners, Threads, Hexagonal-head fasteners, Dimensional tolerances, Fasteners, Dimensions, Socket-head fasteners, Heads (fasteners)
Title in FrenchFixations. Vis à tête fraisée à six pans creux à capacité de charge réduite
Title in GermanMechanische Verbindungselemente. Senkschrauben mit Innensechskant mit reduzierter Belastbarkeit
ISBN978 0 580 99422 7
File Size1.52 MB

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