Hexalobular socket raised countersunk (oval) head tapping screws Ingestion-build-95349 critical dimensions and tests necessary

critical dimensions and tests necessary to verify the compliance of the equipment with this standard

Central heating installers

a) colour inconstancy is the extent of change in the colour appearance of a single specimen

NOTE Extrapolation of test results to non-tested pumps is not described in this European Standard

7 fub × As1) according to BS EN 1993-1-8:2005 (Eurocode 3) and to obtain ductility predominantly by plastic elongation of the bolt for system HR according to EN 14399-3 or by plastic deformation of the engaged threads for system HV according to EN 14399-4

Hexalobular socket raised countersunk (oval) head tapping screws Ingestion-build-95349 critical dimensions and tests necessary1 Scope This International Standard specifies the characteristics of hexalobular socket raised countersunk (oval) head tapping screws with thread sizes from ST2,9 to ST6,3 inclusive. If, in special cases, specifications other than those listed in this International Standard are required, they can be selected from existing International Standards, for example ISO 1478, ISO 2702, ISO 4759 1.