DIN Standards Committee Firefighting and Fire Protection
DIN EN ISO 7050
Cross-recessed countersunk (flat) head tapping screws (ISO 7050:2011); German version EN ISO 7050:2011
Senk-Blechschrauben mit Kreuzschlitz (ISO 7050:2011); Deutsche Fassung EN ISO 7050:2011
Overview
This standard specifies the characteristics of cross-recessed countersunk flat head tapping screws with thread sizes from ST 2,2 to ST 9,5 inclusive. With respect to the previous edition, in addition to the editorial revision, the specifications regarding the finish have been concretised by supplementing non-electrolytically applied zinc flake coatings and passivation, and new materials and an additional thread end form have been added. This document (EN ISO 7050:2011) has been prepared by Technical Committee ISO/TC 2 "Fasteners", in collaboration with Technical Committee CEN/TC 185 "Fasteners" (secretariat: DIN, Germany). The responsible German committee is Working Committee NA 067-00-05 AA "Kleinschrauben und gewindeformende Schrauben" ("Miniature screws and thread forming screws") of the Fasteners Standards Committee (FMV).
Document: references other documents
Responsible national committee
NA 067-00-05 AA - Small screws and thread forming screws
