NA 031
DIN Standards Committee Firefighting and Fire Protection
Standards
[CURRENT]
DIN EN 27721
DIN EN 27721
Countersunk head screws; head configuration and gauging (ISO 7721:1983); german version EN 27721:1991
Title (German)
Senkschrauben; Gestaltung und Prüfung von Senkköpfen (ISO 7721:1983); Deutsche Fassung EN 27721:1991
Document: referenced in other documents
Responsible national committee
NA 067-00-02 AA - Fasteners with metric external thread