COUNTERSUNK HEAD SCREWS. HEAD CONFIGURATION AND GAUGING. (ISO 7721:1983).

Available format(s)

Hardcopy , PDF

Language(s)

Spanish, Castilian, English

Published date

12-10-1992

Publisher

Asociacion Espanola de Normalizacion

Cooperating organizations
National foreword
Foreword
Text of EN 27721 - no contents section
National annex NA (informative)

Describes the characteristics of head configurations of slotted and recessed countersunk head screws, and recommends a gauging method for the head dimensions lead down in the respective product standards.

Committee	CTN 17
DocumentType	Standard
Pages	8
PublisherName	Asociacion Espanola de Normalizacion
Status	Current

Standards	Relationship
NF EN 27721 : 1992	Identical
ISO 7721:1983	Identical
NBN EN 27721 : 1992	Identical
I.S. EN 27721:1992	Identical
UNI EN 27721 : 1992	Identical
BS EN 27721:1992	Identical
EN 27721 : 1991	Identical
DIN EN 27721:1992-02	Identical