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COUNTERSUNK HEAD SCREWS - HEAD CONFIGURATION AND GAUGING

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1992

Publisher

National Standards Authority of Ireland

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For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

Foreword
1 Scope and field of application
2 Head configuration
3 Gauging method
Annex Calculation basis for the maximum head diameter
of countersunk heads for screws

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

DocumentType	Standard
Pages	14
PublisherName	National Standards Authority of Ireland
Status	Current

Standards	Relationship
UNI EN 27721 : 1992	Identical
EN 27721 : 1991	Identical
UNE-EN 27721:1992	Identical
ISO 7721:1983	Identical
BS EN 27721:1992	Identical
DIN EN 27721:1992-02	Identical