BS EN 27721:1992
Current
The latest, up-to-date edition.
Countersunk head screws. Head configuration and gauging
Hardcopy , PDF
English
01-05-1992
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 |
FME/9
|
| DevelopmentNote |
Also numbered as ISO 7721 (10/2005) Reviewed and confirmed by BSI, January 2007. (12/2006)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Standards | Relationship |
| NF EN 27721 : 1992 | Identical |
| EN 27721:1991 | Identical |
| I.S. EN 27721:1992 | Identical |
| NBN EN 27721 : 1992 | Identical |
| UNE-EN 27721:1992 | Identical |
| DIN EN 27721:1992-02 | Identical |
| BS 7496-3:1991 | Cross-recessed tapping screws Specification for raised countersunk head screws |
| BS 7433-2:1991 | Cross recessed machine screws Specification for countersunk flat head screws product grade A and property class 4.8 only |
| BS EN ISO 7721-2:1995 | Countersunk flat head screws Penetration depth of cross recesses |
| BS 7496-2:1991 | Cross-recessed tapping screws Specification for countersunk flat head screws |
| BS 7433-3:1991 | Cross recessed machine screws Specification for raised countersunk head screws product grade A |
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