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CEN
EN 3905:2008

EN 3905:2008

Current

Current

The latest, up-to-date edition.

Aerospace series - Six lobe recesses for bolts - Technical specification

Published date

16-04-2008

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Qualification
4 Requirements
5 Apparatus
  5.1 Test block
  5.2 Nut

This standard specifies the characteristics and qualification requirements for six lobe recesses defined by EN 3911 for bolts. The requirements of this specification are additional to the requirements of the relevant bolt technical specification.

Committee
ASD-STAN
DevelopmentNote
Supersedes PREN 3905. (05/2008)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current
Supersedes

Standards Relationship
NBN EN 3905 : 2008 Identical
NF EN 3905 : 2008 Identical
NEN EN 3905 : 2008 Identical
NS EN 3905 : 1ED 2008 Identical
I.S. EN 3905:2008 Identical
PN EN 3905 : 2008 Identical
SN EN 3905 : 2008 Identical
UNI EN 3905 : 2008 Identical
UNE-EN 3905:2008 Identical
BS EN 3905:2008 Identical
DIN EN 3905:2008-12 Identical

I.S. EN 3911:2010 AEROSPACE SERIES - SIX LOBE RECESS - GEOMETRICAL DEFINITION
BS EN 3725:2004 Aerospace series. Screws, pan head, six lobe recess, normal shank, long thread, in titanium alloy TI-P64001, anodized, MoS<sub>2</sub> coated. Strength class: 1100 MPa (at ambient temperature)
I.S. EN 4323:2005 AEROSPACE SERIES - SCREWS, 100 DEGREE COUNTERSUNK HEAD, SIX LOBE RECESS, THREADED TO HEAD, IN TITANIUM ALLOY TI-P64001, ANODIZED, MOS[2] COATED - CLASSIFICATION: 900 MPA (AT AMBIENT TEMPERATURE)/350 DEGREE C
UNI EN 3911 : 2011 AEROSPACE SERIES - SIX LOBE RECESS - GEOMETRICAL DEFINITION
EN 3911:2010 Aerospace series - Six lobe recess - Geometrical definition
NF EN 3911 : 2011 AEROSPACE SERIES - SIX LOBE RECESS - GEOMETRICAL DEFINITION
BS EN 3911:2010 Aerospace series. Six lobe recess. Geometrical definition
PREN 3911 : 200P2 AEROSPACE SERIES - SIX LOBE RECESS - GEOMETRICAL DEFINITION

ISO 5855-2:1999 Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts
PREN 3911 : 200P2 AEROSPACE SERIES - SIX LOBE RECESS - GEOMETRICAL DEFINITION

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