Name: EN 4634:2009
Brand: CEN

Aerospace series - Screws, 100° countersunk head, six lobe recess, short thread, in heat resisting steel FE-PA2601 (A286), passivated - Classification: 900 MPa (at ambient temperature) / 650 °C

Published date

07-01-2009

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Required characteristics
  3.1 Configuration - Dimensions - Tolerances
      - Masses
  3.2 Materials
  3.3 Surface treatment
  3.4 Tolerances of form and position
4 Designation
5 Marking
6 Technical specification

This standard specifies the characteristics of screws with 100° countersunk head, with six lobes recess, short thread, in heat resisting steel FE-PA2601, passivated, for aerospace applications.

Committee	ASD-STAN
DevelopmentNote	Supersedes PREN 4634. (04/2011)
DocumentType	Standard
PublisherName	Comite Europeen de Normalisation
Status	Current
Supersedes	PREN 4634 : 200P1

Standards	Relationship
DIN EN 4634:2011-01	Identical
NBN EN 4634 : 2009	Identical
I.S. EN 4634:2009	Identical
NF EN 4634 : 2010	Identical
UNE-EN 4634:2009	Identical
PN EN 4634 : 2009	Identical
BS EN 4634:2009	Identical
SN EN 4634 : 2009	Identical
NEN EN 4634 : 2009	Identical
NS EN 4634 : 2009	Identical
UNI EN 4634 : 2010	Identical

ISO 5855-2:1999	Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts
EN 2516:1997	Aerospace series - Passivation of corrosion resisting steels and decontamination of nickel base alloys
EN 2399 : 2008	AEROSPACE SERIES - HEAT RESISTING STEEL FE-PA2601 (X4NICRTIMOV26-15) - R[M] >= 900 MPA - BARS FOR FORGED BOLTS - D <= 25 MM
PREN 3911 : 200P2	AEROSPACE SERIES - SIX LOBE RECESS - GEOMETRICAL DEFINITION
PREN 2576 : 200P2	AEROSPACE SERIES - BOLTS, MJ THREADS, IN HEAT RESISTING STEEL FE-PA2601 (A286) - CLASSIFICATION: 900 MPA (AT AMBIENT TEMPERATURE)/650 DEGREES C - TECHNICAL SPECIFICATION
EN 2424:2008	Aerospace series - Marking of aerospace products
TR 3775 : 4	AEROSPACE SERIES - BOLTS AND PINS - MATERIALS
ISO 3353-1:2002	Aerospace Lead and runout threads Part 1: Rolled external threads
ISO 7913:1994	Aerospace Bolts and screws, metric Tolerances of form and position
PREN 3639 : 200P1	AEROSPACE SERIES - HEAT RESISTING ALLOY FE-PA2601 - SOFTENED AND COLD WORKED - WIRE FOR FORGED FASTENERS - D <= 15 MM - 900 MPA <= R[M] <= 1100 MPA