EN 4178:2009

SLOVENSKI STANDARD
01-januar-2010
Aeronavtika - Vijaki, valjasta glava, šestzoba vdolbina, široka toleranca, srednja
navojna dolžina, iz titanove zlitine, anodizirani, mazani z MoS2 - 1100 MPa (pri
temperaturi okolice)/315 °C
Aerospace series - Screws, pan head, six lobe recess, coarse tolerance normal shank,
medium length thread, in titanium alloy, anodized, MoS2 lubricated - 1100 MPa (at
ambient temperature)/315 °C
Luft- und Raumfahrt - Flachkopfschrauben mit Sechs-Bogenzahn; mit mittlerer
Gewindelänge, aus Titanlegierung, anodisiert, MoS2-geschmiert - 1100 MPa (bei
Raumtemperatur)/315 °C
Série aérospatiale - Vis à tête cylindrique, à empreinte six lobes, tige normale à
tolérance large, filetage moyen, en alliage de titane, anodisées, lubrifiées MoS2 - 1100
MPa (à température ambiante)/315 °C
Ta slovenski standard je istoveten z: EN 4178:2009
ICS:
49.030.10 Navoji Screw threads
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 4178
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2009
ICS 49.030.10
English Version
Aerospace series - Screws, pan head, six lobe recess, coarse
tolerance normal shank, medium length thread, in titanium alloy,
anodized, MoS2 lubricated - 1 100 MPa (at ambient
temperature) / 315 °C
Série aérospatiale - Vis à tête cylindrique, à empreinte six Luft- und Raumfahrt - Flachkopfschrauben mit Sechs-
lobes, tige normale à tolérance large, filetage moyen, en
Bogenzahn; mit mittlerer Gewindelänge, aus
alliage de titane, anodisées, lubrifiées MoS2 - 1 100 MPa (à Titanlegierung, anodisiert, MoS2-geschmiert - 1 100 MPa
température ambiante) / 315 °C (bei Raumtemperatur) / 315 °C
This European Standard was approved by CEN on 17 September 2009.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the
official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2009 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4178:2009: E
worldwide for CEN national Members.

Contents Page
Foreword .3
1 Scope .4
2 Normative references .4
3 Required characteristics .5
3.1 Configuration – Dimensions – Masses .5
3.2 Tolerances of form and position .5
3.3 Materials .5
3.4 Surface treatment .5
4 Designation .8
5 Marking .8
6 Technical specification .8

Foreword
This document (EN 4178:2009) has been prepared by the Aerospace and Defence Industries Association of
Europe - Standardization (ASD-STAN).
After enquiries and votes carried out in accordance with the rules of this Association, this Standard has
received the approval of the National Associations and the Official Services of the member countries of ASD,
prior to its presentation to CEN.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by May 2010, and conflicting national standards shall be withdrawn at the
latest by May 2010.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the follow
...