prEN 3381

SLOVENSKI STANDARD
01-september-2023
Aeronavtika - Vijaki, 100° ugreznjena glava, križna zareza, polno steblo, ozka
toleranca, kratek navoj, iz titanove zlitine, anodizirane, mazane z MoS2 -
Klasifikacija: 1100 MPa (pri temperaturi okolice)/315 °C
Aerospace series - Screws, 100° countersunk normal head, offset cruciform recess,
close tolerance normal shank, short thread, in titanium alloy, anodized, MOS2 lubricated
- Classification: 1 100 MPa (at ambient temperature) / 315 °C
Luft- und Raumfahrt - 100° Senk-Paβschraube mit Flügelkreuzschlitz, kurzes Gewinde,
aus Titan, anodisiert, MOS2-geschmiert - Klasse: 1 100 MPa (bei Raumtemperatur) /
315 °C
Série aérospatiale - Vis à tête fraisée 100° normale, à empreinte cruciforme déportée,
tige normale à tolérance serrée, filetage court, en alliage de titane, anodisée, lubrifiée au
MoS2 - Classification : 1 100 MPa (à température ambiante)/315 °C
Ta slovenski standard je istoveten z: prEN 3381
ICS:
21.060.10 Sorniki, vijaki, stebelni vijaki Bolts, screws, studs
49.030.20 Sorniki, vijaki, stebelni vijaki Bolts, screws, studs
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2023
ICS 49.030.20 Will supersede EN 3381:1996
English Version
Aerospace series - Screws, 100° countersunk normal head,
offset cruciform recess, close tolerance normal shank,
short thread, in titanium alloy, anodized, MOS2 lubricated
- Classification: 1 100 MPa (at ambient temperature) / 315
°C
Série aérospatiale - Vis à tête fraisée 100° normale, à Luft- und Raumfahrt - 100° Senk-Paßschraube mit
empreinte cruciforme déportée, tige normale à Flügelkreuzschlitz, kurzes Gewinde, aus Titan,
tolérance serrée, filetage court, en titane, anodisées, anodisiert, MOS2-geschmiert - Klasse: 1 100 MPa (bei
lubrifiées MoS2 - Classification: 1 100 MPa (à Raumtemperatur) / 315 °C
température ambiante) / 315 °C
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee ASD-
STAN.
If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 3381:2023 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 5
4 Required characteristics . 5
4.1 Configuration – Dimensions – Masses . 5
4.2 Tolerances of form and position . 5
4.3 Materials . 5
4.4 Surface treatment . 6
5 Designation . 9
6 Marking . 9
7 Technical specification . 9
7.1 General. 9
7.2 Approval of manufacturers . 10
7.3 Qualification of screws . 10
7.4 Requirements deleted . 10
8 Oversized bolts . 10
Bibliography . 11

European foreword
This document (prEN 3381:2023) has been prepared by the Aerospace and Defence Industries
Association of Europe — Standardization (ASD-STAN).
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 3381:1996.
The main changes compared to the previous edition are as follows:
a) normative references updated;
b) Clause 3 “Terms and definitions” added;
c) Table 3 “Drive codes” updated;
d) Clause 7 “Technical specification” modified;
e) Bibliography added;
f) document editorially revised.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
1 Scope
This document specifies the characteristics of screws, 100° countersunk normal head, offset cruciform
recess, close tolerance no
...