prEN 2897

SLOVENSKI STANDARD
01-marec-2026
Aeronavtika - Vijak, valjasta glava, križna zareza, ozka toleranca, kratek navoj, iz
legiranega jekla, kadmirani - Klasifikacija: 1100 MPa (pri temperaturi okolice)/235
°C
Aerospace series - Screw, pan head, offset cruciform recess, close tolerance normal
shank, short thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at
ambient temperature)/235 °C
Luft- und Raumfahrt - Flachkopf-Passschrauben mit Flügelkreuzschlitz kurzes Gewinde,
aus legiertem Stahl, verkadmet - Klasse: 1100 MPa (bei Raumtemperatur)/235 °C
Série aérospatiale - Vis à tête cylindrique, à empreinte cruciforme déportée, tige normale
à tolérance serrée, filetage court, en acier allié, cadmiées - Classification: 1 100 MPa (à
température ambiante)/235 °C
Ta slovenski standard je istoveten z: prEN 2897
ICS:
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
January 2026
ICS 49.030.20 Will supersede EN 2897:1996
English Version
Aerospace series - Screw, pan head, offset cruciform
recess, close tolerance normal shank, short thread, in alloy
steel, cadmium plated - Classification: 1 100 MPa (at
ambient temperature)/235 °C
Série aérospatiale - Vis à tête cylindrique, à empreinte Luft- und Raumfahrt - Flachkopf-Passschrauben mit
cruciforme déportée, tige normale à tolérance serrée, Flügelkreuzschlitz kurzes Gewinde, aus legiertem
filetage court, en acier allié, cadmiées - Classification: 1 Stahl, verkadmet - Klasse: 1100 MPa (bei
100 MPa (à température ambiante)/235 °C Raumtemperatur)/235 °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
© 2026 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 2897:2026 E
worldwide for CEN national Members.

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

European foreword
This document (prEN 2897:2026) has been prepared by ASD-STAN.
After enquiries and votes carried out in accordance with the rules of this Association, this document has
received the approval of the National Associations and the Official Services of the member countries of
ASD-STAN, prior to its presentation to CEN.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 2897:1996.
This document includes the following significant technical changes with respect to EN 2897:1996:
— Figure 1 updated;
— Table 1, D tolerance for Diameter code 030 corrected;
— Table 3, Drive changed from ISO 7994 to ISO 14275 and ISO 14276;
— Table 4 “Coating code” added;
— Clause 7 “Technical specification” updated.
1 Scope
This document specifies the characteristics of screws
...