SIST EN ISO 4018:2022
(Main)Fasteners - Hexagon head screws - Product grade C (ISO 4018:2022)
Fasteners - Hexagon head screws - Product grade C (ISO 4018:2022)
This document specifies the characteristics of hexagon head screws, in steel, with metric coarse pitch
threads M5 to M64, and with product grade C.
If in certain cases other specifications are requested, property classes can be selected from ISO 898-1,
and dimensional options from ISO 888 or ISO 4753.
Mechanische Verbindungselemente - Sechskantschrauben mit Gewinde bis Kopf - Produktklasse C (ISO 4018:2022)
Dieses Dokument legt Eigenschaften von Sechskantschrauben mit Gewinde bis Kopf aus Stahl mit metrischen Regelgewinden von M5 bis M64 und Produktklasse C fest.
Falls in bestimmten Fällen andere Festlegungen benötigt werden, können Festigkeitsklassen aus ISO 898 1 und maßliche Alternativen aus ISO 888 oder ISO 4753 entnommen werden.
Fixations - Vis à tête hexagonale entièrement filetées - Grade C (ISO 4018:2022)
Le présent document spécifie les caractéristiques des vis à tête hexagonale entièrement filetées, en acier, à filetage métrique à pas gros M5 à M64, et de grade C.
Si dans certains cas d’autres spécifications sont requises, les classes de qualité peuvent être choisies dans l'ISO 898‑1, et les options dimensionnelles dans l'ISO 888 ou l'ISO 4753.
Vezni elementi - Vijaki s šestrobo glavo z navojem do glave - Razred izdelave C (ISO 4018:2022)
Ta dokument določa značilnosti vijakov s šestrobo glavo z navojem do glave iz jekla, z grobim metričnim navojem
velikosti M5 do M64 in razredom izdelave C.
Če se v določenih primerih zahtevajo druge specifikacije, je razrede lastnosti mogoče izbrati po standardu ISO 898-1,
dimenzijske možnosti pa po ISO 888 ali ISO 4753.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN ISO 4018:2022
01-september-2022
Nadomešča:
SIST EN ISO 4018:2011
Vezni elementi - Vijaki s šestrobo glavo z navojem do glave - Razred izdelave C
(ISO 4018:2022)
Fasteners - Hexagon head screws - Product grade C (ISO 4018:2022)
Mechanische Verbindungselemente - Sechskantschrauben mit Gewinde bis Kopf -
Produktklasse C (ISO 4018:2022)
Fixations - Vis à tête hexagonale entièrement filetées - Grade C (ISO 4018:2022)
Ta slovenski standard je istoveten z: EN ISO 4018:2022
ICS:
21.060.10 Sorniki, vijaki, stebelni vijaki Bolts, screws, studs
SIST EN ISO 4018:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN ISO 4018:2022
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SIST EN ISO 4018:2022
EN ISO 4018
EUROPEAN STANDARD
NORME EUROPÉENNE
July 2022
EUROPÄISCHE NORM
ICS 21.060.10 Supersedes EN ISO 4018:2011
English Version
Fasteners - Hexagon head screws - Product grade C (ISO
4018:2022)
Fixations - Vis à tête hexagonale entièrement filetées - Mechanische Verbindungselemente -
Grade C (ISO 4018:2022) Sechskantschrauben mit Gewinde bis Kopf -
Produktklasse C (ISO 4018:2022)
This European Standard was approved by CEN on 25 September 2021.
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-CENELEC 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-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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 4018:2022 E
worldwide for CEN national Members.
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SIST EN ISO 4018:2022
EN ISO 4018:2022 (E)
Contents Page
European foreword . 3
2
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SIST EN ISO 4018:2022
EN ISO 4018:2022 (E)
European foreword
This document (EN ISO 4018:2022) has been prepared by Technical Committee ISO/TC 2 "Fasteners" in
collaboration with Technical Committee CEN/TC 185 “Fasteners” the secretariat of which is held by BSI.
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 January 2023, and conflicting national standards shall
be withdrawn at the latest by January 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 4018:2011.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: 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 the
United Kingdom.
Endorsement notice
The text of ISO 4018:2022 has been approved by CEN as EN ISO 4018:2022 without any modification.
3
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SIST EN ISO 4018:2022
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SIST EN ISO 4018:2022
INTERNATIONAL ISO
STANDARD 4018
Fifth edition
2022-06
Fasteners — Hexagon head screws —
Product grade C
Fixations — Vis à tête hexagonale entièrement filetées — Grade C
Reference number
ISO 4018:2022(E)
© ISO 2022
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SIST EN ISO 4018:2022
ISO 4018:2022(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2022
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
© ISO 2022 – All rights reserved
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SIST EN ISO 4018:2022
ISO 4018:2022(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Dimensions .2
5 Requirements and reference International Standards . 6
6 Marking and labelling . 6
6.1 Marking on product . . 6
6.2 Labelling on package . 6
7 Designation . 7
Bibliography . 8
iii
© ISO 2022 – All rights reserved
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SIST EN ISO 4018:2022
ISO 4018:2022(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 2, Fasteners, Subcommittee SC 11,
Fasteners with metric external thread, in collaboration with the European Committee for Standardization
(CEN) Technical Committee CEN/TC 185, Fasteners, in accordance with the Agreement on technical
cooperation between ISO and CEN (Vienna Agreement).
This fifth edition cancels and replaces the fourth edition (ISO 4018:2011), which has been technically
revised.
The main changes are as follows:
— the permissible shapes for free formed head and indentation on the head have been added;
— tables for dimensions have been restructured;
— M7 has been added;
— d has been changed for M5 from s – IT16 to s – IT15 (as for hexagon head screws of product
w,min min min
grades A and B) in order to have a larger bearing surface area and thus less contact pressure;
— the rules for the shortest and greatest standard lengths have been
...
SLOVENSKI STANDARD
oSIST prEN ISO 4018:2020
01-september-2020
Vijaki s šestrobo glavo z navojem do glave - Razred izdelave C (ISO/DIS 4018:2020)
Hexagon head screws - Product grade C (ISO/DIS 4018:2020)
Sechskantschrauben mit Gewinde bis Kopf - Produktklasse C (ISO/DIS 4018:2020)
Vis à tête hexagonale entièrement filetées - Grade C (ISO/DIS 4018:2020)
Ta slovenski standard je istoveten z: prEN ISO 4018
ICS:
21.060.10 Sorniki, vijaki, stebelni vijaki Bolts, screws, studs
oSIST prEN ISO 4018:2020 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN ISO 4018:2020
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oSIST prEN ISO 4018:2020
DRAFT INTERNATIONAL STANDARD
ISO/DIS 4018
ISO/TC 2/SC 11 Secretariat: DIN
Voting begins on: Voting terminates on:
2020-06-24 2020-09-16
Hexagon head screws — Product grade C
Vis à tête hexagonale entièrement filetées — Grade C
ICS: 21.060.10
IMPORTANT — Please use this updated version dated 2020-05-04, and
discard any previous versions of this DIS.
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
ISO/CEN PARALLEL PROCESSING
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 4018:2020(E)
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. ISO 2020
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oSIST prEN ISO 4018:2020
ISO/DIS 4018:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
---------------------- Page: 4 ----------------------
oSIST prEN ISO 4018:2020
ISO/DIS 4018:2020 (E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national
standards bodies (ISO member bodies). The work of preparing International Standards is normally
carried out through ISO technical committees. Each member body interested in a subject for which a
technical committee has been established has the right to be represented on that committee.
International organizations, governmental and non-governmental, in liaison with ISO, also take part in
the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all
matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 2, Fasteners, Subcommittee SC 11,
Fasteners with metric external thread.
This fifth edition cancels and replaces the fourth edition (ISO 4018:2011), which has been technically
revised.
The main changes compared to the previous edition are as follows:
— M7 has been added;
— tables for dimensions have been restructured;
— d has been changed for M5 from s – IT16 to s – IT15, as for hexagon head screws of
w,min min min
product grades A and B;
— standard smallest length has been corrected by deleting l = 120 mm for M64;
nom
— standard greatest lengths (accidentally removed in the fourth edition for M10 and above) have
been restored (greatest lengths l = 10d or 200 mm whichever is the shorter);
nom
— specifications for marking and labelling were added as Clause 6.
Any feedback or questions on this document should be directed to the user's national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
© ISO 2020 – All rights reserved iii
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oSIST prEN ISO 4018:2020
ISO/DIS 4018:2020 (E)
Hexagon head screws — Product grade C
1 Scope
This document specifies the characteristics of hexagon head screws, in steel, with metric coarse pitch
threads M5 to M64, and with product grade C.
NOTE If in certain cases other specifications are requested, property classes can be selected from ISO 898-1,
and dimensional options from ISO 888 or ISO 4753.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 898-1, Mechanical properties of fasteners made of carbon steel and alloy steel — Part 1: Bolts, screws
and studs with specified property classes — Coarse thread and fine pitch thread
ISO 965-1, ISO general-purpose metric screw threads — Tolerances — Part 1: Principles and basic data
ISO 1891-4, Fasteners — Vocabulary — Part 4: Control, inspection, delivery, acceptance and quality
ISO 3269, Fasteners — Acceptance inspection
ISO 4042, Fasteners — Electroplated coating systems
ISO 4753, Fasteners — Ends of parts with external ISO metric thread
ISO 4759-1, Tolerances for fasteners — Part 1: Bolts, screws, studs and nuts — Product grades A, B and C
ISO 6157-1, Fasteners — Surface discontinuities — Part 1: Bolts, screws and studs for general
requirements
ISO 8992, Fasteners — General requirements for bolts, screws, studs and nuts
ISO 10683, Fasteners — Non-electrolytically applied zinc flake coating systems
ISO 10684, Fasteners — Hot dip galvanised coatings
3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at http://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
© ISO 2020 – All rights reserved 1
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oSIST prEN ISO 4018:2020
ISO/DIS 4018:2020 (E)
4 Dimensions
Dimensions shall be in accordance with Figures 1 and 2 and with Tables 1 to 3.
Symbols and descriptions of dimensions are defined in ISO 225.
Key
a
Thread end at the discretion of the manufacturer, in accordance with ISO 4753.
b
Incomplete thread u ≤ 2P.
...
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