SIST EN ISO 4042:2022/A1:2026
(Amendment)Fasteners - Electroplated coating systems - Amendment 1 (ISO 4042:2022/Amd 1:2026)
Fasteners - Electroplated coating systems - Amendment 1 (ISO 4042:2022/Amd 1:2026)
Verbindungselemente - Galvanisch aufgebrachte Überzugsysteme - Änderung 1 (ISO 4042:2022/Amd 1:2026)
Fixations - Systèmes de revêtements électrolytiques - Amendement 1 (ISO 4042:2022/Amd 1:2026)
Vezni elementi - Sistemi galvanskih prevlek veznih elementov - Dopolnilo A1 (ISO 4042:2022/Amd 1:2026)
General Information
- Status
- Published
- Public Enquiry End Date
- 30-Jul-2025
- Publication Date
- 06-May-2026
- Technical Committee
- ISEL - Mechanical elements
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 17-Apr-2026
- Due Date
- 22-Jun-2026
- Completion Date
- 07-May-2026
Relations
- Effective Date
- 02-Apr-2025
Overview
SIST EN ISO 4042:2022/A1:2026 is an amendment to the internationally recognized ISO 4042:2022 standard, developed by CEN, that addresses electroplated coating systems for fasteners. This amendment introduces updated technical provisions, particularly focusing on zinc-nickel (ZnNi) coating systems, which are critical for providing corrosion protection in industrial, mechanical, and construction applications.
By establishing common requirements for electroplated coatings on fasteners, this standard ensures quality, performance, and compatibility in European and global markets. The document is relevant for manufacturers, users, and regulatory bodies involved with metallic fasteners and their surface treatments.
Key Topics
- Electroplated coating requirements: The amendment specifies criteria for a range of metallic coatings applied to fasteners, focusing on functional performance and surface protection.
- Zinc-nickel (ZnNi) passivation: An important revision in this amendment is the addition of transparent passivation as an alternative to iridescent (silver grey) passivation for ZnNi coatings. Transparent passivation can deliver an equivalent level of corrosion protection, even with reduced layer thickness.
- Neutral salt spray (NSS) test: The standard highlights the use of the NSS test for assessing the corrosion resistance of zinc-based electroplated coatings, supporting the quality assurance of finished fasteners.
- Technical footnotes: The amendment adds technical clarifications via footnotes in the relevant tables to guide users on permitted coating systems.
Applications
SIST EN ISO 4042:2022/A1:2026 is instrumental for a variety of sectors that depend on the durability and reliability of coated fasteners, including:
- Automotive industry: Ensuring corrosion resistance and extended service life for bolts, screws, and nuts in vehicles.
- Construction and civil engineering: Maintaining integrity of metallic fasteners in buildings, infrastructure, and steel structures.
- Machinery and equipment manufacturing: Improving operational reliability by minimizing corrosion-related failures.
- Aerospace and defense: Meeting stringent requirements for surface coatings to withstand harsh environments.
By aligning production and inspection practices with the standard, stakeholders ensure fasteners meet consistent quality benchmarks, enhance product longevity, and comply with applicable regulations and client specifications.
Related Standards
Users of SIST EN ISO 4042:2022/A1:2026 may also reference the following relevant standards:
- ISO 4042:2022: The base standard for electroplated coating systems for fasteners.
- EN ISO 10683: Specifies non-electrolytically applied zinc flake coatings on fasteners.
- ISO 9227: Provides methods for conducting salt spray tests to evaluate corrosion resistance.
- ISO 898 series: Relates to mechanical properties of fasteners.
These related standards complement EN ISO 4042 by providing additional guidance on testing, performance, and coating application for fasteners across various industries.
By adopting SIST EN ISO 4042:2022/A1:2026, organizations benefit from improved durability and performance of coated fasteners, simplified international trade, and enhanced customer confidence in metallic joint assemblies. This amendment is a key resource for those aiming to implement state-of-the-art fastener coating technologies aligned with the latest international best practices.
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DVS-ZERT GmbH
German welding certification society.
CARES (UK Certification Authority for Reinforcing Steels)
UK certification for reinforcing steels and construction.
EWF/IIW (European/International Welding Federation)
International welding personnel certification.
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Frequently Asked Questions
SIST EN ISO 4042:2022/A1:2026 is a amendment published by the Slovenian Institute for Standardization (SIST). Its full title is "Fasteners - Electroplated coating systems - Amendment 1 (ISO 4042:2022/Amd 1:2026)". This standard covers: Fasteners - Electroplated coating systems - Amendment 1 (ISO 4042:2022/Amd 1:2026)
Fasteners - Electroplated coating systems - Amendment 1 (ISO 4042:2022/Amd 1:2026)
SIST EN ISO 4042:2022/A1:2026 is classified under the following ICS (International Classification for Standards) categories: 21.060.01 - Fasteners in general; 25.220.40 - Metallic coatings. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN ISO 4042:2022/A1:2026 has the following relationships with other standards: It is inter standard links to SIST EN ISO 4042:2022. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN ISO 4042:2022/A1:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-junij-2026
Vezni elementi - Sistemi galvanskih prevlek veznih elementov - Dopolnilo A1 (ISO
4042:2022/Amd 1:2026)
Fasteners - Electroplated coating systems - Amendment 1 (ISO 4042:2022/Amd 1:2026)
Verbindungselemente - Galvanisch aufgebrachte Überzugsysteme - Änderung 1 (ISO
4042:2022/Amd 1:2026)
Fixations - Systèmes de revêtements électrolytiques - Amendement 1 (ISO
4042:2022/Amd 1:2026)
Ta slovenski standard je istoveten z: EN ISO 4042:2022/A1:2026
ICS:
21.060.01 Vezni elementi na splošno Fasteners in general
25.220.40 Kovinske prevleke Metallic coatings
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 4042:2022/A1
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2026
EUROPÄISCHE NORM
ICS 21.060.01
English Version
Fasteners - Electroplated coating systems - Amendment 1
(ISO 4042:2022/Amd 1:2026)
Fixations - Systèmes de revêtements électrolytiques - Verbindungselemente - Galvanisch aufgebrachte
Amendement 1 (ISO 4042:2022/Amd 1:2026) Überzugsysteme - Änderung 1 (ISO 4042:2022/Amd
1:2026)
This amendment A1 modifies the European Standard EN ISO 4042:2022; it was approved by CEN on 26 September 2025.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of
this amendment into the relevant 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 amendment 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
© 2026 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 4042:2022/A1:2026 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 4042:2022/A1:2026) 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 Amendment to the European Standard EN ISO 4042:2022 shall be given the status of a national
standard, either by publication of an identical text or by endorsement, at the latest by October 2026,
and conflicting national standards shall be withdrawn at the latest by October 2026.
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.
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 4042:2022/Amd 1:2026 has been approved by CEN as EN ISO 4042:2022/A1:2026
...
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