ISO 7048:2011
(Main)Cross-recessed cheese head screws
Cross-recessed cheese head screws
ISO 7048:2011 specifies the characteristics of cross-recessed cheese head screws of product grade A, with threads from M2,5 to M8 inclusive, and with cross recesses of types H and Z.
Vis à métaux à tête cylindrique à empreinte cruciforme
L'ISO 7048:2011 spécifie les caractéristiques des vis à métaux à tête cylindrique à empreinte cruciforme, de grade A, de diamètre de filetage M2,5 à M8 inclus et avec des empreintes cruciformes de types H et Z.
General Information
- Status
- Published
- Publication Date
- 31-Mar-2011
- Technical Committee
- ISO/TC 2/SC 11 - Fasteners with metric external thread
- Drafting Committee
- ISO/TC 2/SC 11 - Fasteners with metric external thread
- Current Stage
- 9093 - International Standard confirmed
- Start Date
- 29-Jun-2021
- Completion Date
- 13-Dec-2025
Relations
- Effective Date
- 06-Jun-2022
- Effective Date
- 10-Apr-2010
Overview
ISO 7048:2011 is an International Standard developed by the International Organization for Standardization (ISO) that specifies the characteristics of cross-recessed cheese head screws. These screws belong to product grade A, covering thread sizes from M2.5 to M8 inclusive. The standard defines the precise dimensions and properties of screws featuring cross recesses of types H and Z. The design of these screws ensures compatibility with specific tooling and mechanical demands in various industrial applications.
This standard replaces the earlier edition ISO 7048:1998 with minor revisions and is essential for manufacturers, engineers, and purchasers seeking consistency and quality in cheese head screws with cross recesses.
Key Topics
- Scope and Application: Specifies cross-recessed cheese head screws with threads ranging M2.5 to M8, product grade A, types H and Z cross recess.
- Dimensional Specifications: Detailed dimensions such as thread pitch, head height, head diameter, and recess penetration based on screw nominal size.
- Material and Mechanical Properties: Includes requirements for steel, stainless steel, and non-ferrous metal screws with defined property classes (e.g., 4.8 or A2-70).
- Tolerances and Thread Standards: Conformance to ISO 261 for metric screw threads and ISO 965-2 for size tolerances, ensuring interchangeability.
- Surface Finishes and Coatings: Electroplated coatings are specified in ISO 4042; additional zinc flake coatings as per ISO 10683; surface discontinuities are controlled per ISO 6157-1.
- Cross Recess Types: Defines two main types of cross recesses:
- Type H: Standard cross recess
- Type Z: Improved penetration and torque transmission
Applications
ISO 7048:2011 cross-recessed cheese head screws are widely used in manufacturing and assembly applications where secure fastening with high precision is required. Typical use cases include:
- Mechanical Engineering: Fastening components in machinery and equipment that demand reliable torque transmission and repeatable assembly.
- Electronics and Electrical Equipment: Compact screws for circuit boards and device enclosures where space and head profile are critical.
- Automotive Industry: Assembly of vehicle parts requiring standardized screws with consistent mechanical properties.
- Furniture and Fixtures: Durable fastening for metal and wooden components needing clean aesthetics due to the cheese head design.
- General Industrial Use: Anywhere a precise, robust cross-recessed screw is necessary for optimal fastening performance.
Related Standards
ISO 7048:2011 works in conjunction with the following related ISO standards:
- ISO 1207: Specifies slotted cheese head screws, which share identical head dimensions with ISO 7048 screws.
- ISO 261 & ISO 965-2: Define metric screw thread dimensions and tolerances that apply to the screws covered by ISO 7048.
- ISO 898-1 & ISO 3506-1: Outline mechanical properties for carbon steel/alloy and stainless steel fasteners, respectively.
- ISO 4757: Details specifications for cross recesses on screws.
- ISO 4042 & ISO 10683: Standards for electroplated and zinc flake coatings for corrosion resistance and surface protection.
- ISO 4759-1: Provides tolerance limits for fastener dimensions and product grades.
- ISO 3269: Acceptance inspection procedures for fasteners.
For special requirements not covered by ISO 7048, users can refer to the broader range of ISO fastener standards, ensuring compliance with industry best practices.
Keywords: ISO 7048, cross-recessed cheese head screws, cheese head screws, product grade A screws, ISO fastener standards, metric screws, thread size M2.5 to M8, cross recess type H, cross recess type Z, mechanical properties screws, ISO 1207, screw dimensions standards, electroplated coatings fasteners, zinc flake coatings screws, ISO technical committee.
Frequently Asked Questions
ISO 7048:2011 is a standard published by the International Organization for Standardization (ISO). Its full title is "Cross-recessed cheese head screws". This standard covers: ISO 7048:2011 specifies the characteristics of cross-recessed cheese head screws of product grade A, with threads from M2,5 to M8 inclusive, and with cross recesses of types H and Z.
ISO 7048:2011 specifies the characteristics of cross-recessed cheese head screws of product grade A, with threads from M2,5 to M8 inclusive, and with cross recesses of types H and Z.
ISO 7048:2011 is classified under the following ICS (International Classification for Standards) categories: 21.060.10 - Bolts, screws, studs. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 7048:2011 has the following relationships with other standards: It is inter standard links to ISO 22628:2002, ISO 7048:1998. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase ISO 7048:2011 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of ISO standards.
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 7048
Second edition
2011-04-01
Cross-recessed cheese head screws
Vis à métaux à tête cylindrique à empreinte cruciforme
Reference number
©
ISO 2011
© ISO 2011
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or
ISO's member body in the country of the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2011 – All rights reserved
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.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
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.
ISO 7048 was prepared by Technical Committee ISO/TC 2, Fasteners, Subcommittee SC 10, Product
standards for fasteners.
This second edition cancels and replaces the first edition (ISO 7048:1998), of which it constitutes a minor
revision.
INTERNATIONAL STANDARD ISO 7048:2011(E)
Cross-recessed cheese head screws
1 Scope
This International Standard specifies the characteristics of cross-recessed cheese head screws of product
grade A, with threads from M2,5 to M8 inclusive, and with cross recesses of types H and Z.
NOTE The head dimensions of these screws are identical to those of the slotted cheese head screws in ISO 1207.
If, in special cases, specifications others than those listed in this International Standard are required, they can
be selected from existing International Standards, for example ISO 261, ISO 888, ISO 898-1, ISO 965-2,
ISO 3506-1 and ISO 4759-1.
2 Normative references
The following referenced documents are indispensable for the application 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 225, Fasteners — Bolts, screws, studs and nuts — Symbols and descriptions of dimensions
ISO 261, ISO general purpose metric screw threads — General plan
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 965-2, ISO general purpose metric screw threads — Tolerances — Part 2: Limits of sizes for general
purpose external and internal screw threads — Medium quality
ISO 3269, Fasteners — Acceptance inspection
ISO 3506-1, Mechanical properties of corrosion-resistant stainless steel fasteners — Part 1: Bolts, screws and
studs
ISO 4042, Fasteners — Electroplated coatings
ISO 4757, Cross recesses for screws
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 8839, Mechanical properties of fasteners — Bolts, screws, studs and nuts made of non-ferrous metals
ISO 8992, Fasteners — General requirements for bolts, screws, studs and nuts
ISO 10683, Fasteners
...
NORME ISO
INTERNATIONALE 7048
Deuxième édition
2011-04-01
Vis à métaux à tête cylindrique à
empreinte cruciforme
Cross-recessed cheese head screws
Numéro de référence
©
ISO 2011
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2011
Droits de reproduction réservés. Sauf prescription différente, aucune partie de cette publication ne peut être reproduite ni utilisée sous
quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie et les microfilms, sans l'accord écrit
de l'ISO à l'adresse ci-après ou du comité membre de l'ISO dans le pays du demandeur.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Publié en Suisse
ii © ISO 2011 – Tous droits réservés
Avant-propos
L'ISO (Organisation internationale de normalisation) est une fédération mondiale d'organismes nationaux de
normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est en général confiée
aux comités techniques de l'ISO. Chaque comité membre intéressé par une étude a le droit de faire partie du
comité technique créé à cet effet. Les organisations internationales, gouvernementales et non
gouvernementales, en liaison avec l'ISO participent également aux travaux. L'ISO collabore étroitement avec
la Commission électrotechnique internationale (CEI) en ce qui concerne la normalisation électrotechnique.
Les Normes internationales sont rédigées conformément aux règles données dans les Directives ISO/CEI,
Partie 2.
La tâche principale des comités techniques est d'élaborer les Normes internationales. Les projets de Normes
internationales adoptés par les comités techniques sont soumis aux comités membres pour vote. Leur
publication comme Normes internationales requiert l'approbation de 75 % au moins des comités membres
votants.
L'attention est appelée sur le fait que certains des éléments du présent document peuvent faire l'objet de
droits de propriété intellectuelle ou de droits analogues. L'ISO ne saurait être tenue pour responsable de ne
pas avoir identifié de tels droits de propriété et averti de leur existence.
L'ISO 7048 a été élaborée par le comité technique ISO/TC 2, Éléments de fixation, sous-comité SC 10,
Normes de produits pour éléments de fixation.
Cette deuxième édition annule et remplace la première édition (ISO 7048:1998), dont elle constitue une
révision mineure.
NORME INTERNATIONALE ISO 7048:2011(F)
Vis à métaux à tête cylindrique à empreinte cruciforme
1 Domaine d'application
La présente Norme internationale spécifie les caractéristiques des vis à métaux à tête cylindrique à empreinte
cruciforme, de grade A, de diamètre de filetage M2,5 à M8 inclus et avec des empreintes cruciformes de
types H et Z.
NOTE Les dimensions de ces vis sont conformes à celles des vis à métaux à tête cylindrique fendue données dans
l'ISO 1207.
Si, dans des cas particuliers, des spécifications autres que celles figurant dans la présente Norme
internationale sont requises, elles peuvent être choisies dans les Normes internationales existantes, par
exemple l'ISO 261, l'ISO 888, l'ISO 898-1, l'ISO 965-2, l'ISO 3506-1 et l'ISO 4759-1.
2 Références normatives
Les documents de référence suivants sont indispensables pour l'application du présent document. Pour les
références datées, seule l'édition citée s'applique. Pour les références non datées, la dernière édition du
document de référence s'applique (y compris les éventuels amendements).
ISO 225, Éléments de fixation — Vis, goujons et écrous — Symboles et description des dimensions
ISO 261, Filetages métriques ISO pour usages généraux — Vue d'ensemble
ISO 898-1, Caractéristiques mécaniques des éléments de fixation en acier au carbone et en acier allié —
Partie 1: Vis, goujons et tiges filetés de classes de qualités spécifiées — Filetage à pas gros et filetages à pas
fin
ISO 965-2, Filetages métriques ISO pour usages généraux — Tolérances — Partie 2: Dimensions limites pour
filetages intérieurs et extérieurs d'usages généraux — Qualité moyenne
ISO 3269, Éléments de fixation — Contrôle de réception
ISO 3506-1, Caractéristiques mécaniques des éléments de fixation en acier inoxydable résistant à la
corrosion — Partie 1: Vis et goujons
ISO 4042, Élément de fixation — Revêtements électrolytiques
ISO 4757, Empreintes cruciformes pour vis
ISO 4759-1, Tolérances pour éléments de fixation — Partie 1: Vis, goujons et écrous — Grades A, B et C
ISO 6157-1, Éléments de fixation — Défauts de surface — Partie 1: Vis et goujons d'usage général
ISO 8839, Caractéristiques mécaniques des éléments de fixation — Vis, goujons et écrous en métaux non
ferreux
ISO 8992, Éléments de fixation — Exigences générales poour vis, goujons et écrous
ISO 10683, É
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