oSIST prEN ISO 898-6:2010

SLOVENSKI STANDARD
01-maj-2010
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Mechanical properties of fasteners made of carbon steel and alloy steel - Part 6: Nuts
with specified proof load values - Fine pitch thread (ISO/DIS 898-6:2010)
Mechanische Eigenschaften von Verbindungselementen aus Kohlenstoffstahl und
legiertem Stahl - Teil 6: Muttern mit festgelegten Prüfkräften - Feingewinde (ISO/DIS 898
-6:2010)
Caractéristiques mécaniques des éléments de fixation en acier au carbone et en acier
allié - Partie 6: Écrous avec charges d'épreuve spécifiées - Filetages à pas fin (ISO/DIS
898-6:2010)
Ta slovenski standard je istoveten z: prEN ISO 898-6
ICS:
21.060.20 Matice Nuts
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
DRAFT
NORME EUROPÉENNE
EUROPÄISCHE NORM
January 2010
ICS 21.060.20 Will supersede EN ISO 898-6:1995
English Version
Mechanical properties of fasteners made of carbon steel and
alloy steel - Part 6: Nuts with specified proof load values - Fine
pitch thread (ISO/DIS 898-6:2010)
Caractéristiques mécaniques des éléments de fixation en Mechanische Eigenschaften von Verbindungselementen
acier au carbone et en acier allié - Partie 6: Écrous avec aus Kohlenstoffstahl und legiertem Stahl - Teil 6: Muttern
charges d'épreuve spécifiées - Filetages à pas fin (ISO/DIS mit festgelegten Prüfkräften - Feingewinde (ISO/DIS 898-
898-6:2010) 6:2010)
This draft European Standard is submitted to CEN members for parallel enquiry. It has been drawn up by the Technical Committee
CEN/TC 185.
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 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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland 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

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2010 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN ISO 898-6:2010: E
worldwide for CEN national Members.

Contents Page
Foreword .3

Foreword
This document (prEN ISO 898-6:2010) 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 DIN.
This document is currently submitted to the parallel Enquiry.
This document will supersede EN ISO 898-6:1995.
Endorsement notice
The text of ISO/DIS 898-6:2010 has been approved by CEN as a prEN ISO 898-6:2010 without any
modification.
DRAFT INTERNATIONAL STANDARD ISO/DIS 898-6
ISO/TC 2/SC 1 Secretariat: DIN
Voting begins on: Voting terminates on:
2010-01-14 2010-06-14
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION • МЕЖДУНАРОДНАЯ ОРГАНИЗАЦИЯ ПО СТАНДАРТИЗАЦИИ • ORGANISATION INTERNATIONALE DE NORMALISATION
Mechanical properties of fasteners made of carbon steel and
alloy steel —
Part 6:
Nuts with specified proof load values — Fine pitch thread
Caractéristiques mécaniques des éléments de fixation en acier au carbone et en acier allié —
Partie 6: Écrous avec charges d'épreuve spécifiées — Filetages à pas fin
[Revision of second edition (ISO 898-6:1994)]
ICS 21.060.20
ISO/CEN PARALLEL PROCESSING
This draft has been developed within the International Organization for Standardization (ISO), and
processed under the ISO-lead mode of collaboration as defined in the Vienna Agreement.
This draft is hereby submitted to the ISO member bodies and to the CEN member bodies for a parallel
five-month enquiry.
Should this draft be accepted, a final draft, established on the basis of comments received, will be
submitted to a parallel two-month approval vote in ISO and formal vote in CEN.
To expedite distribution, this document is circulated as received from the committee secretariat.
ISO Central Secretariat work of editing and text composition will be undertaken at publication
stage.
Pour accélérer la distribution, le présent document est distribué tel qu'il est parvenu du
secrétariat du comité. Le travail de rédaction et de composition de texte sera effectué au
Secrétariat central de l'ISO au stade de publication.
THIS DOCUMENT IS A DRAFT CIRCULATED 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 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 NATIONAL REGULATIONS.
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.
©
International Organization for Standardization, 2010

ISO/DIS 898-6
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ii ISO 2010 – All rights reserved

ISO/DIS 898-6
Contents Page
Foreword .v
1 Scope.1
2 Normative references.2
3 Symbols.2
4 Designation systems.3
4.1 Designation for nut styles .3
4.2 Designation for property classes .3
4.2.1 General.3
4.2.2 Regular nuts (style 1) and high nuts (style 2).3
4.2.3 Thin nuts (style 0).3
4.3 Range of nominal diameters in relation to nut style and property class .3
5 Design of bolt/nut assemblies .4
5.1 General.4
5.2 Bolt/nut combinations.4
6 Materials.4
7 Mechanical properties.5
8 Control.7
8.1 Manufacturer's control.7
8.2 Supplier's control.7
8.3 Purchaser's control.7
9 Test methods.7
9.1 Proof load test .7
9.1.1 General.7
9.1.2 Applicability.8
9.1.3 Apparatus.8
9.1.4 Testing device.8
9.1.5 Test procedure.9
9.1.6 Test results.10
9.1.7 Requirements.10
9.2 Hardness test.10
9.2.1 Applicability.10
9.2.2 Test methods.10
9.2.3 Test procedures.10
9.2.4 Requirements.11
9.3 Surface integrity test.11
10 Marking.11
10.1 General.11
10.2 Identification mark of the manufacturer.11
10.3 Marking of property classes.12
10.3.1 General.
...