1、April 2013 Translation by DIN-Sprachendienst.English price group 8No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 2
2、1.060.20!$LC“1974132www.din.deDDIN EN ISO 7042Prevailing torque type all-metal hexagon high nuts Property classes 5, 8, 10 and 12 (ISO 7042:2012);English version EN ISO 7042:2012,English translation of DIN EN ISO 7042:2013-04Hohe Sechskantmuttern mit Klemmteil (Ganzmetallmuttern) Festigkeitsklassen
3、5, 8, 10 und 12 (ISO 7042:2012);Englische Fassung EN ISO 7042:2012,Englische bersetzung von DIN EN ISO 7042:2013-04crous hexagonaux hauts autofreins tout mtal Classes de qualit 5, 8, 10 et 12 (ISO 7042:2012);Version anglaise EN ISO 7042:2012,Traduction anglaise de DIN EN ISO 7042:2013-04SupersedesDI
4、N EN ISO 7042:1998-02www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 11 pages03.13 DIN EN ISO 7042:2013-04 2 A comma is used as the decimal marker. National foreword This document (EN ISO 7042:2012) has been prepared by Technical Commit
5、tee ISO/TC 2 “Fasteners” in collaboration with Technical Committee CEN/TC 185 “Fasteners” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was the Normenausschuss Mechanische Verbindungselemente (Fasteners Standards Committee), Working Committee NA 067-00-03 AA Ve
6、rbindungs-elemente mit metrischem Innengewinde. The DIN 4000-161-2 tabular layout of article characteristics shall apply to nuts covered in this standard. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 225 DIN EN ISO 225 ISO 261 DIN IS
7、O 261 ISO 724 DIN ISO 724 ISO 898-2 DIN EN ISO 898-2 ISO 965-2 DIN ISO 965-2 ISO 2320 DIN EN ISO 2320 ISO 3269 DIN EN ISO 3269 ISO 4033 DIN EN ISO 4033 ISO 4042 DIN EN ISO 4042 ISO 4759-1 DIN EN ISO 4759-1 ISO 6157-2 DIN EN ISO 6157-2 ISO 8992 DIN ISO 8992 ISO 10683 DIN EN ISO 10683 ISO 10684 DIN EN
8、 ISO 10684 Amendments This standard differs from DIN EN ISO 7042:1998-02 as follows: a) normative references are now undated; b) the letter symbol d has been replaced by D (in accordance with DIN EN ISO 225 and DIN ISO 724); c) in Table 1, the value of hmaxhas been increased for M12; d) in Table 1,
9、the number of decimal places has been unified; e) in Table 2, requirements for zinc flake coatings have been added; f) Table 2 has been brought in line with the new edition of DIN EN ISO 898-2; g) in Clause 5, the designation has been harmonized with the original ISO document; h) the standard has be
10、en editorially revised and normative references have been updated. Previous editions DIN 980: 1972-12, 1987-05 DIN 6925: 1983-11, 1987-07 DIN EN ISO 7042: 1998-02 DIN EN ISO 7042:2013-04 3 National Annex NA (informative) Bibliography DIN 4000-161, Tabular layout of product properties Part 161: Faste
11、ners with internal thread DIN EN ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and descriptions of dimensions DIN EN ISO 898-2, Mechanical properties of fasteners made of carbon steel and alloy steel Part 2: Nuts with specified property classes Coarse thread and fine pitch DIN EN ISO 2320
12、, Prevailing torque type steel nuts Mechanical and performance properties DIN EN ISO 3269, Fasteners Acceptance inspection DIN EN ISO 4033, Hexagon nuts, style 2 Product grades A and B DIN EN ISO 4042, Fasteners Electroplated coatings DIN EN ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws
13、, studs and nuts Product grades A, B and C DIN EN ISO 6157-2, Fasteners Surface discontinuities Part 2: Nuts DIN EN ISO 10683, Fasteners Non-electrolytically applied zinc flake coatings DIN EN ISO 10684, Fasteners Hot dip galvanized coatings DIN ISO 261, ISO general purpose metric screw threads Gene
14、ral plan DIN ISO 724, ISO general purpose metric screw threads Basic dimensions DIN 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 DIN ISO 8992, Fasteners General requirements for bolts, sc
15、rews, studs and nuts DIN EN ISO 7042:2013-04 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 7042 December 2012 ICS 21.060.20 Supersedes EN ISO 7042:1997English Version Prevailing torque type all-metal hexagon high nuts - Property classes 5, 8, 10 and 12 (
16、ISO 7042:2012) crous hexagonaux hauts autofreins tout mtal - Classes de qualit 5, 8, 10 et 12 (ISO 7042:2012) Hohe Sechskantmuttern mit Klemmteil (Ganzmetallmuttern) - Festigkeitsklassen 5, 8, 10 und 12 (ISO 7042:2012) This European Standard was approved by CEN on 3 December 2012. CEN members are bo
17、und 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
18、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
19、 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
20、 Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 201
21、2 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 7042:2012: EContents PageForeword .1 Scope 2 Normative references .3 Dimensions .4 Requirements and reference International Standards 5 Designation .Bibliography .3445662DIN EN
22、ISO 7042:2013-04 EN ISO 7042:2012 (E) 7Foreword This document (EN ISO 7042:2012) has been prepared by Technical Committee ISO/TC 2 in collaboration with Technical Committee CEN/TC 185 “Fasteners” the secretariat of which is held by DIN. This European Standard shall be given the status of a national
23、standard, either by publication of an identical text or by endorsement, at the latest by June 2013, and conflicting national standards shall be withdrawn at the latest by June 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.
24、CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 7042:1997. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard:
25、 Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
26、Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 7042:2012 has been approved by CEN as a EN ISO 7042:2012 without any modification. “Fasteners”3DIN EN ISO 7042:2013-04 EN ISO 7042:2012 (E) 1 ScopeThis International Standard specifies the characteristics of preva
27、iling torque type all-metal hexagon high nuts, with threads from M5 up to and including M36, in product grade A for threads up to and including M16 and product grade B for threads above M16, and with property classes 5, 8, 10 and 12.NOTE 1 The dimensions of the nuts with the exception of the dimensi
28、ons mwand hmaxcorrespond to those given in ISO 4033.NOTE 2 Nuts of property class 9 are dealt with in ISO 7720.If other specifications are required, they can be selected from existing International Standards, for example ISO 261, ISO 724, ISO 898-2, ISO 965-2, ISO 2320 and ISO 4759-1.2 Normative ref
29、erencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable to its application. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 225, Fasteners Bolts, screws, studs and nuts Symbols
30、 and descriptions of dimensionsISO 261, ISO general purpose metric screw threads General planISO 724, ISO general-purpose metric screw threads Basic dimensionsISO 898-2, Mechanical properties of fasteners made of carbon steel and alloy steel Part 2: Nuts with specified property classes Coarse thread
31、 and fine pitch threadISO 965-2, ISO general purpose metric screw threads Tolerances Part 2: Limits of sizes for general purpose external and internal screw threads Medium qualityISO 2320, Prevailing torque type steel nuts Mechanical and performance propertiesISO 3269, Fasteners Acceptance inspectio
32、nISO 4042, Fasteners Electroplated coatingsISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product grades A, B and CISO 6157-2, Fasteners Surface discontinuities Part 2: NutsISO 8992, Fasteners General requirements for bolts, screws, studs and nutsISO 10683, Fasteners Non-
33、electrolytically applied zinc flake coatingsISO 10684, Fasteners Hot dip galvanized coatings4DIN EN ISO 7042:2013-04 EN ISO 7042:2012 (E) 3 DimensionsSee Figure 1 and Table 1Symbols and descriptions of dimensions are specified in ISO 225.aPrevailing torque element, shape at the discretion of the man
34、ufacturer.b = 15 to 30.c = 90 to 120.Figure 1Table 1 DimensionsDimensions in millimetresThread DM5 M6 M8 M10 M12 (M14)aM16 M20 M24 M30 M36Pb0,8 1 1,25 1,5 1,75 2 2 2,5 3 3,5 4damax. 5,75 6,75 8,75 10,80 13,00 15,10 17,30 21,60 25,90 32,40 38,90min. 5,00 6,00 8,00 10,00 12,00 14,00 16,00 20,00 24,00
35、30,00 36,00dwmin. 6,88 8,88 11,63 14,63 16,63 19,64 22,49 27,70 33,25 42,75 51,11e min. 8,79 11,05 14,38 17,77 20,03 23,36 26,75 32,95 39,55 50,85 60,79hmax. 5,10 6,00 8,00 10,00 13,30 14,10 16,40 20,30 23,90 30,00 36,00min. 4,80 5,40 7,14 8,94 11,57 13,40 15,70 19,00 22,60 27,30 33,10mwmin. 3,52 3,
36、92 5,15 6,43 8,30 9,68 11,28 13,52 16,16 19,44 23,52smax. 8,00 10,00 13,00 16,00 18,00 21,00 24,00 30,00 36,00 46,00 55,00min. 7,78 9,78 12,73 15,73 17,73 20,67 23,67 29,16 35,00 45,00 53,80aThe size in parentheses should be avoided, if possible.bP is the pitch of the thread.5DIN EN ISO 7042:2013-04
37、 EN ISO 7042:2012 (E) 4 Requirements and reference International StandardsSee Table 2.Table 2 Requirements and reference International StandardsMaterial SteelGeneral requirements International Standard ISO 8992Thread Tolerance class 6HInternational Standards ISO 261, ISO 724, ISO 965-2Mechanical and
38、 performance propertiesProperty class 5, 8, 10, 12International Standards ISO 898-2, ISO 2320Tolerance Product grade For D M16: AFor D M16: BInternational Standard ISO 4759-1Finish CoatingAs processedRequirements for electroplating are specified in ISO 4042.Requirements for non-electrolytically appl
39、ied zinc flake coatings are specified in ISO 10683.Requirements for hot dip galvanizing are specified in ISO 10684.Additional requirements or other finishes or coatings shall be agreed between the supplier and the purchaser.Surface integrity Limits for surface discontinuities are specified in ISO 61
40、57-2.Acceptability Acceptance inspection is specified in ISO 3269.5 DesignationEXAMPLE A prevailing torque type all-metal hexagon high nut, with thread M12 and property class 8 is designated as follows:Prevailing torque type hexagon high nut ISO 7042 - M12 - 86DIN EN ISO 7042:2013-04 EN ISO 7042:2012 (E) Bibliography1 ISO 4033, Hexagon high nuts (style 2) Product grades A and B2 ISO 7720, Prevailing torque type all-metal hexagon nuts, style 2 Property class 97DIN EN ISO 7042:2013-04 EN ISO 7042:2012 (E)
