1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 4033:2012Hexagon high nuts (style 2) Product grades A and B BS EN ISO 4033:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN IS
2、O 4033:2012.It supersedes BS EN ISO 4033:2001 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee FME/9, Fasteners.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include
3、all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 78558 0ICS 21.060.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British S
4、tandard was published under the authority of theStandards Policy and Strategy Committee on 31 January 2013.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 4033 December 2012 ICS 21.060.20 Supersedes EN ISO 4033:2000English Version Hexagon
5、 high nuts (style 2) - Product grades A and B (ISO 4033:2012) crous hexagonaux hauts (style 2) - Grades A et B (ISO 4033:2012) Sechskantmuttern, Typ 2 - Produktklassen A und B (ISO 4033:2012) This European Standard was approved by CEN on 13 November 2012. CEN members are bound to comply with the CEN
6、/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 Cen
7、tre 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 th
8、e 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, Luxembourg, Malta, Nether
9、lands, 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 2012 CEN All rights of exploi
10、tation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 4033:2012: EBS EN ISO 4033:2012EN ISO 4033:2012 (E) 3 Foreword This document (EN ISO 4033:2012) has been prepared by Technical Committee ISO/TC 2 “Fasteners“ in collaboration with Technical Committee CEN
11、/TC 185 “Fasteners” the secretariat of which is held by DIN. 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 June 2013, and conflicting national standards shall be withdrawn at the latest by June
12、2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 4033:2000. According to the CEN/CENELEC Internal
13、 Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Irela
14、nd, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 4033:2012 has been approved by CEN as a EN ISO 4033:2012 without any modification. BS EN
15、ISO 4033:2012ISO 4033:2012(E) ISO 2012 All rights reserved iiiContents PageForeword ivIntroduction v1 Scope 12 Normative references . 13 Dimensions . 14 Requirements and reference International Standards 45 Designation . 4Bibliography . 5BS EN ISO 4033:2012ISO 4033:2012(E)ForewordISO (the Internatio
16、nal 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
17、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 standar
18、dization.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 vot
19、ing. 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
20、 patent rights.ISO 4033 was prepared by Technical Committee ISO/TC 2, Fasteners, Subcommittee SC 12, Fasteners with metric internal thread.This third edition cancels and replaces the second edition (ISO 4033:1999), of which it constitutes a minor revision.iv ISO 2012 All rights reservedBS EN ISO 403
21、3:2012ISO 4033:2012(E)IntroductionThis International Standard belongs to a complete group of product standards developed by ISO on external hexagon drive fasteners. It comprises the following:a) hexagon head bolts (ISO 4014, ISO 4015, ISO 4016 and ISO 8765);b) hexagon head screws (ISO 4017, ISO 4018
22、 and ISO 8676);c) hexagon nuts (ISO 4032, ISO 4033, ISO 4034, ISO 4035, ISO 4036, ISO 7040, ISO 7041, ISO 7042, ISO 7719, ISO 7720, ISO 8673, ISO 8674, ISO 8675, ISO 10511, ISO 10512 and ISO 10513);d) hexagon bolts with flange (ISO 4162, ISO 15071 and ISO 15072);e) hexagon nuts with flange (ISO 4161
23、, ISO 7043, ISO 7044, ISO 10663, ISO 12125, ISO 12126 and ISO 21670). ISO 2012 All rights reserved vBS EN ISO 4033:2012BS EN ISO 4033:2012Hexagon high nuts (style 2) Product grades A and B1 ScopeThis International Standard specifies the characteristics of hexagon high nuts (style 2), with threads fr
24、om M5 up to and including M36, with product grade A for threads D M16 and product grade B for threads D M16.If, in special cases, specifications other than those listed in this International Standard are required, they can be selected from existing International Standards, for example ISO 724, ISO 8
25、98-2, ISO 965-1 and ISO 4759-1.NOTE For hexagon regular nuts (style 1), see ISO 4032.2 Normative referencesThe 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
26、document (including any amendments) applies.ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and descriptions of dimensionsISO 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 sp
27、ecified property classes Coarse thread and fine pitch threadISO 965-1, ISO general-purpose metric screw threads Tolerances Part 1: Principles and basic dataISO 3269, Fasteners Acceptance inspectionISO 4042, Fasteners Electroplated coatingsISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws, s
28、tuds 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-electrolytically applied zinc flake coatingsISO 10684, Fasteners Hot dip galvanized coatings3 Dimensions
29、See Figure 1 and Table 1.Symbols and descriptions of dimensions are specified in ISO 225.INTERNATIONAL STANDARD ISO 4033:2012(E) ISO 2012 All rights reserved 1BS EN ISO 4033:2012ISO 4033:2012(E)aUnless otherwise specified at the time of order, the nuts are delivered without washer-face.b = 15 to 30.
30、c = 90 to 120.Figure 1Table 1 DimensionsDimensions in millimetresThread DM5 M6 M8 M10 M12 (M14)aPb0,8 1 1,25 1,5 1,75 2c max. 0,50 0,50 0,60 0,60 0,60 0,60damax. 5,75 6,75 8,75 10,80 13,00 15,10min. 5,00 6,00 8,00 10,00 12,00 14,00dwmin. 6,90 8,90 11,60 14,60 16,60 19,60e min. 8,79 11,05 14,38 17,77
31、 20,03 23,36mmax. 5,10 5,70 7,50 9,30 12,00 14,10min. 4,80 5,40 7,14 8,94 11,57 13,40mwmin. 3,84 4,32 5,71 7,15 9,26 10,70smax. 8,00 10,00 13,00 16,00 18,00 21,00min. 7,78 9,78 12,73 15,73 17,73 20,672 ISO 2012 All rights reservedBS EN ISO 4033:2012ISO 4033:2012(E)Table 1 (continued)Dimensions in mi
32、llimetresThread DM16 M20 M24 M30 M36Pb2 2,5 3 3,5 4c max. 0,80 0,80 0,80 0,80 0,80damax. 17,30 21,60 25,90 32,40 38,90min. 16,00 20,00 24,00 30,00 36,00dwmin. 22,50 27,70 33,20 42,70 51,10e min. 26,75 32,95 39,55 50,85 60,79mmax. 16,40 20,30 23,90 28,60 34,70min. 15,70 19,00 22,60 27,30 33,10mwmin.
33、12,60 15,20 18,10 21,80 26,50smax. 24,00 30,00 36,00 46,00 55,00min. 23,67 29,16 35,00 45,00 53,80aIf possible, the size in parentheses should be avoided.bP is the pitch of the thread. ISO 2012 All rights reserved 3BS EN ISO 4033:2012ISO 4033:2012(E)4 Requirements and reference International Standar
34、dsSee Table 2.Table 2 Requirements and reference International StandardsMaterial SteelGeneral requirements International Standard ISO 8992ThreadTolerance class 6HInternational Standards ISO 724, ISO 965-1Mechanical propertiesProperty class 8 9 10 12International Standard ISO 898-2ToleranceProduct gr
35、adeD M16: AD M16: BInternational Standard ISO 4759-1Finish CoatingAs processedRequirements for electroplating are specified in ISO 4042.Requirements for non-electrolytically applied zinc flake coatings are specified in ISO 10683.Requirements for hot dip galvanized coatings are specified in ISO 10684
36、.Additional requirements or other finishes or coatings shall be agreed between the supplier and the purchaser.Surface integrityLimits for surface discontinuities are specified in ISO 6157-2.Acceptability Acceptance inspection is specified in ISO 3269.5 DesignationEXAMPLE A hexagon high nut (style 2)
37、, with thread M12 and property class 9 is designated as follows:Hexagon high nut ISO 4033 - M12 - 94 ISO 2012 All rights reservedBS EN ISO 4033:2012ISO 4033:2012(E)Bibliography1 ISO 4014, Hexagon head bolts Product grades A and B2 ISO 4015, Hexagon head bolts Product grade B Reduced shank (shank dia
38、meter approximately equal to pitch diameter)3 ISO 4016, Hexagon head bolts Product grade C4 ISO 4017, Hexagon head screws Product grades A and B5 ISO 4018, Hexagon head screws Product grade C6 ISO 4032, Hexagon regular nuts (style 1) Product grades A and B7 ISO 4034, Hexagon regular nuts (style 1) P
39、roduct grade C8 ISO 4035, Hexagon thin nuts chamfered (style 0) Product grades A and B9 ISO 4036, Hexagon thin nuts unchamfered (style 0) Product grade B10 ISO 4161, Hexagon nuts with flange, style 2 Coarse thread11 ISO 4162, Hexagon flange bolts Small series Product grade A with driving feature of
40、product grade B12 ISO 7040, Prevailing torque type hexagon regular nuts (with non-metallic insert) Property classes 5, 8 and 1013 ISO 7041, Prevailing torque type hexagon nuts (with non-metallic insert), style 2 Property classes 9 and 1214 ISO 7042, Prevailing torque type all-metal hexagon high nuts
41、 Property classes 5, 8, 10 and 1215 ISO 7043, Prevailing torque type hexagon nuts with flange (with non-metallic insert), style 2 Product grades A and B16 ISO 7044, Prevailing torque type all-metal hexagon nuts with flange, style 2 Product grades A and B17 ISO 7719, Prevailing torque type all-metal
42、hexagon regular nuts Property classes 5, 8 and 1018 ISO 7720, Prevailing torque type all-metal hexagon nuts, style 2 Property class 919 ISO 8673, Hexagon regular nuts (style 1) with metric fine pitch thread Product grades A and B20 ISO 8674, Hexagon high nuts (style 2) with metric fine pitch thread
43、Product grades A and B21 ISO 8675, Hexagon thin nuts chamfered (style 0) with metric fine pitch thread Product grades A and B22 ISO 8676, Hexagon head screws with metric fine pitch thread Product grades A and B23 ISO 8765, Hexagon head bolts with metric fine pitch thread Product grades A and B24 ISO
44、 10511, Prevailing torque type hexagon thin nuts (with non-metallic insert)25 ISO 10512, Prevailing torque type hexagon regularnuts(withnon-metallicinsert)withmetricfinepitchthread Property classes 6, 8 and 1026 ISO 10513, Prevailing torque type all-metal hexagon high nuts with metric fine pitch thr
45、ead Property classes 8, 10 and 1227 ISO 10663, Hexagon nuts with flange, style 2 Fine pitch thread ISO 2012 All rights reserved 5BS EN ISO 4033:2012ISO 4033:2012(E)28 ISO 12125, Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread, style 2 Product
46、grades A and B29 ISO 12126, Prevailing torque type all-metal hexagon nuts with flange with metric fine pitch thread, style 2 Product grades A and B30 ISO 15071, Hexagon bolts with flange Small series Product grade A31 ISO 15072, Hexagon bolts with flange with metric fine pitch thread Small series Pr
47、oduct grade A32 ISO 21670, Hexagon weld nuts with flange6 ISO 2012 All rights reservedBS EN ISO 4033:2012This page deliberately left blankThis page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, inform
48、ation and services. It presents the UK view on standards in Europe and at the international level. BSI is incorporated by Royal Charter. British Standards and other standardisation products are published by BSI Standards Limited.British Standards Institution (BSI)raising standards worldwideBSI389 Ch
49、iswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards and PASs are periodically updated by amendment or revision. Users of British Standards and PASs should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve the quality of our
