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 Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo repr
2、oduction or networking permitted without license from IHS-,-,-BS EN ISO 4033:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO 4033:2012.It supersedes BS EN ISO 4033:2001 which is withdrawn.The UK participation in its preparation was entrusted to Technica
3、lCommittee 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 all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 201
4、3. Published by BSI StandardsLimited 2013ISBN 978 0 580 78558 0ICS 21.060.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 January 2013.Amendments issued since
5、 publicationDate Text affectedCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 4033 December 2012 ICS 21.060.20 Supersedes
6、 EN ISO 4033:2000English Version Hexagon 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
7、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. Up-to-date lists and bibliographical references concerning such national standards may be obtained on appli
8、cation to the 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 Man
9、agement 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latv
10、ia, Lithuania, 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-100
11、0 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 4033:2012: ECopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without li
12、cense from IHS-,-,-BS 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/TC 185 “Fasteners” the secretariat of which is held by DIN. This European Standard shall
13、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 2013. Attention is drawn to the possibility that some of the elements of this document may
14、 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 Regulations, the national standards organisations of the following countries are bound to
15、 implement this European Standard: 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, Ro
16、mania, 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. Copyright European Committee for Standardization Provided by IHS under license with CENNot for R
17、esaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 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 .
18、 4Bibliography . 5Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 4033:2012ISO 4033:2012(E)ForewordISO (the International Organization for Standardization) is a worldwi
19、de 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 tha
20、t 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 ac
21、cordance 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 requ
22、ires 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 4033 was prepared by Technical
23、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 reservedCopyright European Committee for Standardization Provided by IH
24、S under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 4033:2012ISO 4033:2012(E)IntroductionThis International Standard belongs to a complete group of product standards developed by ISO on external hexagon drive fasteners. It comprises th
25、e following:a) hexagon head bolts (ISO 4014, ISO 4015, ISO 4016 and ISO 8765);b) hexagon head screws (ISO 4017, ISO 4018 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 105
26、12 and ISO 10513);d) hexagon bolts with flange (ISO 4162, ISO 15071 and ISO 15072);e) hexagon nuts with flange (ISO 4161, ISO 7043, ISO 7044, ISO 10663, ISO 12125, ISO 12126 and ISO 21670). ISO 2012 All rights reserved vCopyright European Committee for Standardization Provided by IHS under license w
27、ith CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 4033:2012Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 4033:2012He
28、xagon high nuts (style 2) Product grades A and B1 ScopeThis International Standard specifies the characteristics of hexagon high nuts (style 2), with threads from 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, specificat
29、ions other than those listed in this International Standard are required, they can be selected from existing International Standards, for example ISO 724, ISO 898-2, ISO 965-1 and ISO 4759-1.NOTE For hexagon regular nuts (style 1), see ISO 4032.2 Normative referencesThe following documents, in whole
30、 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 and descriptions of dimensionsISO 724,
31、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 and fine pitch threadISO 965-1, ISO general-purpose metric screw threads Tolerances Part 1: Principle
32、s and basic dataISO 3269, Fasteners Acceptance inspectionISO 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 fo
33、r bolts, screws, studs and nutsISO 10683, Fasteners Non-electrolytically applied zinc flake coatingsISO 10684, Fasteners Hot dip galvanized coatings3 DimensionsSee Figure 1 and Table 1.Symbols and descriptions of dimensions are specified in ISO 225.INTERNATIONAL STANDARD ISO 4033:2012(E) ISO 2012 Al
34、l rights reserved 1Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 4033:2012ISO 4033:2012(E)aUnless otherwise specified at the time of order, the nuts are delivered wit
35、hout washer-face.b = 15 to 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 19,6
36、0e min. 8,79 11,05 14,38 17,77 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 reservedCopyright European Committee for Standar
37、dization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 4033:2012ISO 4033:2012(E)Table 1 (continued)Dimensions in millimetresThread 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
38、 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. 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 53,80aI
39、f possible, the size in parentheses should be avoided.bP is the pitch of the thread. ISO 2012 All rights reserved 3Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 4033:
40、2012ISO 4033:2012(E)4 Requirements and reference International StandardsSee Table 2.Table 2 Requirements and reference International StandardsMaterial SteelGeneral requirements International Standard ISO 8992ThreadTolerance class 6HInternational Standards ISO 724, ISO 965-1Mechanical propertiesPrope
41、rty class 8 9 10 12International Standard ISO 898-2ToleranceProduct gradeD 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.R
42、equirements for hot dip galvanized coatings are specified in ISO 10684.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 s
43、pecified in ISO 3269.5 DesignationEXAMPLE A hexagon high nut (style 2), with thread M12 and property class 9 is designated as follows:Hexagon high nut ISO 4033 - M12 - 94 ISO 2012 All rights reservedCopyright European Committee for Standardization Provided by IHS under license with CENNot for Resale
44、No reproduction or networking permitted without license from IHS-,-,-BS 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 diameter approximately equal to pitch diameter)3 ISO 4016, Hexa
45、gon 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) Product grade C8 ISO 4035, Hexagon thin nuts chamfered (style
46、 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 product grade B12 ISO 7040, Prevailing torque type hexagon r
47、egular 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 Property classes 5, 8, 10 and 1215 ISO 7043, Prevailing tor
48、que 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 hexagon regular nuts Property classes 5, 8 and 1018 ISO 7720, Prevailing torque type all-metal hexagon nuts, style 2 Property class 919 ISO
