1、April 2013Translation 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 21
2、.060.20!$LB“1974131www.din.deDDIN EN ISO 7040Prevailing torque type hexagon regular nuts (with non-metallic insert) Property classes 5, 8 and 10 (ISO 7040:2012);English version EN ISO 7040:2012,English translation of DIN EN ISO 7040:2013-04Sechskantmuttern mit Klemmteil (mit nichtmetallischem Einsat
3、z) Festigkeitsklassen 5, 8 und 10 (ISO 7040:2012);Englische Fassung EN ISO 7040:2012,Englische bersetzung von DIN EN ISO 7040:2013-04crous hexagonaux normaux autofreins ( anneau non mtallique) Classes de qualit 5, 8 et 10 (ISO 7040:2012);Version anglaise EN ISO 7040:2012,Traduction anglaise de DIN E
4、N ISO 7040:2013-04SupersedesDIN EN ISO 7040:1998-02www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 11 pages03.13 DIN EN ISO 7040:2013-04 2 A comma is used as the decimal marker. National foreword This document (EN ISO 7040:2012) has bee
5、n prepared by Technical Committee 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 Verbindungs-elemente (Fasteners Standards Committee), Worki
6、ng Committee NA 067-00-03 AA Verbindungselemente mit metrischem Innengewinde. 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 ISO 261 ISO 724 DIN ISO 724 ISO 898-2 DIN EN ISO 898-2 ISO 965-2 DIN ISO 965-2
7、ISO 2320 DIN EN ISO 2320 ISO 3269 DIN EN ISO 3269 ISO 4032 DIN EN ISO 4032 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 Amendments This standard differs from DIN EN ISO 7040:1998-02 as follows: a) normative refere
8、nces are now undated; b) in Table 1, the pitch of the thread, P, has been corrected for thread size M6; c) the letter symbol d has been replaced by D (in accordance with DIN EN ISO 225 and DIN ISO 724); d) in Table 2, requirements for zinc flake coatings have been added; e) Table 2 has been brought
9、in line with the new edition of DIN EN ISO 898-2; f) in Clause 5, the designation has been harmonized with the original ISO document; g) the standard has been editorially revised and normative references have been updated; h) previous editions have been updated and supplemented by reference to DIN 9
10、85. Previous editions DIN 985: 1951-07, 1956-06, 1960-10, 1963-03, 1967-12, 1977-09, 1987-05 DIN 982: 1967-12, 1977-09, 1987-05 DIN 6924: 1983-11, 1987-07 DIN EN ISO 7040: 1998-02 DIN EN ISO 7040:2013-04 3 National Annex NA (informative) Bibliography DIN EN ISO 225, Fasteners Bolts, screws, studs an
11、d 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, Prevailing torque type steel nuts Mechanical and performance properties D
12、IN EN ISO 3269, Fasteners Acceptance inspection DIN EN ISO 4032, Hexagon nuts, style 1 Product grades A and B DIN EN ISO 4042, Fasteners Electroplated coatings DIN EN ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product grades A, B and C DIN EN ISO 6157-2, Fasteners Sur
13、face discontinuities Part 2: Nuts DIN EN ISO 10683, Fasteners Non-electrolytically applied zinc flake coatings DIN ISO 261, ISO general purpose metric screw threads General plan DIN ISO 724, ISO general purpose metric screw threads Basic dimensions DIN ISO 965-2, ISO general purpose metric screw thr
14、eads Tolerances Part 2: Limits of sizes for general purpose external and internal screw threads Medium quality DIN ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts DIN EN ISO 7040:2013-04 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM E
15、N ISO 7040December 2012 ICS 21.060.20 Supersedes EN ISO 7040:1997English Version Prevailing torque type hexagon regular nuts (with non-metallic insert) - Property classes 5, 8 and 10 (ISO 7040:2012) crous hexagonaux normaux autofreins ( anneau non mtallique) - Classes de qualit 5, 8 et 10 (ISO 7040:
16、2012)Sechskantmuttern mit Klemmteil (mit nichtmetallischem Einsatz) - Festigkeitsklass en 5, 8 u nd 10 This European Standard was approved by CEN on 3 December 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Stan
17、dard 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 Centre or to any CEN member. This European Standard exists in three official versions (Englis
18、h, 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 the official versions. CEN members are the national standards bodies of Austria, Belgium, Bu
19、lgaria, 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, Sweden, Switzerland,
20、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 exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No.
21、EN ISO 7040:2012: E(ISO 7040:2012) Contents PageForeword .1 Scope 2 Normative references .3 Dimensions .4 Requirements and reference International Standards 5 Designation .Bibliography .34456672DIN EN ISO 7040:2013-04 EN ISO 7040:2012 (E) Foreword This document (EN ISO 7040:2012) has been prepared b
22、y 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 standard, either by publication of an identical text or by endorsement, at the latest by June 2013,
23、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. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This
24、 document supersedes EN ISO 7040:1997. According to the CEN/CENELEC Internal 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 Yugo
25、slav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, 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 7040:2012 has
26、 been approved by CEN as a EN ISO 7040:2012 without any modification. “Fasteners”3DIN EN ISO 7040:2013-04 EN ISO 7040:2012 (E) 1 ScopeThis International Standard specifies the characteristics of prevailing torque type hexagon regular nuts (with non-metallic insert), with threads from M3 up to and in
27、cluding 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 and 10.NOTE The dimensions of the nuts correspond to those given in ISO 4032 plus prevailing torque feature.If other specifications are required, they can be
28、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 referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable to its application. For undated references
29、, the latest edition of the referenced document (including any amendments) applies.ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and descriptions of dimensionsISO 261, ISO general purpose metric screw threads General planISO 724, ISO general-purpose metric screw threads Basic dimensionsIS
30、O 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 965-2, ISO general purpose metric screw threads Tolerances Part 2: Limits of sizes for general purpose external and internal screw thre
31、ads Medium qualityISO 2320, Prevailing torque type steel nuts Mechanical and performance propertiesISO 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, Fasten
32、ers Surface discontinuities Part 2: NutsISO 8992, Fasteners General requirements for bolts, screws, studs and nutsISO 10683, Fasteners Non-electrolytically applied zinc flake coatings4DIN EN ISO 7040:2013-04 EN ISO 7040:2012 (E) 3 DimensionsSee Figure 1 and Table 1. Symbols and descriptions of dimen
33、sions are specified in ISO 225.a Prevailing torque element, shape at the discretion of the manufacturer.b = 15 to 30.c = 90 to 120.Figure 1Table 1 DimensionsDimensions in millimetresThread DM3 M4 M5 M6 M8 M10 M12 (M14)aM16 M20 M24 M30 M36Pb0,5 0,7 0,8 1 1,25 1,5 1,75 2 2 2,5 3 3,5 4damax. 3,45 4,60
34、5,75 6,75 8,75 10,80 13,00 15,10 17,30 21,60 25,90 32,40 38,90min. 3,00 4,00 5,00 6,00 8,00 10,00 12,00 14,00 16,00 20,00 24,00 30,00 36,00dwmin. 4,57 5,88 6,88 8,88 11,63 14,63 16,63 19,64 22,49 27,70 33,25 42,75 51,11e min. 6,01 7,66 8,79 11,05 14,38 17,77 20,03 23,36 26,75 32,95 39,55 50,85 60,79
35、hmax. 4,50 6,00 6,80 8,00 9,50 11,90 14,90 17,00 19,10 22,80 27,10 32,60 38,90min. 4,02 5,52 6,22 7,42 8,92 11,20 14,20 15,90 17,80 20,70 25,00 30,10 36,40m min. 2,15 2,90 4,40 4,90 6,44 8,04 10,37 12,10 14,10 16,90 20,20 24,30 29,40mwmin. 1,72 2,32 3,52 3,92 5,15 6,43 8,30 9,68 11,28 13,52 16,16 19
36、,44 23,52smax. 5,50 7,00 8,00 10,00 13,00 16,00 18,00 21,00 24,00 30,00 36,00 46,00 55,00min. 5,32 6,78 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 7040:2013-04 EN ISO 7040:2012 (E) 4
37、 Requirements and reference International StandardsSee Table 2.Table 2 Requirements and reference International StandardsMaterial Nut body SteelInsert For example, polyamideGeneral requirements International Standard ISO 8992ThreadTolerance class 6HInternational Standards ISO 261, ISO 724, ISO 965-2
38、Mechanical and performance propertiesProperty classD 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.Additional requirements or othe
39、r 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 prevailing torque type hexagon regular nut, with non-metallic insert, thread M12 and property class 8 is designated as follows:Prevailing torque type hexagon regular nut ISO 7040 - M12 - 86DIN EN ISO 7040:2013-04 EN ISO 7040:2012 (E) Bibliography1 ISO 4032, Hexagon regular nuts (style 1) Product grades A and B7DIN EN ISO 7040:2013-04 EN ISO 7040:2012 (E)
