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!$LD“1974133www.din.deDDIN EN ISO 7719Prevailing torque type all-metal hexagon regular nuts Property classes 5, 8 and 10 (ISO 7719:2012);English version EN ISO 7719:2012,English translation of DIN EN ISO 7719:2013-04Sechskantmuttern mit Klemmteil (Ganzmetallmuttern) Festigkeitsklassen 5, 8 un
3、d 10 (ISO 7719:2012);Englische Fassung EN ISO 7719:2012,Englische bersetzung von DIN EN ISO 7719:2013-04crous hexagonaux normaux autofreins tout mtal Classes de qualit 5, 8 et 10 (ISO 7719:2012);Version anglaise EN ISO 7719:2012,Traduction anglaise de DIN EN ISO 7719:2013-04SupersedesDIN EN ISO 7719
4、:1998-02www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 11 pages03.13 DIN EN ISO 7719:2013-04 2 A comma is used as the decimal marker. National foreword This document (EN ISO 7719:2012) has been prepared by Technical Committee ISO/TC 2
5、“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 Verbindungs-ele
6、mente mit metrischem Innengewinde. The DIN 4000-161-2 tabular layout of article characteristics shall apply to nuts covered in this standard. The DIN Standards corrtsponding 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
7、 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 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 diff
8、ers from DIN EN ISO 7719:1998-02 as follows: a) normative references are now undated; b) the letter symbol d has been replaced by D (in accordance with DIN EN ISO 225 and DIN ISO 724); c) in Table 1, the number of decimal places has been unified; d) in Table 2, requirements for zinc flake coatings h
9、ave been added; e) Table 2 has been brought 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. Previous editions DIN EN ISO 7719
10、: 1998-02 DIN EN ISO 7719:2013-04 3 National Annex NA (informative) Bibliography DIN 4000-161, Tabular layout of product properties Part 161: Fasteners with internal thread DIN EN ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and descriptions of dimensions DIN EN ISO 898-2, Mechanical pro
11、perties 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 DIN EN ISO 3269, Fasteners Acceptance inspection DIN EN ISO 4032, Hexagon nuts,
12、 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 Surface discontinuities Part 2: Nuts DIN EN ISO 10683, Fasteners Non-electrolytic
13、ally 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 threads Tolerances Part 2: Limits of sizes for general purpose external and inter
14、nal screw threads Medium quality DIN ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts DIN EN ISO 7719:2013-04 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 7719 December 2012 ICS 21.060.20 Supersedes EN ISO 7719:1997English Vers
15、ion Prevailing torque type all-metal hexagon regular nuts - Property classes 5, 8 and 10 (ISO 7719:2012) crous hexagonaux normaux autofreins tout mtal - Classes de qualit 5, 8 et 10 (ISO 7719:2012) Sechskantmuttern mit Klemmteil (Ganzmetallmuttern) -Festigkeitsklassen 5, 8 und 10 (ISO 7719:2012) Thi
16、s 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 Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical refere
17、nces 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 (English, French, German). A version in any other language made by translation under the responsibility of a CEN
18、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, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
19、 France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, 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 EUROPISCH
20、ES 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. EN ISO 7719:2012: EContents PageForeword .1 Scope 2 Normative references .3 Dimensions .4 Requirements and
21、 reference International Standards 5 Designation .Bibliography .34446672DIN EN ISO 7719:2013-04 EN ISO 7719:2012 (E) Foreword This document (EN ISO 7719:2012) has been prepared by Technical Committee ISO/TC 2 in collaboration with Technical Committee CEN/TC 185 “Fasteners” the secretariat of which i
22、s 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 2013. Attention is drawn to the possibility th
23、at 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 7719:1997. According to the CEN/CENELEC Internal Regulations, the national standards organisat
24、ions 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, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malt
25、a, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 7719:2012 has been approved by CEN as a EN ISO 7719:2012 without any modification. “Fasteners”3DIN EN ISO 7719:2013-04 EN ISO 7719:2012
26、 (E) 1 ScopeThis International Standard specifies the characteristics of prevailing torque type all-metal hexagon regular 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,
27、 8 and 10.NOTE The dimensions of the nuts with the exception of hmaxcorrespond to those given in ISO 4032.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 referenc
28、esThe 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 and
29、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 and
30、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 inspectionISO
31、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-elect
32、rolytically applied zinc flake coatings3 DimensionsSee Figure 1 and Table 1.Symbols and descriptions of dimensions are specified in ISO 225.4DIN EN ISO 7719:2013-04 EN ISO 7719:2012 (E) aPrevailing torque element, shape at the discretion of the manufacturer.b = 15 to 30.c = 90 to 120.Figure 1Table 1
33、 DimensionsDimensions in millimetresFiletage DM5 M6 M8 M10 M12 (M14)aM16 (M18)aM20a(M22)aM24 M30 M36Pb0,8 1 1,25 1,5 1,75 2 2 2,5 2,5 2,5 3 3,5 4damax. 5,75 6,75 8,75 10,80 13,00 15,10 17,30 19,50 21,60 23,70 25,90 32,40 38,90min. 5,00 6,00 8,00 10,00 12,00 14,00 16,00 18,00 20,00 22,00 24,00 30,00
34、36,00dwmin. 6,88 8,88 11,63 14,63 16,63 19,64 22,49 24,90 27,70 31,40 33,25 42,75 51,11e min. 8,79 11,05 14,38 17,77 20,03 23,36 26,75 29,56 32,95 37,29 39,55 50,85 60,79hmax. 5,30 5,90 7,10 9,00 11,60 13,20 15,20 17,00 19,00 21,00 23,00 26,90 32,50min. 4,80 5,40 6,44 8,04 10,37 12,10 14,10 15,10 16
35、,90 18,10 20,20 24,30 29,40mwmin. 3,52 3,92 5,15 6,43 8,30 9,68 11,28 12,08 13,52 14,50 16,16 19,44 23,52smax. 8,00 10,00 13,00 16,00 18,00 21,00 24,00 27,00 30,00 34,00 36,00 46,00 55,00min. 7,78 9,78 12,73 15,73 17,73 20,67 23,67 26,16 29,16 33,00 35,00 45,00 53,80aThe size in parentheses should b
36、e avoided, if possible.bP is the pitch of the thread.5DIN EN ISO 7719:2013-04 EN ISO 7719:2012 (E) 4 Requirements and reference International StandardsSee Table 2.Table 2 Requirements and reference International StandardsMaterial SteelGeneral requirements International StandardISO 8992Thread Toleran
37、ce class 6HInternational StandardsISO 261, ISO 724, ISO 965-2Mechanical and performance propertiesProperty class 5, 8, 10International StandardsISO 898-2, ISO 2320Tolerance Product grade For D M16: AFor D M16: BInternational StandardISO 4759-1Finish CoatingAs processedRequirements for electroplating
38、 are specified in ISO 4042.Requirements for non-electrolytically applied zinc flake coatings are specified in ISO 10683.Additional requirements or other finishes or coatings shall be agreed between the supplier and the purchaser.Surface integrityLimits for surface discontinuities are specified in IS
39、O 6157-2.Acceptability Acceptance inspection is specified in ISO 3269.5 DesignationEXAMPLE A prevailing torque type all-metal hexagon regular nut, with thread M12 and property class 8 is designated as follows:Prevailing torque type hexagon regular nut ISO 7719 - M12 - 86DIN EN ISO 7719:2013-04 EN ISO 7719:2012 (E) Bibliography1 ISO 4032, Hexagon regular nuts (style 1) Product grades A and B 7DIN EN ISO 7719:2013-04 EN ISO 7719:2012 (E)
