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1、BRITISH STANDARD BS EN 24017:1992 ISO 4017:1988 Hexagon head screws Product grades A and B The European Standard EN 24017:1991 has the status of a British Standard Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 01 05:14:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 24017:1992 This British
2、 Standard, having been prepared under the direction of the General Mechanical Engineering Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 1 April 1992 BSI 02-1999 The following BSI references relate to the work on this standard: Committee
3、 reference GME/9 Draft for comment 86/74724 DC ISBN 0 580 20722 6 Cooperating organizations The European Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following countries. AustriaOesterreichisch
4、es Normungsinstitut BelgiumInstitut belge de normalisation DenmarkDansk Standardiseringsraad FinlandSuomen Standardisoimisliito, r.y. FranceAssociation franaise de normalisation GermanyDeutsches Institut fr Normung e.V. GreeceHellenic Organization for Standardization IcelandTechnological Institute o
5、f Iceland IrelandNational Standards Authority of Ireland ItalyEnte Nazionale Italiano di Unificazione LuxembourgInspection du Travail et des Mines NetherlandsNederlands Normalisatie-instituut NorwayNorges Standardiseringsforbund PortugalInstituto Portugus da Qualidade SpainAsociacin Espaola de Norma
6、lizacin y Certificacin SwedenStandardiseringskommissionen i Sverige SwitzerlandAssociation suisse de normalisation United KingdomBritish Standards Institution Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 01 05:14:27 GMT+00:00 2006, Unco
7、ntrolled Copy, (c) BSI BS EN 24017:1992 BSI 02-1999i Contents Page Cooperating organizationsInside front cover National forewordii Foreword2 Text of EN 240173 National annex NA (informative)10 National annex NB (informative)Inside back cover Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 01 05:
8、14:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 24017:1992 ii BSI 02-1999 National foreword This British Standard has been prepared under the direction of the General Mechanical Engineering Standards Policy Committee and is the English language version of EN 24017:1991, Hexagon head screws Pr
9、oduct grades A and B, published by the European Committee for Standardization (CEN). It is identical with ISO 4017:1988, published by the International Organization for Standardization (ISO). EN 24017:1991 was produced as a result of international discussion in which the UK took an active part. A Br
10、itish Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a fr
11、ont cover, an inside front cover, pages i and ii, pages 2 to 10, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sh
12、effieldun, na, Wed Nov 01 05:14:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 24017 October 1991 UDC 621.882.211 Descriptors: Fasteners, screws, hexagonal head screws, specifications, dimensions, designation English version Hexagon head screws Pro
13、duct grades A and B (ISO 4017:1988) Vis tte hexagonale Grades A et B (ISO 4017:1988) Sechskantschrauben mit Gewinde bis Kopf Produktklassen A und B (ISO 4017:1988) This European Standard was approved by CEN on 1991-10-10. CEN members are bound to comply with the CEN/CENELEC Internal Regulations whic
14、h 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 Central Secretariat or to any CEN member. This European Stan
15、dard 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 Central Secretariat has the same status as the official versions. CEN members are the national stan
16、dards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Cen
17、tral Secretariat: rue de Stassart 36, B-1050 Brussels CEN 1991 Copyright reserved to all CEN members Ref. No. EN 24017:1991 E Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 01 05:14:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 24017:1991 BSI 02-1999 2 Foreword In 1990, ISO 4017:1988 was sub
18、mitted to the CEN P.Q. procedure. Following the positive result of the P.Q., CEN/BT agreed to submit ISO 4017:1988 with the following modifications to Formal Vote. In the French version, replace: “boulon” by “vis partiellement filete” “vis” by “vis entirement filete” In accordance with the Common CE
19、N/CENELEC Rules, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Contents Page Foreword2 0Introductio
20、n3 1Scope and field of application3 2References3 3Dimensions4 4Specifications and reference standards9 5Designation9 Table 1 Preferred threads5 Table 2 Non-preferred threads7 Table 3 Specifications and reference standards9 Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 01 05:14:27 GMT+00:00 200
21、6, Uncontrolled Copy, (c) BSI EN 24017:1991 BSI 02-19993 0 Introduction This International Standard is part of the complete ISO product standard series on hexagon drive fasteners. The series comprises: a) hexagon head bolts (ISO 4014, ISO 4015, ISO 4016 and ISO 8765); b) hexagon head screws (ISO 401
22、7, ISO 4018 and ISO 8676); c) hexagon nuts (ISO 4032, ISO 4033, ISO 4034, ISO 4035, ISO 4036, ISO 8673, ISO 8674 and ISO 8675); d) hexagon flanged bolts (ISO 4162 and ISO 8102); e) hexagon flanged screws;1) f) hexagon flanged nuts (ISO 4161, ISO 7043 and ISO 7044); g) structural bolting (ISO 4775, I
23、SO 7411 to ISO 7414 and ISO 7417). 1 Scope and field of application This International Standard gives specifications for hexagon head screws with threads from M1,6 up to and including M64, of product grade A for threads M1,6 to M24 and nominal lengths up to and including 10d or 150 mm, whichever is
24、shorter, and product grade B for threads over M24 or nominal lengths over 10d or 150 mm, whichever is shorter. NOTEThis type of product is the same as that covered by ISO 4014 with the exception of threading up to the head and nominal length up to and including 200 mm as popular lengths. If, in spec
25、ial cases, specifications other than those listed in this International Standard are required, they should be selected from existing International Standards, for example ISO 261, ISO 888, ISO 898-1, ISO 965-2, ISO 3506 and ISO 4759-1. 2 References ISO 225, Fasteners Bolts, screws and nuts Symbols an
26、d designations of dimensions. ISO 261, ISO general purpose metric screw threads General plan. ISO 888, Bolts, screws and studs Nominal lengths and thread lengths for general purpose bolts and screws. ISO 898-1, Mechanical properties of fasteners Part 1: Bolts, screws and studs. ISO 965-2, ISO genera
27、l purpose metric screw threads Tolerances Part 2: Limits of sizes for general purpose bolt and nut threads Medium quality. ISO 3269, Fasteners Acceptance inspection. ISO 3506, Corrosion-resistant stainless steel fasteners Specifications. ISO 3508, Thread run-outs and fasteners with thread in accorda
28、nce with ISO 261 and ISO 262. ISO 4042, Threaded components Electroplated coatings2). ISO 4753, Fasteners Ends of parts with external metric ISO thread. ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws and nuts with thread diameters $ 1,6 and # 150 mm and product grades A, B and C. ISO 615
29、7-1, Fasteners Surface discontinuities Part 1: Bolts, screws and studs for general requirements2). ISO 6157-3, Fasteners Surface discontinuities Part 3: Bolts, screws and studs for special requirements2). ISO 8839, Mechanical properties of fasteners Bolts, screws, studs and nuts made of non-ferrous
30、metals. ISO 8992, Fasteners General requirements for bolts, screws and nuts. 1) These will form the subjects of future International Standards. 2) At present at the stage of draft. Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 01 05:14:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 24017:199
31、1 4 BSI 02-1999 3 Dimensions NOTESymbols and descriptions of dimensions are specified in ISO 225. 1) Incomplete thread u 39 mm: as agreedd 39 mm: as agreed International Standards d # 39 mm: ISO 898-1d # 39 mm: ISO 3506ISO 8839 d 39 mm: as agreedd 39 mm: as agreed Tolerances Product grade For d # 24
32、 mm and l # 10 d or 150 mmb: A For d 24 mm or l 10 d or 150 mmb: B International StandardISO 4759-1 Finish as processedplainplain Requirements for electroplating are covered in ISO 4042. If different electroplating requirements are desired or if requirements are needed for other finishes, they shoul
33、d be agreed between customer and supplier. Limits for surface discontinuities are covered in ISO 6157-1 and ISO 6157-3. AcceptabilityFor acceptance procedure, see ISO 3269. a The designation symbols for the property classes according to ISO 898-1 can also be used for threads above M39, provided that
34、 the finished product has all the properties assigned to the designation symbols in ISO 898-1. b Whichever is shorter. Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 01 05:14:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 24017:1992 10 BSI 02-1999 National annex NA (informative) Committees
35、 responsible The United Kingdom participation in the preparation of this European Standard was entrusted by the General Mechanical Engineering Standards Policy Committee (GME/-) to Technical Committee GME/9, upon which the following bodies were represented: BEAMA Ltd. British Constructional Steelwor
36、k Association Ltd. British Industrial Fasteners Federation British Railways Board British Steel Industry British Steel Industry (Wire Section) Gauge and Tool Makers Association Ministry of Defence Society of Motor Manufacturers and Traders Ltd. Washer Manufacturers Association of Great Britain The f
37、ollowing bodies also participated in the preparation of the standard, through subcommittees and panels: Defence Manufacturers Association General Municipal Boilermaker and Allied Trades Union Screw Thread Tool Manufacturers Association Society of British Aerospace Companies Ltd. Licensed Copy: sheff
38、ieldun sheffieldun, na, Wed Nov 01 05:14:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 24017:1992 BSI 02-1999 National annex NB (informative) Cross-references Publication referred toCorresponding British Standard ISO 225:1983BS EN 20225:1992 Fasteners Bolts, screws, studs and nuts Symbols and
39、designations of dimensions ISO 261:1973BS 3643 ISO metric screw threads Part 1:1981 Principles and basic data ISO 888:1976BS 7345:1990 Specification for nominal lengths of bolts, screws and studs and thread lengths for general purpose bolts ISO 898-1:1988BS EN 20898 Mechanical properties of fastener
40、s Part 1:1992 Specification for bolts, screws and studs ISO 3506:1979BS 6105:1981 Specification for corrosion-resistant stainless steel fasteners ISO 4753:1983BS 6567:1985 Specification for ends of fasteners with external metric ISO thread ISO 4759-1:1978BS 6322 Tolerances for fasteners Part 1:1982
41、Specification for tolerances of bolts, screws and nuts with thread diameters $ 1.6 mm and # 150 mm and product grades A, B and C ISO 6157-1:1988BS EN 26157 Fasteners Surface discontinuities Part 1:1992 Bolts, screws and studs for general requirements ISO 6157-3:1988BS EN 26157 Fasteners Surface disc
42、ontinuities Part 3:1992 Bolts, screws and studs for special requirements ISO 8839:1986BS EN 28839:1992 Mechanical properties of fasteners Bolts, screws studs and nuts made of non ferrous metals Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 01 05:14:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI
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