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1、BRITISH STANDARD BS EN ISO 1479:1995 Hexagon-head tapping screws The European Standard EN ISO 1479:1994 has the status of a British Standard UDC 621.882.082.8 BS EN ISO 1479:1995 This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the
2、authority of the Standards Board and comes into effect on 15 January 1995 BSI 07-1999 The following BSI references relate to the work on this standard: Committee reference GME/9 Draft for comment 82/70257 DC ISBN 0 580 23299 9 Cooperating organizations The European Committee for Standardization (CEN
3、), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following countries: AustriaOesterreichisches Normungsinstitut BelgiumInstitut belge de normalisation DenmarkDansk Standard FinlandSuomen Standardisoimisliito, r.y. FranceAssociation
4、 franaise de normalisation GermanyDeutsches Institut fr Normung e.V. GreeceHellenic Organization for Standardization IcelandTechnological Institute of Iceland IrelandNational Standards Authority of Ireland ItalyEnte Nazionale Italiano di Unificazione LuxembourgInspection du Travail et des Mines Neth
5、erlandsNederlands Normalisatie-instituut NorwayNorges Standardiseringsforbund PortugalInstituto Portugus da Qualidade SpainAsociacin Espaola de Normalizacin y Certificacin SwedenStandardiseringskommissionen i Sverige SwitzerlandAssociation suisse de normalisation United KingdomBritish Standards Inst
6、itution Amendments issued since publication Amd. No.DateComments BS EN ISO 1479:1995 BSI 07-1999i Contents Page Cooperating organizationsInside front cover National forewordii Foreword2 Text of EN ISO 14793 National annex NA (informative) Committees responsibleInside back cover National annex NB (in
7、formative) Cross-referencesInside back cover BS EN ISO 1479:1995 ii BSI 07-1999 National foreword This British Standard has been prepared under the direction of the Engineering Sector Board and is the English language version of EN ISO 1479:1994 Hexagon head tapping screws, published by the European
8、 Committee for Standardization (CEN). It is identical with ISO 1479:1983, published by the International Organization for Standardization (ISO). EN ISO 1479:1994 was produced as a result of international discussions in which the United Kingdom took an active part. The references clause of EN ISO 147
9、9 states that the International Standards ISO 3269 and ISO 4042 are at the stage of draft. These were subsequently published as follows: ISO 3269:1988, Fasteners Acceptance inspection. ISO 4042:1989, Threaded components Electroplated coatings. A British Standard does not purport to include all the n
10、ecessary 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 front cover, an inside front cover, pages i and ii, th
11、e EN ISO title page, pages 2 to 6, 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. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 14
12、79 July 1994 UDC 621.882.082.8 Descriptors: Screw threads, hexagonal head screws, tapping screws, dimensions English version Hexagon head tapping screws (ISO 1479:1983) Vis tle tte hexagonale (ISO 1479:1983) Sechskant-Blechschrauben (ISO 1479:1983) This European Standard was approved by CEN on 1994-
13、06-20. 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 references concerning such national standards may be obtain
14、ed on application to the Central Secretariat 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 Central Secret
15、ariat has the same status as the official versions. CEN members are the national standards 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
16、for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1994 Copyright reserved to CEN members Ref. No. EN ISO 1479:1994 E EN ISO 1479:1994 BSI 07-1999 2 Foreword This European Standard has been taken over by the Tech
17、nical Committee CEN/TC 185, Threaded and non-threaded mechanical fasteners and accessories, from the work of ISO/TC 2, Fasteners, of the International Organization for Standardization (ISO). This European Standard shall be given the status of a national standard, either by publication of an identica
18、l text or by endorsement, at the latest by December 1994, and conflicting national standards shall be withdrawn at the latest by January 1995. According to the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland,
19、 France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. NOTENormative references to international publications are listed in Annex ZA (normative). Contents Page Foreword2 1Scope and field of application3 2References
20、3 3Dimensions4 4Specifications and reference International Standards5 5Designation5 Annex ZA (normative) Normative references to international publications with their relevant European publications6 EN ISO 1479:1994 BSI 07-19993 1 Scope and field of application This International Standard specifies
21、the characteristics of hexagon head tapping screws with thread sizes from ST 2,2 to ST 9,5 inclusive. 2 References ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and designations of dimensions. ISO 1478, Tapping screws thread. ISO 2702, Heat-treated steel tapping screws Mechanical properti
22、es. ISO 3269, Fasteners Acceptance inspection1). ISO 4042, Threaded components Electroplated coatings components1). ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws and nuts with thread diameters W 1,6 and u 150 mm and product grades A, B and C. 1) At present at the stage of draft. EN ISO
23、1479:1994 4 BSI 07-1999 3 Dimensions Dimensions in millimetres Thread sizeST 2,2ST 2,9ST 3,5ST 4,2ST 4,8ST 5,5ST 6,3ST 8ST 9,5 Pa0,81,11,31,41,61,81,82,12,1 abmax. 0,81,11,31,41,61,81,82,12,1 damax. 2,83,54,14,95,56,37,19,210,7 s max. 3,255,5788101316 min. 3,024,825,326,787,787,789,7812,7315,73 emin
24、. 3,385,45,967,598,718,7110,9514,2617,62 k max. 1,62,32,633,84,14,767,5 min. 1,322,32,63,33,64,15,26,5 kmin. 0,91,41,61,82,32,52,93,64,5 rmin. 0,10,10,10,20,20,250,250,40,4 yref.c Type C 22,63,23,74,3567,58 Type F 1,62,12,52,83,23,63,64,24,2 ld Type CType F nom.min.max.min.max. 4,53,75,33,74,5 6,55,
25、77,35,76,5 9,58,710,38,79,5 1312,213,812,213 1615,216,815,216Range 1918,219,818,219of 2221,222,820,722commercial 2524,225,823,725lengths 3230,733,330,732 3836,739,336,738 4543,746,343,545 5048,751,348,550 a P = pitch of the thread. b Distance from the underside of the head to the first major diamete
26、r of the thread within the specified limits. c Length of incomplete thread. d Sizes with lengths marked with a dash () in the table shall not be manufactured. EN ISO 1479:1994 BSI 07-19995 4 Specifications and reference International Standards 5 Designation Example for the designation of a hexagon h
27、ead tapping screw with thread size ST 3,5, nominal length l = 16 mm and cone end type C: Tapping screw ISO 1479 ST 3,5 16 C MaterialSteel, according to ISO 2702 ThreadAccording to ISO 1478 Mechanical propertiesAccording to ISO 2702 Tolerances Product gradeA International StandardISO 4759-1 Plain Fin
28、ish Requirements for electroplating are covered in ISO 4042. If different electroplating requirements are desired or if requirements are needed for other finishes, they should be negotiated between customer and supplier. AcceptabilityFor acceptance procedure see ISO 3269. EN ISO 1479:1994 6 BSI 07-1
29、999 Annex ZA (normative) Normative references to international publications with their relevant European publications This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and
30、the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (inc
31、luding amendments). PublicationYearTitleEN/HDYear ISO 2251983Fasteners Bolts, screws, studs and nuts Symbols and designations of dimensions EN 202251991 ISO 14781983Tapping screws threadEN ISO 14781994 BS EN ISO 1479:1995 BSI 07-1999 National annex NA (informative) Committees responsible The United
32、Kingdom participation in the preparation of this European Standard was entrusted by the Engineering Sector Board (E/-) to Technical Committee GME/9, upon which the following bodies were represented: BEAMA Ltd. British Constructional Steelwork Association Ltd. British Industrial Fasteners Federation
33、British Steel Industry British Steel Industry (Wire Section) Gauge and Tool Makers Association National Association of Fastener Stockholders Society of Motor Manufacturers and Traders Ltd. Washer Manufacturers Association of Great Britain The following bodies also participated in the preparation of
34、the standard, through subcommittees and panels: British Plastics Federation Portable Electric Tool Manufacturers Association Small Electrical Appliances Marketing Association Timber Trade Federation National annex NB (informative) Cross-references Publication referred toCorresponding British Standar
35、d ISO 225:1983BS EN 20225:1992 Fasteners Bolts, screws, studs and nuts Symbols and designations of dimensions ISO 1478:1983BS EN ISO 1478:1995 Tapping screw threads ISO 2702:1992BS EN ISO 2702:1995 Heat-treated tapping screws Mechanical properties ISO 4759-1:1978BS 6322 Tolerances for fasteners Part
36、 1:1982 Specification for tolerances of bolts, screws and nuts with thread diameters U 1.6 mm and k 150 mm and product grades A, B and C BS EN ISO 1479:1995 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing Briti
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