1、BRITISH STANDARD BS EN 27435:1992 ISO 7435:1983 Slotted set screws with long dog point The European Standard EN27435:1992 has the status of a British Standard UDC 621.882.219.71.092.5BSEN27435:1992 This British Standard, having been prepared under the directionof the General Mechanical Engineering S
2、tandards Policy Committee,waspublished underthe authority of the Standards Board and comesintoeffect on 15 October 1992 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference GME/9 Draft for comment 82/70266 DC ISBN 0 580 21294 7 Cooperating organizations T
3、he European Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following countries: Austria Oesterreichisches Normungsinstitut Belgium Institut belge de normalisation Denmark Dansk Standardiseringsra
4、ad Finland Suomen Standardisoimisliito, r.y. France Association franaise de normalisation Germany Deutsches Institut fr Normung e.V. Greece Hellenic Organization for Standardization Iceland Technological Institute of Iceland Ireland National Standards Authority of Ireland Italy Ente Nazionale Italia
5、no di Unificazione Luxembourg Inspection du Travail et des Mines Netherlands Nederlands Normalisatie-instituut Norway Norges Standardiseringsforbund Portugal Instituto Portugus da Qualidade Spain Asociacin Espaola de Normalizacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerla
6、nd Association suisse de normalisation United Kingdom British Standards Institution Amendments issued since publication Amd. No. Date CommentsBSEN27435:1992 BSI 10-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Text of EN 27435 3 National annex NA (
7、informative) Committees responsible Inside back cover National annex NB (informative) Cross-references Inside back coverBSEN27435:1992 ii BSI 10-1999 National foreword This British Standard has been prepared under the direction of the General Mechanical Engineering Standards Policy Committee and is
8、the English language version of EN27435:1992 Slotted set screws with long dog point, published by the European Committee for Standardization (CEN). It is identical with ISO7435:1983, published by the International Organization for Standardization (ISO). EN27435:1992 was produced as a result of inter
9、national discussions in which the United Kingdom took an active part. BS4219-3:1985 which was identical with ISO7435:1983 is now superseded by this British Standard and has been withdrawn in accordance with the CEN/CENELEC Internal Regulations. A British Standard does not purport to include all the
10、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 front cover, an inside front cover, pages i and ii, t
11、heEN 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 27435 July
12、1992 UDC 621.882.219.71.092.4 Descriptors: Fasteners, screws, set screws, specifications, dimensions, dimensional tolerances, designation English version Slotted set screws with long dog point (ISO7435:1983) Vis sans tte, fendues, tton long (ISO 7435:1983) Gewindestifte mit Schlitz und Zapfen (ISO 7
13、435:1983) This European Standard was approved by CEN on1992-07-17. 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
14、 references concerning such national standards may be obtained 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 mem
15、ber into its own language and notified to the Central Secretariat 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, Swe
16、den, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1992 Copyright reserved to CEN members Ref. No. EN 27435:1992 EEN27435:1992 BSI 10-1999 2 Foreword In
17、 1992, CEN Technical Committee CEN/TC185 “Threaded and non threaded mechanical fasteners and accessories” the secretariat of which is held by DIN decided to submit the International Standard ISO7435:1983 “Slotted set screws with long dog point” to the formal vote procedure. The result was positive.
18、In the countries bound to implement this European Standard a national standard identical to this European Standard shall be published at the latest by1993-01-31 and conflicting national standards shall be withdrawn at the latest by1993-01-31. According to the CEN/CENELEC Common Rules the following c
19、ountries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Spain, Portugal, Sweden, Switzerland and United Kingdom. Contents Page Foreword 2 1 Scope and field of application 3 2 Refere
20、nces 3 3 Dimensions 4 4 Specifications and reference International Standards 5 5 Designation 5EN27435:1992 BSI 10-1999 3 1 Scope and field of application This International Standard specifies the characteristics of slotted set screws with long dog point and thread sizes from M1,6 to M12 inclusive an
21、d product grade A. If other specifications are required, it is recommended that they should be selected from existing International Standards, for example ISO261, ISO888, ISO898, ISO965, ISO3506, ISO4759-1. 2 References ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and designations of dim
22、ensions. 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. ISO 898, Mechanical properties of fasteners. ISO 965, ISO general purpose metric screw threads Tolerances. ISO 3269, Fasteners Acce
23、ptance inspection 1) . ISO 3506, Corrosion-resistant stainless steel fasteners Specifications. ISO 4042, Threaded components Electroplated coatings components 1) . ISO 4753, Fasteners Ends of parts with external metric ISO thread. ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws and nuts w
24、ith thread diameters W 1,6 and u 150mm and product grades A, B and C. 1) At present at the stage of draft.EN27435:1992 4 BSI 10-1999 3 Dimensions 1) Sizes in brackets should be avoided if possible. 2) P = pitch of the thread. 3) Min. and max. values according to ISO4759-1, but rounded to one decimal
25、 place.EN27435:1992 BSI 10-1999 5 4 Specifications and reference International Standards 5 Designation Example for the designation of a slotted set screw with long dog point, thread size d = M5, nominal length l = 12mm and property class 14H: Set screw ISO7435 M5 12 14H Material Steel Stainless stee
26、l Non-ferrous metal Thread Tolerance 6g International Standards ISO261, ISO965 Mechanical properties Property class 14H, 22H A1 50 a International Standards ISO 898-5 ISO 3506 Tolerances Product grade A International Standard ISO 4759-1 Finish Plain Requirements for electroplating are covered in ISO
27、4042. If different electroplating requirements are desired or if requirements are needed for other finishes, they should be negotiated between supplier and customer. Acceptability The acceptance procedure is covered in ISO3269. a Will be covered in a future International Standard.6 blankBSEN27435:19
28、92 BSI 10-1999 National annex NA (informative) Committees 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 wer
29、e represented: BEAMA Ltd. British Constructional Steelwork 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
30、. Washer Manufacturers Association of Great Britain The following bodies also participated in the preparation of the standard, through subcommittees and panels: British Furniture Manufacturers Federation British Independent Steel Producers Association National Association of Fastener Stockholders Na
31、tional annex NB (informative) Cross-references Publication referred to Corresponding British Standard ISO 225:1983 BS EN 20225:1992 Fasteners Bolts, screws, studs and nuts Symbols and designations of dimensions ISO 261:1973 BS 3643 ISO metric screw threads Part 1:1981 Principles and basic data ISO 8
32、88:1976 BS 7345:1990 Specification for nominal lengths of bolts, screws and studs and thread lengths for general purpose bolts ISO 3506:1979 BS 6105:1981 Specification for corrosion-resistant stainless steel fasteners ISO 4753:1983 BS 6567:1985 Specification for ends of fasteners with external metri
33、c ISO thread ISO 4759-1:1978 BS 6322 Tolerances for fasteners Part 1:1982 Specification for tolerances of bolts, screws and nuts with thread diameters U 1.6mm and k 150mm and product grades A, B and CBSEN 27435:1992 ISO 7435:1983 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitutio
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