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BS EN 27434-1992 Slotted set screws with cone point《一字槽锥端紧定螺钉》.pdf

1、BRITISH STANDARD BS EN 27434:1992 ISO 7434:1983 Slotted set screws with cone point The European Standard EN 27434:1992has the status of a British Standard UDC 621.882.219.71.092.5BSEN27434:1992 This British Standard, having been prepared under the directionof the General Mechanical Engineering Stand

2、ards Policy Committee, waspublished under the authorityof the Standards Boardand comes intoeffecton 15October1992 BSI 11-1999 The following BSI references relate to the work on this standard: Committee reference GME/9 Draft for comment 82 70266 DC ISBN 0 580 21295 5 Cooperating organizations The Eur

3、opean 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 Standardiseringsraad Fin

4、land 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 Italiano di

5、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 Switzerland Ass

6、ociation suisse de normalisation United Kingdom British Standards Institution Amendments issued since publication Amd. No. Date CommentsBSEN27434:1992 BSI 11-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Text of EN 27434 3 National annex NA (inform

7、ative) Committees responsible Inside back cover National annex NB (informative) Cross-references Inside back coverBSEN27434:1992 ii BSI 11-1999 National foreword This British Standard has been prepared under the direction of the General Mechanical Engineering Standards Policy Committee and is the En

8、glish language version of EN27434:1992 Slotted set screws with cone point, published by the European Committee for Standardization (CEN). It is identical with ISO7434:1983, published by the International Organization for Standardization (ISO). EN27434:1992was produced as a result of international di

9、scussions in which the United Kingdom took an active part. BS4219-2:1985which was identical with ISO7434:1983is 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 necessary pro

10、visions 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, theEN title pa

11、ge, pages 2to 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 27434 July 1992 UDC 621.8

12、82.219.71.092.5 Descriptors: Fasteners, screws, set screws, specifications, dimensions, dimensional tolerances, designation English version Slotted set screws with cone point (ISO 7434:1983) Vis sans tte, fendues, bout pointu (ISO 7434:1983) Gewindestifte mit Schlitz und Spitze (ISO 7434:1983) This

13、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 references con

14、cerning 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 member into its ow

15、n 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, Sweden, Switzerlan

16、d 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 27434:1992 EEN27434:1992 BSI 11-1999 2 Foreword In1992, CEN Techn

17、ical 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 ISO7434:1983 “Slotted set screws with cone point” to the formal vote procedure. The result was positive. In the countries bou

18、nd to implement this European Standard a national standard identical to this European Standard shall be published at the latest by1993-01-31and conflicting national standards shall be withdrawn at the latest by1993-01-31. According to the CEN/CENELEC Common Rules the following countries are bound to

19、 implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Spain, Portugal, Sweden, Switzerland and UnitedKingdom. Contents Page Foreword 2 1 Scope and field of application 3 2 References 3 3 Dimensions 4

20、4 Specifications and reference International Standards 5 5 Designation 5EN27434:1992 BSI 11-1999 3 1 Scope and field of application This International Standard specifies the characteristics of slotted set screws with cone point and thread sizes from M1,2to M12inclusive and product grade A. If other

21、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 ISO225, Fasteners Bolts, screws, studs and nuts Symbols and designations of dimensions. ISO 261, ISO general

22、 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 Acceptance inspection 1) . ISO 35

23、06, 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 with thread diameters W 1,6 an

24、d u 150mm and product grades A, B and C. 1) At present at the stage of draft.EN27434:1992 4 BSI 11-1999 3 Dimensions 1)Sizes in brackets should be avoided if possible. 2)P = pitch of the thread. 3)u M5no flat part on the cone required; the point may be slightly rounded. 4)Min. and max. values accord

25、ing to ISO4759-1, but rounded to one decimal place.EN27434:1992 BSI 11-1999 5 4 Specifications and reference International Standards 5 Designation Example for the designation of a slotted set screw with cone point, thread size d = M5, nominal length l = 12mm and property class14H: Set screw ISO 7434

26、 M5 12 14H Material Steel Stainless steel Non-ferrous metal Thread Tolerance 6g International Standards ISO261, ISO965 Mechanical properties Property class 14H, 22H A1 50 a International Standards ISO898-5 ISO3506 Tolerances Product grade A International Standard ISO4759-1 Finish Plain Requirements

27、for electroplating are covered in ISO4042. 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 Inter

28、national Standard.6 blankBSEN27434:1992 BSI 11-1999 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

29、, upon which the following bodies were 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 o

30、f Motor Manufacturers and Traders Ltd. 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 As

31、sociation of Fastener Stockholders National annex NB (informative) Cross-references Publication referred to Corresponding British Standard ISO225:1983 BS EN20225:1992 Fasteners Bolts, screws, studs and nuts Symbols and designations of dimensions ISO261:1973 BS3643ISO metric screw threads Part1:1981

32、Principles and basic data ISO888:1976 BS7345:1990 Specification for nominal lengths of bolts, screws and studs and thread lengths for general purpose bolts ISO3506:1979 BS6105:1981 Specification for corrosion-resistant stainless steel fasteners ISO4753:1983 BS6567:1985 Specification for ends of fast

33、eners with external metric ISO thread ISO4759-1:1978 BS6322 Tolerances for fasteners Part1:1982 Specification for tolerances of bolts, screws and nuts with thread diameters U 1.6mm and k 150mm and product grades A, B and CBS EN 27434:1992 ISO 7434:1983 BSI 389 Chiswick High Road London W4 4AL BSIBri

34、tishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of Brit

35、ishStandards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the t

36、echnical committee responsible, the identity of which can be found on the inside front cover. Tel:02089969000. Fax:02089967400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders

37、 for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel:02089969001. Fax:02089967001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as BritishStandards, unles

38、s otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its pro

39、ducts and services. Contact the Information Centre. Tel:02089967111. Fax:02089967048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administra

40、tion. Tel:02089967002. Fax:02089967001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced,

41、stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or

42、 grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel:02089967070.

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