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1、a Date: 14 December 2007 Origin: International Latest date for receipt of comments: 31 March 2008 Project no.: 2007/03327 Responsible committee: MTE/15 Hand tools Interested committees: Title: Draft BS ISO 3318 Assembly tools for screws and nuts Double-headed open-ended wrenches, double- headed box
2、wrenches and combination wrenches Maximum widths of heads Supersession information: If this document is published as a standard, the UK implementation of it will supersede NONE and partially supersede. NONE If you are aware of a current national standard which may be affected, please notify the secr
3、etary (contact details below). WARNING: THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 31 March 2008. This draft is issued to allow comments from interested parties; all comments will be given consideration prior to publication. No acknowledg
4、ement will normally be sent. See overleaf for information on commenting. No copying is allowed, in any form, without prior written permission from BSI except as permitted under the Copyright, Designs and Patent Act 1988 or for circulation within a nominating organization for briefing purposes. Elect
5、ronic circulation is limited to dissemination by e-mail within such an organization by committee members. Further copies of this draft may be purchased from BSI Customer Services, Tel: +44(0) 20 8996 9001 or email ordersbsi-. British, International and foreign standards are also available from BSI C
6、ustomer Services. Information on the co-operating organizations represented on the committees referenced above may be obtained from the responsible committee secretary. Cross-references The British Standards which implement International or European publications referred to in this draft may be foun
7、d via the British Standards Online Service on the BSI web site http:/www.bsi-. Direct tel: 020 8996 7009 Responsible Committee Secretary: Committee Service Centre (BSI) E-mail: cscbsi- Draft for Public Comment Head Office 389 Chiswick High Road London W4 4AL Telephone: +44(0)20 8996 9000 Fax: +44(0)
8、20 8996 7001 Form 36 Version 7.0 DPC: 07/30175139 DC Licensed Copy: London South Bank University, London South Bank University, Wed Jan 02 02:12:32 GMT+00:00 2008, Uncontrolled Copy, (c) BSI b Introduction This draft standard is based on international discussions in which the UK has taken an active
9、part. Your comments on this draft are invited and will assist in the preparation of the consequent standard. Comments submitted will be reviewed by the relevant BSI committee before sending the consensus UK vote and comments to the international secretariat, which will then decide appropriate action
10、 on the draft and the comments received. If no comments are received to the contrary, then the UK will approve this draft. If the international standard is approved, it is possible the text will be published as an identical British Standard. UK Vote Please indicate whether you consider the UK should
11、 submit a negative (with reasons) or positive vote on this draft. Submission The guidance given below is intended to ensure that all comments receive efficient and appropriate attention by the responsible BSI committee. Annotated drafts are not acceptable and will be rejected. All comments must be s
12、ubmitted, preferably electronically, to the Responsible Committee Secretary at the address given on the front cover. Comments should be compatible with Version 6.0 or Version 97 of Microsoft Word for Windows, if possible; otherwise comments in ASCII text format are acceptable. Any comments not submi
13、tted electronically should still adhere to these format requirements. All comments submitted should be presented as given in the example below. Further information on submitting comments and how to obtain a blank electronic version of a comment form are available from the BSI web site at: http:/www.
14、bsi- Template for comments and secretariat observations Date: xx/xx/200x Document: ISO/DIS xxxxx 1 2 (3) 4 5 (6) (7) MB Clause No./ Subclause No./ Annex (e.g. 3.1) Paragraph/ Figure/Table/ Note (e.g. Table 1) Type of com- ment Comment (justification for change) by the MB Proposed change by the MB Se
15、cretariat observations on each comment submitted 3.1 Definition 1 ed Definition is ambiguous and needs clarifying. Amend to read . so that the mains connector to which no connection . 6.4 Paragraph 2 te The use of the UV photometer as an alternative cannot be supported as serious problems have been
16、encountered in its use in the UK. Delete reference to UV photometer. Microsoft and MS-DOS are registered trademarks, and Windows is a trademark of Microsoft Corporation. Licensed Copy: London South Bank University, London South Bank University, Wed Jan 02 02:12:32 GMT+00:00 2008, Uncontrolled Copy,
17、(c) BSI THIS DOCUMENT IS A DRAFT CIRCULATED FOR COMMENT AND APPROVAL. IT IS THEREFORE SUBJECT TO CHANGE AND MAY NOT BE REFERRED TO AS AN INTERNATIONAL STANDARD UNTIL PUBLISHED AS SUCH. IN ADDITION TO THEIR EVALUATION AS BEING ACCEPTABLE FOR INDUSTRIAL, TECHNOLOGICAL, COMMERCIAL AND USER PURPOSES, DR
18、AFT INTERNATIONAL STANDARDS MAY ON OCCASION HAVE TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL TO BECOME STANDARDS TO WHICH REFERENCE MAY BE MADE IN NATIONAL REGULATIONS. RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY
19、ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION. DRAFT INTERNATIONAL STANDARD ISO/DIS 3318 International Organization for Standardization, 2007 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION ISO/TC 29/SC 10 Voting begins on: 2007-12-12 Secretariat: DIN
20、Voting terminates on: 2008-05-12 Assembly tools for screws and nuts Double-headed open-ended wrenches, double-headed box wrenches and combination wrenches Maximum widths of heads Outils de manuvre pour vis et crous Cls fourche doubles, cls polygonales doubles, et cls mixtes Largeurs maximales dencom
21、brement des ttes Revision of third edition (ISO 3318:1990) ICS 25.140.30 To expedite distribution, this document is circulated as received from the committee secretariat. ISO Central Secretariat work of editing and text composition will be undertaken at publication stage. Pour acclrer la distributio
22、n, le prsent document est distribu tel quil est parvenu du secrtariat du comit. Le travail de rdaction et de composition de texte sera effectu au Secrtariat central de lISO au stade de publication. Licensed Copy: London South Bank University, London South Bank University, Wed Jan 02 02:12:32 GMT+00:
23、00 2008, Uncontrolled Copy, (c) BSI ISO/DIS 3318 ii ISO 2007 All rights reserved PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to
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28、he country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Reproduction may be subject to royalty payments or a licensing agreement. Violators may be prosecuted. Licensed Copy: London South
29、Bank University, London South Bank University, Wed Jan 02 02:12:32 GMT+00:00 2008, Uncontrolled Copy, (c) BSI ISO/DIS 3318 ISO 2007 All rights reserved iii Contents Page Foreword iv 1 Scope1 2 Normative references1 3 Maximum outside head dimensions1 4 Technical specifications.2 Bibliography3 Figures
30、 Figure 1 Open-ended wrench .1 Figure 2 Box wrench1 Tables Table 1 Maximum outside head dimensions.2 Licensed Copy: London South Bank University, London South Bank University, Wed Jan 02 02:12:32 GMT+00:00 2008, Uncontrolled Copy, (c) BSI ISO/DIS 3318 iv ISO 2007 All rights reserved Foreword ISO (th
31、e International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committ
32、ee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechn
33、ical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member
34、bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. ISO 3318 was prepared by Technical Committee ISO/TC 29, Small tools, Subcommittee SC 10, Assembly tools for screws and nuts, pliers and nippers. This forth edition canc
35、els and replaces the third edition (ISO 3318:1990), Table 1 of which has been technically revised according to ISO 272, as well as a clause “Technical specifications“ has been added. Licensed Copy: London South Bank University, London South Bank University, Wed Jan 02 02:12:32 GMT+00:00 2008, Uncont
36、rolled Copy, (c) BSI DRAFT INTERNATIONAL STANDARD ISO/DIS 3318 ISO 2007 All rights reserved 1 Assembly tools for screws and nuts Double-headed open- ended wrenches, double-headed box wrenches and combination wrenches Maximum widths of heads 1 Scope This International Standard specifies the maximum o
37、utside head dimensions for double-headed open-ended wrenches, double-headed ring wrenches and combination wrenches, listed in ISO 1703 under reference Nos. 1 1 01 02 0, 1 1 01 05 0, 1 1 01 06 0, 1 1 02 03 0, 1 1 02 04 0, 1 1 02 05 0, 1 1 02 06 0. 2 Normative references The following referenced docum
38、ents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 272, Fasteners Hexagon products Width across flats ISO 691, Assembly tools
39、for screws and nuts Wrench and socket openings Tolerances for general use ISO 1711-1, Assembly tools for screws and nuts Technical specifications Part 1: Hand-operated wrenches and sockets 3 Maximum outside head dimensions See Figures 1 and 2 and Table 1. NOTE The drawings are schematic and are not
40、to intended to specify a given design; only the given dimensions shall be complied. Figure 1 Open-ended wrench Figure 2 Box wrench Licensed Copy: London South Bank University, London South Bank University, Wed Jan 02 02:12:32 GMT+00:00 2008, Uncontrolled Copy, (c) BSI ISO/DIS 3318 2 ISO 2007 All rig
41、hts reserved Table 1 Maximum outside head dimensions Dimensions in millimetres Nominal width across flats sa b1b max. b2c max. 3,2 14 7 4 15 8 5 18 10 5,5 19 10,5 7 22 12,5 8 24 14 10 28 17 11 30 18,5 13 34 21,5 15 39 24,5 16 41 26 18 45 29 21 51 33,5 24 57 38 27 64 42,5 30 70 47 34 78 53 36 83 56 4
42、1 93 63,5 46 104 71 50 112 77 55 123 84,5 60 133 92 a Width across flats according to ISO 272; tolerances according to ISO 691. b b1 max. 2,1 s + 7 c b2 max. 1,5 s + 2 4 Technical specifications The technical specifications shall be in accordance with ISO 1711-1. Licensed Copy: London South Bank Uni
43、versity, London South Bank University, Wed Jan 02 02:12:32 GMT+00:00 2008, Uncontrolled Copy, (c) BSI ISO/DIS 3318 ISO 2007 All rights reserved 3 Bibliography 1 ISO 1703, Assembly tools for screws and nuts Designation and nomenclature Licensed Copy: London South Bank University, London South Bank University, Wed Jan 02 02:12:32 GMT+00:00 2008, Uncontrolled Copy, (c) BSI