BS-ISO-7041-1997.pdf
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1、BRITISH STANDARD BS ISO 7041:1997 Prevailing torque type hexagon nuts (with non-metallic insert), style 2 Property classes 9 and 12 ICS 21.060.20 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 06:04:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 7041:1997 This British Standard, having
2、been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 December 1997 BSI 05-1999 ISBN 0 580 29447 1 National foreword This British Standard reproduces verbatim ISO 7041:1997 and implements it as the UK n
3、ational standard. The UK participation in its preparation was entrusted by Technical Committee FME/9, Bolts, nuts and accessories, to Subcommittee FME/9/10, Male and female prevailing torque fasteners, which has the responsibility to: aid enquirers to understand the text; present to the responsible
4、international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on reques
5、t to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the
6、 BSI Standards Electronic Catalogue. A British 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. Summ
7、ary of pages This document comprises a front cover, an inside front cover, pages i and ii, the ISO title page, page ii, pages 1 to 4 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 in
8、side front cover. Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 06:04:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 7041:1997 BSI 05-1999i Contents Page National forewordInside front cover Forewordii 1Scope1 2Normative referenc
9、es 1 3Dimensions2 4Requirements and reference International Standards3 5Designation3 Annex A (informative) Bibliography 4 Figure 12 Table 1 Dimensions2 Table 2 Requirements and reference International Standards3 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 06:04:06 GMT+00:00 2006, Uncontro
10、lled Copy, (c) BSI ii blank Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 06:04:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 06:04:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 7041:1997 ii BSI 05-1999 Foreword ISO (the Internat
11、ional 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 committee has bee
12、n 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 electrotechnical stand
13、ardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 7041 was prepared by Technical Com
14、mittee ISO/TC2, Fasteners, Subcommittee SC 1, Mechanical properties of fasteners. This second edition cancels and replaces the first edition (ISO 7041:1983), which has been technically revised. Annex A of this International Standard is for information only. Descriptors: Fasteners, nuts (fasteners),
15、self-locking nuts, hexagonal nuts, specifications, dimensions, designation. Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 06:04:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 7041:1997 BSI 05-19991 1 Scope This International Standard specifies the characteristics of prevailing torque
16、type hexagon nuts (with non-metallic annular insert), style 2, with threads from M5 up to and including M36, in product grade A for threads up to and including M16 and product grade B for threads above M16, and with property classes 9 and 12. NOTEThe dimensions of the nuts, with the exception of the
17、 diameter mw, correspond to those given in ISO 4033 plus prevailing torque feature. If other specifications are required, they should be selected from existing International Standards, for example ISO 261, ISO 965-2, ISO 2320 and ISO 4759-1. 2 Normative references The following standards contain pro
18、visions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the
19、possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 225:1983, Fasteners Bolts, screws, studs and nuts Symbols and designations of dimensions. ISO 261:, ISO general purpose metric
20、screw threads General plan1). ISO 965-2:, ISO general purpose metric screw threads Tolerances Part 2: Limits of sizes for general purpose bolt and nut threads Medium quality2). ISO 2320:1997, Prevailing torque type steel hexagon nuts Mechanical and performance properties. ISO 3269:1988, Fasteners Ac
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