BS-6040-1981 ISO-1891-1979.pdf
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1、BRITISH STANDARD BS 6040:1981 ISO 1891:1979 Nomenclature for bolts, screws, nuts and accessories ISO title: Bolts, screws, nuts and accessories Terminology and nomenclature UDC 621.882:001.4 Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 00:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS
2、 6040:1981 This British Standard, having been prepared under the direction of the Mechanical Engineering Standards Committee, was published under the authority of the Executive Board and comes into effect on 30 January 1981 BSI 12-1999 The following BSI references relate to the work on this standard
3、: Committee reference MEE/60 Draft for comment 77/72065 DC ISBN 0 580 11770 7 Cooperating organizations The Mechanical Engineering Standards Committee, under whose direction this British Standard was prepared, consists of representatives from the following: The organizations marked with an asterisk
4、in the above list, together with the following, were directly represented on the Technical Committee entrusted with the preparation of this British Standard: Associated Offices Technical CommitteeDepartment of Trade (Marine Division) Association of Consulting EngineersDepartment of Transport Associa
5、tion of Hydraulic EquipmentElectricity Supply Industry in England and ManufacturersWales Association of Mining Electrical andEngineering Equipment Users Association Mechanical EngineersFederation of Manufacturers of Construction British Compressed Air SocietyEquipment and Cranes British Electrical a
6、nd Allied ManufacturersHealth and Safety Executive Association (BEAMA)*Institution of Gas Engineers British Gas CorporationInstitution of Mechanical Engineers British Gear Manufacturers AssociationInstitution of Plant Engineers British Internal Combustion EngineInstitution of Production Engineers* M
7、anufacturers Association*Lloyds Register of Shipping British Pump Manufacturers AssociationLondon Transport Executive British Steel CorporationMachine Tool Industry Research Association British Steel Industry*Ministry of Defence* British Valve Manufacturers Association Ltd.National Coal Board* Cbmpe
8、Oil Companies Materials Association Chartered Institution of Building ServicesProcess Plant Association Crown Agents for Oversea Governments andSociety of Motor Manufacturers and Traders AdministrationsLimited* Department of the Environment (PSA)Telecommunication Engineering and Department of Indust
9、ry (Mechanical Manufacturing Association (TEMA)* Engineering) Department of Industry (National Engineering Laboratory)* British Constructional Steelwork AssociationElectronic Engineering Association British Industrial Fasterners FederationFederation of British Hand Tool Manufacturers British Railway
10、s BoardWasher Manufacturers Association of Great British Steel Industry (Wire Section)Britain Amendments issued since publication Amd. No.Date of issueComments Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 00:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6040:1981 BSI 12-1999i Content
11、s Page Cooperating organizationsInside front cover National forewordii 1Scope and field of application1 2Screw threads2 3Shapes of heads4 4Forms of shank7 5Screw and bolt ends8 6Driving features11 7Hexagon bolts and screws14 8Hexagon socket head cap screws16 9Square head bolts17 10Triangle head bolt
12、s18 11Octagonal head bolts19 1212 point screws20 13T-head bolts21 14Round head bolts22 15Countersunk flat bolts23 16Slotted head screws24 17Cross recessed head screws27 18Screws with captive components28 19Miscellaneous bolts and screws29 20Screw plugs32 21Studs33 22Headless screws34 23Slotted and h
13、exagon socket set screws35 24Self-tapping screws37 25Wood screws39 26Thread cutting (metallic drive) screws41 27Thread forming screws (thread formed by deformation)42 28Hexagon nuts43 29Square nuts44 30Triangle nuts45 31Octagon and pentagon nuts45 3212 point nuts (bihexagonal nuts)46 33Prevailing to
14、rque nuts46 34Slotted castle nuts47 35Cap nuts48 36Miscellaneous round nuts49 37Other miscellaneous nuts50 38Washers51 39Spring washers52 40Tab washers54 41Split pins55 Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 00:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6040:1981 ii BSI 12-1
15、999 National foreword This British Standard, which has been prepared under the direction of the Mechanical Engineering Standards Committee, is identical With ISO 1891:1979 “Bolts, screws, nuts and accessories Terminology and nomenclature” published by the International Organization for Standardizati
16、on (ISO). The United Kingdom has taken an active part in the work of Technical Committee ISO/TC 2, Fasteners. In publishing ISO 1891 as a British Standard it has been accepted that the terms included are the result of the differing requirements of the many countries involved. It is hoped that this f
17、irst edition will provide a useful basis for international fastener terminology and that amendments incorporated in the future as a result of its use will greatly increase its value as an international reference standard. Terminology and conventions. The text of the International Standard has been a
18、pproved as suitable for publication, without deviation, as a British Standard. Some terminology and certain conventions are not identical with those used in British Standards; attention is especially drawn to the following. Where the words “International Standard” appear, referring to this standard,
19、 they should be read as “British Standard”. Additional information. When adopting the text of this International Standard, the omission given below was noticed. It has been reported to ISO in a proposal to amend the text of the International Standard. An asterisk and its associated footnote has been
20、 omitted from the entry for item no. 6.13. Therefore that entry should be read as if there were an asterisk against the item no. and with the following footnote: “The name “Pozidriv” is a registered trade mark”. A British Standard does not purport to include all the necessary provisions of a contrac
21、t. 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, pages 1 to 55 and a back cover. Th
22、is 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. Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 00:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6040:1981 BSI 12-19991 Li
23、censed Copy: sheffieldun sheffieldun, na, Tue Dec 05 00:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6040:1981 2 BSI 12-1999 Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 00:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6040:1981 BSI 12-19993 Licensed Copy: sheffieldun sheffiel
24、dun, na, Tue Dec 05 00:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6040:1981 4 BSI 12-1999 Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 00:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6040:1981 BSI 12-19995 Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 00:55:24 GMT+
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