BS EN ISO 4027-2003 Hexagon socket set screws with cone point《内六角锥端紧定螺钉》.pdf

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1、BRITISH STANDARD BS EN ISO 4027:2003 Hexagon socket set screws with cone point The European Standard EN ISO 4027:2003 has the status of a British Standard ICS 21.060.10 BS EN ISO 4027:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 22 De

2、cember 2003 BSI 22 December 2003 ISBN 0 580 43198 3 National foreword This British Standard is the official English language version of EN ISO 4027:2003. It is identical with ISO 4027:2003. It supersedes BS 4168-3:1994 which is withdrawn. The UK participation in its preparation was entrusted by Tech

3、nical Committee FME/9, Nuts, bolts and accessories, to Subcommittee FME/9/8, Hexagon socket screws, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement internatio

4、nal or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport t

5、o include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any

6、 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. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO forew

7、ord page, the ISO title page, pages ii and iii, a blank page, pages 1 to 4, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENN

8、E EUROPISCHENORM ENISO4027 December2003 ICS21.060.10 Englishversion Hexagonsocketsetscrewswithconepoint(ISO4027:2003) Vissansttesixpanscreux,bouttronconique(ISO 4027:2003) GewindestiftemitInnensechskantmitSpitze(ISO 4027:2003) ThisEuropeanStandardwasapprovedbyCENon4November2003. CENmembersareboundto

9、complywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropea

10、nStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepubl

11、ic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050

12、Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO4027:2003EINESO04:7202(30E) 2 Foreword Thisdocument(ENISO4027:2003)hasbeenpreparedbyTechnicalCommitteeISO/TC2 “Fasteners“incollaborationwithTechnicalCommitteeCEN/TC185“Threadedandnon th

13、readedmechanicalfastenersandaccessories“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationof anidenticaltextorbyendorsement,atthelatestbyJune2004,andconflictingnational standardsshallbewithdrawnatthelatestbyJune2004. AccordingtotheCEN/

14、CENELECInternalRegulations,thenationalstandardsorganizationsof thefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Czech Republic,Denmark,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy, Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,Switzerla

15、ndand theUnitedKingdom. NOTEFROMCMC TheforewordissusceptibletobeamendedonreceptionoftheGerman languageversion.Theconfirmedoramendedforeword,andwhenappropriate,thenormative annexZAforthereferencestointernationalpublicationswiththeirrelevantEuropean publicationswillbecirculatedwiththeGermanversion. En

16、dorsementnotice ThetextofISO4027:2003hasbeenapprovedbyCENasENISO4027:2003withoutany modifications. ENISO4027:2003INTERNATIONAL STANDARD ISO 4027 Third edition 2003-12-01 Reference number ISO 4027:2003(E) OSI 2003 Hexagon socket set screws with cone point Vis sans tte six pans creux, bout tronconique

17、ENISO4027:2003ISO :7204(3002)E ii ISO 3002 All rithgs reresvde id FDPscalimer ThFDP si fam eliy ctnome niat deddebyepfa.sec In cacnadrociw eth sebodA sneciliycilop gn, thf siam elirp eb ytnide or viewb detu llahs ton tide ebed lnuet sst ehyfepcaa hcihw serdebme et desnecil era dedo tsni dnat no dell

18、ahpmoc eturep reformign ttide ehign. In odt gnidaolnwsih liferap ,tcca seitpe trehnie snopser ehtitiliby fo nto fnirA gnigniycilop gnisnecil sebod. Teh SItneC Olar Seerctraiat catpecs ibail ontily t nih.aera si Aebod t a sirramedak fo AsyS ebodtmeI snocrropta.de teDlias fo tfos ehtwcudorp erats t de

19、sutaerc ot esih FDP fb nac elif et ni dnuoG ehreneI lafnr oleative tt of eh;eli tP ehDF-rctaenoi temaraptpo erew sremizif deorp rinti.gn Evrey t neeb sah eracakt neo rusnee ttah tf ehtius si elibaf elosu re by ISO memdob rebsei. In eht kilnuyle evtne ttah a borplme rtaleit gno it si f,dnuo esaelp if

20、nrom thtneC erla ceSrteraita ta teh sserdda vigoleb new. IOS 3002 Alr lithgs reresv.de sselnU toesiwreh sficep,dei rap ont fo thbup silitaciam nocudorper eb yde or tuilidez na nif yorm ro by nam ysnae, tcelerm ro cinocinahcela, tohp gnidulcnicopom dna gniyicrfomli, tiwuoht repsimsi noin wrtif gnirti

21、e mohI reSO ta the asserdd ebwol or ISOmem sreb obyd t nitnuoc ehry fo teh euqertsre. SIc Oopyrigho tfifce saCsop etela 65 -HCG 1121eneva 02 T.le 22 14 + 10 947 11 Fxa + 22 14 0 94774 9 Eam-il ocpyrithgios.ogr Web wwwi.soo.rg ENISO4027:2003ISO 4027:2003(E) ISO 3002 r llAithgs reservde iii Foreword I

22、SO (the 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 c

23、ommittee 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 electr

24、otechnical 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 m

25、ember bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identi

26、fying any or all such patent rights. ISO 4027 was prepared by Technical Committee ISO/TC 2, Fasteners. This third edition cancels and replaces the second edition (ISO 4027:1993), which has been technically revised. ENISO4027:2003. vi 3002:7204OSINEANRETNIITOTS LANDNADRA OSI 2043002:7)E( ISO 3002 r l

27、lAithgs reservde 1 Hexagon socket set screws with cone point 1S c o p e This International Standard specifies the characteristics of hexagon socket set screws with cone point and threads from M1,6 up to and including M24 and of product grade A. If, in special cases, specifications other than those l

28、isted in this International Standard are required, they should be selected from existing International Standards, e.g. ISO 261, ISO 898-5, ISO 965-2, ISO 3506-3 and ISO 4759-1. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated

29、 references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and designations of dimensions ISO 261, ISO general-purpose metric screw threads General pla

30、n ISO 898-5, Mechanical properties of fasteners made of carbon steel and alloy steel Part 5: Set screws and similar threaded fasteners not under tensile stresses ISO 965-2, ISO general purpose metric screw threads Tolerances Part 2: Limits of sizes for general purpose external and internal screw thr

31、eads Medium quality ISO 965-3, ISO general purpose metric screw threads Tolerances Part 3: Deviations for constructional screw threads ISO 3269, Fasteners Acceptance inspection ISO 3506-3, Mechanical properties of corrosion-resistant stainless-steel fasteners Part 3: Set screws and similar fasteners

32、 not under tensile stress ISO 4042, Fasteners Electroplated coatings ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product grades A, B and C ISO 6157-1, Fasteners Surface discontinuities Part 1: Bolts, screws and studs for general requirements ISO 8839, Mechanical proper

33、ties of fasteners Bolts, screws, studs and nuts made of non-ferrous metals ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts ISO 10683, Fasteners Non-electrolytically applied zinc flake coatings ISO 23429, Gauging of hexagon sockets ENISO4027:2003ISO :7204(3002)E 2 ISO 3002

34、All rithgs reresvde 3 Dimensions See Figure 1 and Table 1. Symbols and designations of dimensions are specified in ISO 225. Permissible alternative form of socket For broached sockets which are at the maximum limit of size, the overcut resulting from drilling shall not exceed of the length of any fl

35、at of the socket which is . a The angle is a requirement for short-length screws of nominal length , situated in the shaded areas in Table 1. b The angle applies only to the portion of the point situated below the root diameter of the thread, and shall be for nominal lengths situated in the shaded a

36、reas in Table 1 and for all other lengths. c Incomplete thread . d A slight rounding or countersink at the mouth of the socket is permissible. Figure 1 1/3 e/2 120 l 120 90 u2P ENISO4027:2003OSI 2043002:7)E( ISO 3002 r llAithgs reservde 3 Table 1 Dimensions Dimensions in millimetres Thread ( ) M1,6

37、M2 M2,5 M3 M4 M5 M6 M8 M10 M12 M16 M20 M24 a 0,35 0,4 0,45 0,5 0,7 0,8 1 1,25 1,5 1,75 2 2,5 3 max. 0,4 0,5 0,65 0,75 1 1,25 1,5 2 2,5 3 4 5 6Minor thread diameter b, c min. 0,809 1,011 1,454 1,733 2,303 2,873 3,443 4,583 5,723 6,863 9,149 11,429 13,716 c nom. 0,7 0,9 1,3 1,5 2 2,5 3 4 5 6 8 10 12 m

38、ax. 0,724 0,913 1,300 1,58 2,08 2,58 3,08 4,095 5,14 6,14 8,175 10,175 12,212 min. 0,710 0,887 1,275 1,52 2,02 2,52 3,02 4,020 5,02 6,02 8,025 10,025 12,032 min. d 0 , 70 , 81 , 21 , 21 , 522344 , 86 , 481 0 e 1,5 1,7 2 2 2,5 3 3,5 5 6 8 10 12 15 Approximate mass, in kilograms per 1 000 pieces ( ) (

39、for information only) nom. min. max. 2 1,8 2,2 0,021 0,029 2,5 2,3 2,7 0,025 0,037 0,063 3 2,8 3,2 0,029 0,044 0,075 0,09 4 3,76 4,24 0,037 0,059 0,1 0,13 0,18 5 4,76 5,24 0,046 0,074 0,125 0,17 0,26 0,37 6 5,76 6,24 0,054 0,089 0,15 0,21 0,34 0,49 0,69 8 7,71 8,29 0,07 0,1190,199 0,29 0,5 0,73 1,04

40、 1,72 10 9,71 10,29 0,148 0,249 0,37 0,66 0,97 1,39 2,35 3,41 12 11,65 12,35 0,299 0,45 0,82 1,21 1,74 2,98 4,42 6,1 16 15,65 16,35 0,61 1,14 1,69 2,44 4,24 6,43 8,9 14,9 20 19,58 20,42 1,46 2,17 3,14 5,5 8,44 11,7 20,1 30,4 25 24,58 25,42 2,77 4,02 7,08 10,9 15,3 26,6 40,7 54,2 30 29,58 30,42 4,89

41、8,65 13,5 18,8 33,1 51 68,7 35 34,5 35,5 10,2 16 22,3 39,6 61,3 83,2 40 39,5 40,5 11,8 18,5 25,8 46,1 71,6 97,7 45 44,5 45,5 21 29,3 52,6 81,9 112 50 49,5 50,5 23,5 32,8 59,1 92,2 127 55 54,4 55,6 36,3 65,6 103 141 60 59,4 60,6 39,8 72,2 113 156 NOTE Commercial lengths are those between the bold ste

42、pped lines. ais the pitch of the thread. b . c Combined gauging of socket dimensions and , see ISO 23429. d For screws with nominal lengths in the shaded areas. e For screws with nominal lengths below the shaded areas. d P d t d f e s t l = 7,85 kg/dm 3 P e min = 1,14s min es ENISO4027:2003ISO :7204

43、(3002)E 4 ISO 3002 All rithgs reresvde 4 Requirements and reference International Standards See Table 2. 5 Designation EXAMPLE A hexagon socket set screw with cone point, thread M6, nominal length and of property class 45H, is designated as follows: Hexagon socket set screw ISO 4027 - M6 12 - 45H Ta

44、ble 2 Specifications and reference International Standards Material Steel Stainless steel Non-ferrous metal General requirements International Standard ISO 8992 Thread To l e r a n c e International Standards ISO 261, ISO 965-2, ISO 965-3 Mechanical properties Property class 45H A1-12H, A2-21H, A3-2

45、1H, A4-21H, A5-21H As agreed International Standards ISO 898-5 ISO 3506-3 ISO 8839 Tolerances Product grade A International Standard ISO 4759-1 Finish As processed Plain Plain Requirements for electroplating are covered in ISO 4042. Requirements for electroplating are covered in ISO 4042. Requiremen

46、ts for non-electrolytically applied zinc flake coatings are covered in ISO 10683. Surface discontinuities Limits for surface discontinuities are covered in ISO 6157-1. Acceptability For acceptance procedure, see ISO 3269. 6g l= 12 mm ENISO4027:2003. 5 BS EN ISO 4027:2003 BSI 389 Chiswick High Road L

47、ondon W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards 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 British Standard

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