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1、BRITISH STANDARD BS EN ISO 4762:2004 Hexagon socket head cap screws The European Standard EN ISO 4762:2004 has the status of a British Standard ICS 21.060.10 ? Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 13:17:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 4762:2004 This British
2、Standard was published under the authority of the Standards Policy and Strategy Committee on 10 March 2004 BSI 10 March 2004 ISBN 0 580 43547 4 National foreword This British Standard is the official English language version of EN ISO 4762:2004. It is identical with ISO 4762:2004. It supersedes BS E
3、N ISO 4762:1998 which is withdrawn. The UK participation in its preparation was entrusted by Technical 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 obtain
4、ed on request 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 Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of
5、 the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to 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
6、enquirers to understand the text; present to the responsible 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. Summary of pages This
7、 document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii to iv, pages 1 to 11 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publ
8、ication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 13:17:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 4762 March 2004 ICS 21.060.10Supersedes EN ISO 4762:1997 English version Hexagon socket head cap screws (I
9、SO 4762:2004) Vis tte cylindrique six pans creux (ISO 4762:2004)Zylinderschrauben mit Innensechskant (ISO 4762:2004) This European Standard was approved by CEN on 16 January 2004. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
10、 European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Centre or to any CEN member. This European Standard exists in three official versions (Engl
11、ish, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czec
12、h Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NO
13、RMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 4762:2004 E Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 13:17:56 G
14、MT+00:00 2006, Uncontrolled Copy, (c) BSI I NESO 74:2602( 40E) 2 Foreword This document (EN ISO 4762:2004) has been prepared by Technical Committee ISO/TC 2 “Fasteners“ in collaboration with Technical Committee CEN/TC 185 “Threaded and non- threaded mechanical fasteners and accessories“, the secreta
15、riat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2004, and conflicting national standards shall be withdrawn at the latest by September 2004. This document s
16、upersedes EN ISO 4762:1997. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland
17、, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of ISO 4762:2004 has been approved by CEN as EN ISO 4762:2004 without any modifications. EN ISO 4762:2004 Lice
18、nsed Copy: sheffieldun sheffieldun, na, Sat Nov 18 13:17:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI INTERNATIONAL STANDARD ISO 4762 Fourth edition 2004-03-01 Reference number ISO 4762:2004(E) OSI 2004 Hexagon socket head cap screws Vis tte cylindrique six pans creux EN ISO 4762:2004 Licensed Copy
19、: sheffieldun sheffieldun, na, Sat Nov 18 13:17:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO :2674(4002)E ii ISO 4002 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 tid
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22、 rebsei. In eht kilnuyle evtne ttah a borplme rtaleit gno it si f,dnuo esaelp ifnrom thtneC erla ceSrteraita ta teh sserdda vigoleb new. IOS 4002 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 cinocin
23、ahcela, tohp gnidulcnicopom dna gniyicrfomli, tiwuoht repsimsi noin wrtif gnirtie 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.s
24、oo.rg EN ISO 4762:2004 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 13:17:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI OSI 6744002:2)E( ISO 4002 r llAithgs reservde iii Contents Page 1Scope 1 2Normative references 1 3Dimensions 2 4Requirements and reference International Standards . 9 5De
25、signation 9 Annex A (informative) Masses . 10 EN ISO 4762:2004 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 13:17:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO :2674(4002)E iv ISO 4002 All rithgs reresvde Foreword ISO (the International Organization for Standardization) is a worldwide
26、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 been established has the right to be represented on that c
27、ommittee. 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 standardization. International Standards are drafted in acco
28、rdance 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 bodies for voting. Publication as an International Standard requi
29、res 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 identifying any or all such patent rights. ISO 4762 was prepared by Technical
30、 Committee ISO/TC 2, Fasteners. This fourth edition cancels and replaces the third edition (ISO 4762:1997), which has been technically revised. EN ISO 4762:2004 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 13:17:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ANRETNIITOTS LANDNADRAOSI 674400
31、2:2)E( ISO 4002 r llAithgs reservde 1 Hexagon socket head cap screws 1Scope This International Standard specifies the characteristics of hexagon socket head cap screws with coarse pitch thread from M1,6 up to and including M64 and product grade A. For approximate masses of screws see Annex A. If, in
32、 special cases, specifications other than those listed in this International Standard are required, they should be selected from existing International Standards, e.g ISO 261, ISO 888, ISO 898-1, ISO 965-2. ISO 3506-1, ISO 8839 and ISO 4759-1. 2Normative references The following referenced documents
33、 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 225, Fasteners Bolts, screws, studs and nuts Symbols and designations of dimens
34、ions ISO 261, ISO general-purpose metric screw threads General plan ISO 888, Bolts, screws and studs Nominal lengths, and thread lengths for general purpose bolts ISO 898-1, Mechanical properties of fasteners made of carbon steel and alloy steel Part 1: Bolts, screws and studs ISO 965-2, ISO general
35、 purpose metric screw threads Tolerances Part 2: Limits of sizes for general purpose external and internal screw threads 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 350
36、6-1, Mechanical properties of corrosion-resistant stainless-steel fasteners Part 1: Bolts, screws and studs ISO 4042, Fasteners Electroplated coatings ISO 4753, Fasteners Ends of parts with external ISO metric thread ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product
37、grades A, B and C ISO 6157-1, Fasteners Surface discontinuities Part 1: Bolts, screws and studs for general requirements ISO 6157-3, Fasteners Surface discontinuities Part 3: Bolts, screws and studs for special requirements ISO 8839, Mechanical properties of fasteners Bolts, screws, studs and nuts m
38、ade of non-ferrous metals ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts EN ISO 4762:2004 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 13:17:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO :2674(4002)E 2 ISO 4002 All rithgs reresvde ISO 10683, Fasteners Non-el
39、ectrolytically applied zinc flake coatings ISO 23429, Gauging of hexagon sockets 3Dimensions See Figure 1 and Table 1. Symbols and designations of dimensions are defined in ISO 225. Maximum underhead fillet , see Table 1 Figure 1 lf, max=1,7rmax rmax= da, max ds, max 2 rmin EN ISO 4762:2004 Licensed
40、 Copy: sheffieldun sheffieldun, na, Sat Nov 18 13:17:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI OSI 6744002:2)E( ISO 4002 r llAithgs reservde 3 Permissible alternative form of socketTop and bottom edge opf the head For broached sockets which are at the maximum limit of size the overcut resulting
41、from drilling shall not exceed 1/3 of the length of any flat of the socket which is . a A slight rounding or countersink at the mouth of the socket is permissible. b Point chamfered or for sizes M4 and below “as rolled” according to ISO 4753. c Incomplete thread . d applies if values of are specifie
42、d. e Top edge of head may be rounded or chamfered as shown at the option of the manufacturer. f Bottom edge of head may be rounded or chamfered to but in every case shall be free from burrs. Figure 1 (continued) e/2 u ?2P dsls, min dw EN ISO 4762:2004 Licensed Copy: sheffieldun sheffieldun, na, Sat
43、Nov 18 13:17:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO :2674(4002)E 4 ISO 4002 All rithgs erresvde Table 1 Dimensions Dimensions in millimetres Thread ( )M1,6M2M2,5M3M4M5M6M8M10M12 a 0,350,40,450,50,70,811,251,51,75 b ref.15161718202224283236 max.c3,003,804,505,507,008,5010,0013,0016,0018,00
44、 max.d3,143,984,685,687,228,7210,2213,2716,2718,27 min.2,863,624,325,326,788,289,7812,7315,7317,73 max.22,63,13,64,75,76,89,211,213,7 max.1,602,002,503,004,005,006,008,0010,0012,00 min.1,461,862,362,863,824,825,827,789,7811,73 e, f min.1,7331,7332,3032,8733,4434,5835,7236,8639,14911,429 max0,340,510
45、,510,510,60,60,681,021,021,45 max.1,602,002,503,004,005,006,08,0010,0012,00 min.1,461,862,362,863,824,825,77,649,6411,57 min.0,10,10,10,10,20,20,250,40,40,6 f nom.1,51,522,53456810 max.1,581,582,082,583,084,0955,146,148,17510,175 min.1,521,522,022,523,024,0205,026,028,02510,025 min.0,711,11,322,5345
46、6 max.0,160,20,250,30,40,50,60,811,2 min2,723,484,185,076,538,039,3812,3315,3317,23 min.0,550,550,851,151,41,92,33,344,8 g Shank length and grip length nom.min.max.min.max.min.max.min.max.min.max.min.max.min.max.min.max.min.max.min.max.min.max. 2,52,32,7 32,83,2 43,764,24 54,765,24 65,766,24 87,718,
47、29 109,7110,29 1211,6512,35 d P b dk da ds e lf k r s t v dw w l lslg lslglslglslglslglslglslglslglslglslglslg EN ISO 4762:2004 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 13:17:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI OSI 402:267)E(40 ISO 4002 All rithgs reresvde 5 1615,6516,35 2019
48、,5820,4224 2524,5825,425,7584,57 3029,5830,429,5126,51048 3534,535,511,515913611 4039,540,516,520141811165,7512 4544,545,51923162110,75175,513 5049,550,52428212615,752210,518 5554,455,6263120,752715,52310,2519 6059,460,6313625,753220,52815,2524 6564,465,630,753725,53320,2529 7069,470,635,754230,5382
49、5,2534 8079,480,645,755240,54835,2544 9089,390,750,55845,2554 10099,3100,760,56855,2564 110109,3110,765,2574 120119,3120,775,2584 130129,2130,8 140139,2140,8 150149,2150,8 160159,2160,8 180179,2180,8 200199,075 200,925 220219,075 220,925 240239,075 240,925 260258,95261,05 280278,95281,05 300298,95301,05 Table 1 Dimensions (continued) EN ISO 4762:2004 Licensed Copy: sheffieldun sheffieldu