1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 14580:2011Hexalobular socket cheesehead screws (ISO 14580:2011)BS EN ISO 14580:2011 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of E
2、N ISO14580:2011. It supersedes BS EN ISO 14580:2001 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee FME/9/3, Fasteners - Product Standards.A list of organizations represented on this committee can beobtained on request to its secretary.This publication
3、does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 71158 9ICS 21.060.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority
4、of theStandards Policy and Strategy Committee on 30 April 2011.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 14580 March 2011 ICS 21.060.10 Supersedes EN ISO 14580:2001English Version Hexalobular socket cheese head screws (ISO 14580:201
5、1) Vis mtaux tte cylindrique basse six lobes internes (ISO 14580:2011) Zylinderschrauben mit Innensechsrund, niedriger Kopf (ISO 14580:2011) This European Standard was approved by CEN on 31 January 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the co
6、nditions for giving this 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 CEN-CENELEC Management Centre or to any CEN member. This European Standard exi
7、sts in three official versions (English, 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 CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national st
8、andards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland an
9、d United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 14
10、580:2011: EBS EN ISO 14580:2011EN ISO 14580:2011 (E) 3 Foreword This document (EN ISO 14580:2011) has been prepared by Technical Committee ISO/TC 2 “Fasteners“ in collaboration with Technical Committee CEN/TC 185 “Fasteners” the secretariat of which is held by DIN. This European Standard shall be gi
11、ven the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2011, and conflicting national standards shall be withdrawn at the latest by September 2011. Attention is drawn to the possibility that some of the elements of this documen
12、t may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 14580:2001. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bo
13、und to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
14、 Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 14580:2011 has been approved by CEN as a EN ISO 14580:2011 without any modification. BS EN ISO 14580:2011ISO 14580:2011(E) ISO 2011 All rights reserved iiiForeword ISO (the International Organization for Standardization)
15、 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 been established has the right to be repre
16、sented 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 standardization. International Standards are
17、 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 bodies for voting. Publication as an Internationa
18、l 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 identifying any or all such patent rights. ISO 14580 was prep
19、ared by Technical Committee ISO/TC 2, Fasteners, Subcommittee SC 10, Product standards for fasteners. This second edition cancels and replaces the first edition (ISO 14580:2001), of which it constitutes a minor revision. It also incorporates the Technical Corrigendum ISO 14580:2001/Cor.1:2004. BS EN
20、 ISO 14580:2011BS EN ISO 14580:2011INTERNATIONAL STANDARD ISO 14580:2011(E) ISO 2011 All rights reserved 1Hexalobular socket cheese head screws 1 Scope This International Standard specifies the characteristics of hexalobular socket cheese head screws of product grade A and with thread sizes from M2
21、up to and including M10. If, in special cases, specifications other than those listed in this International Standard are required, they can be selected from existing International Standards, for example ISO 261, ISO 888, ISO 898-1, ISO 965-2, ISO 3506-1 and ISO 4759-1. 2 Normative references The fol
22、lowing referenced documents 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
23、 and descriptions of dimensions ISO 261, ISO general-purpose metric screw threads General plan ISO 898-1, Mechanical properties of fasteners made of carbon steel and alloy steel Part 1: Bolts, screws and studs with specified property classes Coarse thread and fine pitch thread ISO 965-2, ISO general
24、 purpose metric screw threads Tolerances Part 2: Limits of sizes for general purpose external and internal screw threads Medium quality ISO 1207, Slotted cheese head screws Product grade A ISO 3269, Fasteners Acceptance inspection ISO 3506-1, Mechanical properties of corrosion-resistant stainless st
25、eel fasteners Part 1: Bolts, screws and studs 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 883
26、9, Mechanical properties of fasteners Bolts, screws, studs and nuts made of non-ferrous metals ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts ISO 10664, Hexalobular internal driving feature for bolts and screws ISO 10683, Fasteners Non-electrolytically applied zinc flake
27、coatings BS EN ISO 14580:2011ISO 14580:2011(E) 2 ISO 2011 All rights reserved3 Dimensions See Figure 1 and Table 1. Symbols and descriptions of dimensions are specified in ISO 225. NOTE The shank diameter, ds, is approximately equal to the pitch diameter or equal to the major thread diameter. aAs-ro
28、lled end. bEdge may be rounded or flat. Figure 1 BS EN ISO 14580:2011ISO 14580:2011(E) ISO 2011 All rights reserved 3Table 1 Dimensions Dimensions in millimetres Thread, d M2 M2,5 M3 (M3,5)aM4 M5 M6 M8 M10 Pb0,4 0,45 0,5 0,6 0,7 0,8 1 1,25 1,5 a max. 0,8 0,9 1 1,2 1,4 1,6 2 2,5 3 b min. 25 25 25 38
29、38 38 38 38 38 nom. = max. 3,80 4,50 5,50 6,00 7,00 8,50 10,00 13,00 16,00 dkmin. 3,62 4,32 5,32 5,82 6,78 8,28 9,78 12,73 15,73 damax. 2,6 3,1 3,6 4,1 4,7 5,7 6,8 9,2 11,2 nom. = max. 1,55 1,85 2,40 2,60 3,10 3,65 4,40 5,80 6,90 kcmin. 1,41 1,71 2,26 2,46 2,92 3,47 4,10 5,50 6,54 r min. 0,1 0,1 0,1
30、 0,1 0,2 0,2 0,25 0,4 0,4 w min. 0,5 0,7 0,75 1,0 1,1 1,3 1,6 2 2,4 x max. 1,0 1,1 1,25 1,50 1,75 2,0 2,5 3,2 3,8 Socket no. 6 8 10 15 20 25 30 45 50 A ref. 1,75 2,4 2,8 3,35 3,95 4,5 5,6 7,95 8,95 max. 0,84 0,91 1,27 1,33 1,66 1,91 2,29 3,05 3,43 Hexalobular socketdt min. 0,71 0,78 1,01 1,07 1,27 1
31、,52 1,90 2,66 3,04 lenom.amin. max. Approximate mass of carbon steel screws, in kilograms per 1 000 pieces(r = 7,85 kg/dm3) 3 2,8 3,2 0,160 0,272 4 3,76 4,24 0,179 0,302 0,515 5 4,76 5,24 0,198 0,332 0,560 0,786 1,09 6 5,76 6,24 0,217 0,362 0,604 0,845 1,17 2,06 8 7,71 8,29 0,254 0,422 0,692 0,966 1
32、,33 2,30 3,56 10 9,71 10,29 0,291 0,482 0,780 1,08 1,47 2,55 3,92 7,85 12 11,65 12,35 0,329 0,542 0,868 1,20 1,63 2,80 4,27 8,49 14,6 (14) 13,65 14,35 0,365 0,602 0,956 1,32 1,79 3,05 4,62 9,13 15,6 16 15,65 16,35 0,402 0,662 1,04 1,44 1,95 3,30 4,98 9,77 16,6 20 19,58 20,42 0,478 0,782 1,22 1,68 2,
33、25 3,78 5,69 11,0 18,6 25 24,58 25,42 0,932 1,44 1,98 2,64 4,40 6,56 12,6 21,1 30 29,58 30,42 1,66 2,28 3,02 5,02 7,45 14,2 23,6 35 34,5 35,5 2,57 3,41 5,62 8,25 15,8 26,1 40 39,5 40,5 3,80 6,25 9,20 17,4 28,6 45 44,5 45,5 6,88 10,0 18,9 31,1 50 49,5 50,5 7,50 10,9 20,6 33,6 (55) 54,4 55,6 11,8 22,1
34、 36,1 60 59,4 60,6 12,7 23,7 38,6 (65) 64,4 65,6 25,2 41,1 70 69,4 70,6 26,8 43,6 (75) 74,4 75,6 28,3 46,1 80 79,4 80,6 29,8 48,6 NOTE Preferred lengths are the ones between the solid, bold, stepped lines. a Sizes in parentheses should be avoided, if possible. b P is the pitch of the thread. c The h
35、ead height is increased against the screws, in accordance with ISO 1207, in order to improve the head strength. d For the acceptance of the hexalobular socket and for gauges, see ISO 10664. e Screws with nominal lengths above the discontinuous, stepped line are threaded up to the head (b = l a). BS
36、EN ISO 14580:2011ISO 14580:2011(E) 4 ISO 2011 All rights reserved4 Specifications and reference International Standards See Table 2. Table 2 Specifications and reference International Standards Material Steel Stainless steel Non-ferrous metal General requirements International Standard ISO 8992 Tole
37、rance class 6g Thread International Standard ISO 261, ISO 965-2 Property class 4.8, 5.8 A2-50, A2-70 A3-50, A3-70 As agreed Mechanical property International Standard ISO 898-1 ISO 3506-1 ISO 8839 Product grade A Tolerance International Standard ISO 4759-1 Hexalobular socket International Standard I
38、SO 10664 As processed As processed As processed Requirements for electroplating are specified in ISO 4042.Requirements for electroplating are specified in ISO 4042.Requirements for non-electrolytically applied zinc flake coatings are specified in ISO 10683. Finish Coating Additional requirements or
39、other finishes or coatings shall be agreed between the supplier and the purchaser. Surface integrity Limits for surface discontinuities are specified in ISO 6157-1. Acceptability Acceptance inspection is specified in ISO 3269. 5 Designation EXAMPLE A hexalobular socket cheese head screw with thread
40、M5, nominal length l = 20 mm and property class 4.8 is designated as follows: Hexalobular socket cheese head screw ISO 14580 - M5 20 - 4.8 BS EN ISO 14580:2011ISO 14580:2011(E) ISO 2011 All rights reserved 5Bibliography 1 ISO 888, Bolts, screws and studs Nominal lengths, and thread lengths for gener
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