BS EN ISO 7047-2011 Raised countersunk head screws (common head style) with type H or type Z cross recess Product grade A《H型或Z型十字槽半沉头螺钉(普通头型) A级产品》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 7047:2011Raised countersunk headscrews (common head style)with type H or type Z crossrecess Product grade A (ISO7047:2011)BS EN ISO 7047:2011 BRITISH STANDARDNational f

2、orewordThis British Standard is the UK implementation of EN ISO 7047:2011.It supersedes BS EN ISO 7047:1995 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee FME/9/3, Fasteners - Product Standards.A list of organizations represented on this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

3、beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 72978 2ICS 21.060.10Compliance with a British Standard cannot confer immunity fromlegal obligations.

4、This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September 2011.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 7047 September 2011 ICS 21.060.10 Supersedes EN ISO 7047:1994Englis

5、h Version Raised countersunk head screws (common head style) with type H or type Z cross recess - Product grade A (ISO 7047:2011) Vis mtaux tte fraise bombe empreinte cruciforme de type H ou de type Z - Grade A (ISO 7047:2011) Linsensenkschrauben (Einheitskopf) mit Kreuzschlitz Form H oder Form Z -

6、Produktklasse A (ISO 7047:2011) This European Standard was approved by CEN on 8 August 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date

7、 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 exists in three official versions (English, French, German). A version in any other language made by translation u

8、nder 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 standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Franc

9、e, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR

10、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 7047:2011: EBS EN ISO 7047:2011EN ISO 7047:2011 (E) 3 Foreword This document (EN ISO 7047:2011) has been prepared

11、 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 given the status of a national standard, either by publication of an identical text or by endorsement, at the latest

12、by March 2012, and conflicting national standards shall be withdrawn at the latest by March 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such pat

13、ent rights. This document supersedes EN ISO 7047:1994. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finl

14、and, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 7047:2011 has been approved by CEN as a EN I

15、SO 7047:2011 without any modification. BS EN ISO 7047:2011ISO 7047:2011(E) ISO 2011 All rights reserved iiiForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is no

16、rmally 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 committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in

17、 the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical 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 prepa

18、re International Standards. 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. Attention is drawn to the possibility that so

19、me 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 7047 was prepared by Technical Committee ISO/TC 2, Fasteners, Subcommittee SC 11, Fasteners with metric external thread. This third edition ca

20、ncels and replaces the second edition (ISO 7047:1994), of which it constitutes a minor revision. BS EN ISO 7047:2011BS EN ISO 7047:2011INTERNATIONAL STANDARD ISO 7047:2011(E) ISO 2011 All rights reserved 1Raised countersunk head screws (common head style) with type H or type Z cross recess Product g

21、rade A 1 Scope This International Standard specifies the characteristics of countersunk raised head screws of product grade A, with threads from M1,6 to M10 inclusive and with type H or type Z cross recess. If, in special cases, specifications other than those listed in this International Standard a

22、re required, they can be selected from existing International Standards, for example ISO 261, ISO 888, ISO 898-1, ISO 965-2 and ISO 3506-1. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited a

23、pplies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and descriptions of dimensions ISO 261, ISO general purpose metric screw threads General plan ISO 898-1, Mechanical properties of

24、 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 purpose metric screw threads Tolerances Part 2: Limits of sizes for general purpose external and internal screw threads Medium qu

25、ality ISO 3269, Fasteners Acceptance inspection ISO 3506-1, Mechanical properties of corrosion-resistant stainless steel fasteners Part 1: Bolts, screws and studs ISO 4042, Fasteners Electroplated coatings ISO 4757, Cross recesses for screws ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws

26、, 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 properties of fasteners Bolts, screws, studs and nuts made of non-ferrous metals ISO 8992, Fasteners General requirements for bolts,

27、screws, studs and nuts ISO 10683, Fasteners Non-electrolytically applied zinc flake coatings ISO 16048, Passivation of corrosion-resistant stainless-steel fasteners BS EN ISO 7047:2011ISO 7047:2011(E) 2 ISO 2011 All rights reserved3 Dimensions See Figure 1 and Table 1. Symbols and descriptions of di

28、mensions are specified in ISO 225. The shank diameter is approximately equal to the pitch diameter or equal to the permissible major thread diameter. a) Cross recess type H b) Cross recess type Z Key 1 as-rolled end 2 edge (rounded or flat) Figure 1 BS EN ISO 7047:2011ISO 7047:2011(E) ISO 2011 All r

29、ights reserved 3Table 1 Dimensions Dimensions in millimetres Thread, d M1,6 M2 M2,5 M3 (M3,5)aM4 M5 M6 M8 M10 P b0,35 0,4 0,45 0,5 0,6 0,7 0,8 1 1,25 1,5 a max. 0,7 0,8 0,9 1 1,2 1,4 1,6 2 2,5 3 b min. 25 25 25 25 38 38 38 38 38 38 Theoretical max 3,6 4,4 5,5 6,3 8,2 9,4 10,4 12,6 17,3 20 nom. = max

30、. 3,0 3,8 4,7 5,5 7,30 8,40 9,30 11,30 15,80 18,30dkcActual min. 2,7 3,5 4,4 5,2 6,94 8,04 8,94 10,87 15,37 17,78f 0,4 0,5 0,6 0,7 0,8 1 1,2 1,4 2 2,3 kcnom. = max. 1 1,2 1,5 1,65 2,35 2,7 2,7 3,3 4,65 5 r max. 0,4 0,5 0,6 0,8 0,9 1 1,3 1,5 2 2,5 rf 3 4 5 6 8,5 9,5 9,5 12 16,5 19,5 x max. 0,9 1 1,1

31、1,25 1,5 1,75 2 2,5 3,2 3,8 Recess no. 0 1 2 3 4 m ref. 1,9 2 3 3,4 4,8 5,2 5,4 7,3 9,6 10,4 max. 1,2 1,5 1,85 2,2 2,75 3,2 3,4 4,0 5,25 6,0 Type H Penetration min. 0,9 1,2 1,50 1,8 2,25 2,7 2,9 3,5 4,75 5,5 Cross recess m ref. 1,9 2,2 2,8 3,1 4,6 5 5,3 7,1 9,5 10,3 max. 1,20 1,40 1,75 2,08 2,70 3,1

32、0 3,35 3,85 5,20 6,05 Type Z Penetration min. 0,95 1,15 1,50 1,83 2,25 2,65 2,90 3,40 4,75 5,60 l adnom. min. max. Approximate mass, in kilograms per 1 000 pieces ( = 7,85 kg/dm3) (for information only) 3 2,8 3,2 0,067 0,119 0,212 4 3,76 4,24 0,078 0,138 0,242 0,351 5 4,76 5,24 0,09 0,156 0,272 0,39

33、5 0,669 0,99 6 5,76 6,24 0,102 0,175 0,302 0,439 0,729 1,07 1,49 8 7,71 8,29 0,125 0,212 0,362 0,527 0,849 1,23 1,73 2,79 10 9,71 10,29 0,145 0,249 0,422 0,615 0,969 1,39 1,97 3,14 6,89 12 11,65 12,35 0,165 0,287 0,482 0,703 1,09 1,54 2,21 3,49 7,53 11,4 (14) 13,65 14,35 0,185 0,325 0,543 0,791 1,21

34、 1,7 2,45 3,84 8,17 12,5 16 15,65 16,35 0,205 0,362 0,603 0,879 1,33 1,85 2,69 4,19 8,81 13,5 20 19,58 20,42 0,436 0,723 1,06 1,57 2,17 3,17 4,89 10,1 15,5 25 24,58 25,42 0,874 1,28 1,87 2,56 3,77 5,77 11,7 18 30 29,58 30,42 1,5 2,17 2,95 4,37 6,64 13,3 20,6 35 34,5 35,5 2,47 3,34 4,97 7,52 14,9 23,

35、1 40 39,5 40,5 3,73 5,57 8,39 16,5 25,6 45 44,5 45,5 6,16 9,27 18,1 28,1 50 49,5 50,5 6,76 10,1 19,7 30,7 BS EN ISO 7047:2011ISO 7047:2011(E) 4 ISO 2011 All rights reservedTable 1 (continued) Dimensions in millimetres Thread, d M1,6 M2 M2,5 M3 (M3,5)aM4 M5 M6 M8 M10 ladnom. min. max. Approximate mas

36、s, in kilograms per 1 000 pieces ( = 7,85 kg/dm3) (for information only) (55) 54,05 55,95 11 21,3 33,2 60 59,05 60,95 11,9 22,9 35,7 NOTE Preferred lengths are those between the solid, bold, stepped lines. aSizes in parentheses should be avoided if possible. bP is the pitch of the thread. cSee ISO 7

37、721. dScrews with nominal lengths above the bold, discontinuous line are threaded up to the head; b = l (k + a). 4 Specifications and reference International Standards See Table 2. Table 2 Specifications and reference International Standards Material Steel Stainless steel Non-ferrous metal General r

38、equirements International Standard ISO 8992 Tolerance class 6g Thread International Standard ISO 261, ISO 965-2 Property class 4.8 A2-50, A2-70 Mechanical property International Standard ISO 898-1 ISO 3506-1 ISO 8839 Product grade A Tolerance International Standard ISO 4759-1 Cross recess Internatio

39、nal Standard ISO 4757 As processed Requirements for electroplating are specified in ISO 4042. Requirements for non-elextrolytically applied zinc flake coatings are specified in ISO 10683. Requirements for passivation are specified in ISO 16048. Requirements for electroplating are specified in ISO 40

40、42. Finish Coating Additional requirements or 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. BS EN ISO 7047:2011ISO 7047

41、:2011(E) ISO 2011 All rights reserved 55 Designation EXAMPLE A cross-recessed countersunk raised head screw with thread M5, nominal length l = 20 mm, property class 4.8 and cross recess type Z is designated as follows: Countersunk raised head screw ISO 7047 - M5 20 - 4.8 - Z BS EN ISO 7047:2011ISO 7

42、047:2011(E) 6 ISO 2011 All rights reservedBibliography 1 ISO 888, Bolts, screws and studs Nominal lengths, and thread lengths for general purpose bolts 2 ISO 7721, Countersunk head screws Head configuration and gauging BS EN ISO 7047:2011This page deliberately left blankThis page deliberately left b

43、lankBSI is the independent national body responsible for preparing British Standardsand other standards-related publications, information and services. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter.British Standards Institution (BS

44、I)raising standards worldwideBSI Group Headquarters389 Chiswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards are updated by amendment or revision. Users of British Stan-dards should make sure that they possess the latest amendments or editions.It is the constant aim

45、 of BSI to improve the quality of our products and serv-ices. We would be grateful if anyone finding an inaccuracy or ambiguity whileusing this British Standard would inform the Secretary of the technical com-mittee responsible, the identity of which can be found on the inside frontcover.Tel: +44 (0

46、)20 8996 9001 Fax: +44 (0)20 8996 7001BSI offers Members an individual updating service called PLUS which ensuresthat subscribers automatically receive the latest editions of standards.Tel: +44 (0)20 8996 7669 Fax: +44 (0)20 8996 7001Email: Buying standardsYou may buy PDF and hard copy versions of s

47、tandards directly using acredit card from the BSI Shop on the website addition all orders for BSI, international and foreign standards publicationscan be addressed to BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001Email: In response to orders for international standards, it

48、is BSI policy tosupply the BSI implementation of those that have been publishedas British Standards, unless otherwise requested.Information on standardsBSI provides a wide range of information on national, Europeanand international standards through its Knowledge Centre.Tel: +44 (0)20 8996 7004 Fax: +44 (0)20 8996 7005Email: Various BSI electronic information services are also available whichgive details on all its products and services. Tel: +44 (0)20 8996 7111 Fax: +44 (0)20 8996 7048Email: BSI Subscribing Members are kept up to date with standardsdevelopments and receive substantial di

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