1、June 2011 Translation by DIN-Sprachendienst.English price group 10No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 2
2、1.060.10!$s0O“1801344www.din.deDDIN EN ISO 14579Hexalobular socket head cap screws (ISO 14579:2011)English translation of DIN EN ISO 14579:2011-06Zylinderschrauben mit Innensechsrund (ISO 14579:2011)Englische bersetzung von DIN EN ISO 14579:2011-06Vis mtaux tte cylindrique six lobes internes (ISO 14
3、579:2011)Traduction anglaise de DIN EN ISO 14579:2011-06SupersedesDIN EN ISO 14579:2002-05www.beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.1406.11 DIN EN ISO 14579:2011-06 2 A comma is used as the decimal marker. National foreword T
4、his standard has been prepared by Technical Committee ISO/TC 2 “Fasteners” in collaboration with Technical Committee CEN/TC 185 “Fasteners” (both secretariats are held by DIN, Germany). The responsible German body involved in its preparation was the Normenausschuss Mechanische Verbin-dungselemente (
5、Fasteners Standards Committee), Working Committee NA 067-00-02 AA Verbindungs-elemente mit metrischem Auengewinde. The DIN 4000-160-2 tabular layout of article characteristics shall apply to screws covered in this standard. The DIN Standards corresponding to the International Standards referred to i
6、n this document are as follows: ISO 225 DIN EN ISO 225 ISO 261 DIN ISO 261 ISO 898-1 DIN EN ISO 898-1 ISO 965-2 DIN ISO 965-2 ISO 965-3 DIN ISO 965-3 ISO 3269 DIN EN ISO 3269 ISO 3506-1 DIN EN ISO 3506-1 ISO 4042 DIN EN ISO 4042 ISO 4753 DIN EN ISO 4753 ISO 4759-1 DIN EN ISO 4759-1 ISO 6157-1 DIN EN
7、 26157-1 ISO 6157-3 DIN EN 26157-3 ISO 8839 DIN EN 28839 ISO 8992 DIN ISO 8992 ISO 10664 DIN EN ISO 10664 ISO 10683 DIN EN ISO 10683 Amendments This standard differs from DIN EN ISO 14579:2002-05 as follows: a) normative references are now undated; b) in Table 1, a new footnote e has been added; c)
8、in Table 2, the property classes have been adjusted in accordance with DIN EN ISO 898-1:2009-08; d) in Table 2, specifications for other finishes and coatings have been added; e) Annex ZA has been deleted. Previous editions DIN EN ISO 14579: 2002-05 DIN EN ISO 14579:2011-06 3 National Annex NA (info
9、rmative) Bibliography DIN 4000-160, Tabular layout of product properties Part 160: Fasteners with external thread DIN EN 26157-1, Fasteners Surface discontinuities Bolts, screws and studs subject to general requirements DIN EN 26157-3, Fasteners Surface discontinuities Bolts, screws and studs subjec
10、t to special requirements DIN EN 28839, Mechanical properties of fasteners Nonferrous metal bolts, screws, studs and nuts DIN EN ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and descriptions of dimensions DIN EN ISO 898-1, Mechanical properties of fasteners made of carbon steel and alloy
11、 steel Part 1: Bolts, screws and studs with specified property classes Coarse thread and fine pitch thread DIN EN ISO 3269, Fasteners Acceptance inspection DIN EN ISO 3506-1, Mechanical properties of corrosion-resistant stainless steel fasteners Part 1: Bolts, screws and studs DIN EN ISO 4042, Faste
12、ners Electroplated coatings DIN EN ISO 4753, Fasteners Ends of parts with external ISO metric thread DIN EN ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product grades A, B and C DIN EN ISO 10664, Hexalobular internal driving feature for bolts and screws DIN EN ISO 1068
13、3, Fasteners Non-electrolytically applied zinc flake coatings DIN ISO 261, ISO general purpose metric screw threads General plan DIN ISO 965-2, ISO general purpose metric screw threads Tolerances Part 2: Limits of sizes for general purpose external and internal screw threads; medium quality DIN ISO
14、965-3, ISO general purpose metric screw threads Tolerances Part 3: Deviations for constructional threads DIN ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts DIN EN ISO 14579:2011-06 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO
15、 14579 March 2011 ICS 21.060.10 Supersedes EN ISO 14579:2001English Version Hexalobular socket head cap screws (ISO 14579:2011) Vis mtaux tte cylindrique six lobes internes (ISO 14579:2011) Zylinderschrauben mit Innensechsrund (ISO 14579:2011)This European Standard was approved by CEN on 31 January
16、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 lists and bibliographical references concerning such national standards may be obtaine
17、d 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 under the responsibility of a CEN member into its own language and notified to the CEN-C
18、ENELEC 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Ma
19、lta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and 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 exp
20、loitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 14579:2011: EContents Page Foreword3 1 Scope 4 2 Normative references 4 3 Dimensions.5 4 Specifications and reference International Standards 8 5 Designation 8 Annex A (informative) Masses of carbon s
21、teel screws .9 Bibliography 10 2 EN ISO 14579:2011 (E) DIN EN ISO 14579:2011-06 Foreword This document (EN ISO 14579:2011) 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 Euro
22、pean 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 2011, and conflicting national standards shall be withdrawn at the latest by September 2011. Attention is drawn to the possibility that some of the
23、 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 patent rights. This document supersedes EN ISO 14579:2001. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the f
24、ollowing countries are bound 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, S
25、lovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 14579:2011 has been approved by CEN as a EN ISO 14579:2011 without any modification. 3 EN ISO 14579:2011 (E) DIN EN ISO 14579:2011-06 1 Scope This International Standard specifies the characteris
26、tics of hexalobular socket head cap screws, with thread sizes from M2 up to and including M20, of product grade A. 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
27、, ISO 888, ISO 898-1, ISO 965-2, ISO 965-3, ISO 3506-1 and ISO 4759-1. 2 Normative references The following 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
28、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 fasteners made of carbon steel and alloy steel Part 1: Bolts, screws
29、 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 quality ISO 965-3, ISO general purpose metric screw threads Tolerances
30、Part 3: Deviations for constructional screw threads 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 4753, Fasteners Ends of parts with external
31、ISO metric thread 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 6157-3, Fasteners Surface discontinuities Part 3: Bolts, screws and studs
32、for special requirements ISO 8839, 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-elec
33、trolytically applied zinc flake coatings 4 EN ISO 14579:2011 (E) DIN EN ISO 14579:2011-06 3 Dimensions See Figure 1 and Table 1. Symbols and descriptions of dimensions are specified in ISO 225. Dimensions in millimetres Maximum underhead fillet, lf,max= 1,7 rmaxa,max s,maxmax2ddr= For rmin, see Tabl
34、e 1. adsapplies if values of ls,minare specified. bThe point shall be chamfered or, for threads u M4, may be as-rolled, in accordance with ISO 4753. cIncomplete thread u u 2P. dTop edge of head may be rounded or chamfered, as shown, at the discretion of the manufacturer. eBottom edge of head may be
35、rounded or chamfered to dwbut, in every case, shall be free of burrs. fReference datum for dw. Figure 1 5 EN ISO 14579:2011 (E) DIN EN ISO 14579:2011-06 Table 1 Dimensions Dimensions in millimetres Thread, d M2 M2,5 M3 M4 M5 M6 M8 Pa0,4 0,45 0,5 0,7 0,8 1 1,25 bbref. 16 17 18 20 22 24 28 max.c3,80 4
36、,50 5,50 7,00 8,50 10,00 13,00 max.d3,98 4,68 5,68 7,22 8,72 10,22 13,27 dkmin. 3,62 4,32 5,32 6,78 8,28 9,78 12,73 damax. 2,6 3,1 3,6 4,7 5,7 6,8 9,2 max. 2,00 2,50 3,00 4,00 5,00 6,00 8,00 dsmin. 1,86 2,36 2,86 3,82 4,82 5,82 7,78 lfmax. 0,51 0,51 0,51 0,6 0,6 0,68 1,02 max. 2,00 2,50 3,00 4,00 5,
37、00 6,0 8,00 k min. 1,86 2,36 2,86 3,82 4,82 5,7 7,64 r min. 0,1 0,1 0,1 0,2 0,2 0,25 0,4 v max. 0,2 0,25 0,3 0,4 0,5 0,6 0,8 dwmin. 3,48 4,18 5,07 6,53 8,03 9,38 12,33 w min. 0,55 0,85 1,15 1,4 1,9 2,3 3,3 Socket no. 6 8 10 20 25 30 45 A ref. 1,75 2,4 2,8 3,95 4,5 5,6 7,95 max. 0,84 1,04 1,27 1,80 2
38、,03 2,42 3,31 Hexalobular socket t min. 0,71 0,91 1,01 1,42 1,65 2,02 2,92 lelsand lglslglslglslglslglslglslglslgnom. min. max. min. max. min. max. min. max. min. max. min. max. min. max. min. max.3 2,8 3,2 4 3,76 4,24 5 4,76 5,24 6 5,76 6,24 8 7,71 8,29 10 9,71 10,29 12 11,65 12,35 16 15,65 16,35 2
39、0 19,58 20,42 2 4 25 24,58 25,42 5,75 8 4,5 7 30 29,58 30,42 9,5 12 6,5 10 4 8 35 34,5 35,5 11,5 15 9 13 6 11 40 39,5 40,5 16,5 20 14 18 11 16 5,75 12 45 44,5 45,5 19 23 16 21 10,75 17 50 49,5 50,5 24 28 21 26 15,75 22 55 54,4 55,6 26 31 20,75 27 60 59,4 60,6 31 36 25,75 32 65 64,4 65,6 30,75 37 70
40、69,4 70,6 35,75 42 80 79,4 80,6 45,75 52 6 EN ISO 14579:2011 (E) DIN EN ISO 14579:2011-06 Table 1 (continued) Dimensions in millimetres Thread, d M10 M12 (M14)fM16 (M18)fM20 Pa1,5 1,75 2 2 2,5 2,5 bbref. 32 36 40 44 48 52 max.c16,00 18,00 21,00 24,00 27,00 30,00 max.d16,27 18,27 21,33 24,33 27,33 30
41、,33 dkmin. 15,73 17,73 20,67 23,67 26,67 29,67 damax. 11,2 13,7 15,7 17,7 20,2 22,4 max. 10,00 12,00 14,00 16,00 18,00 20,00 dsmin. 9,78 11,73 13,73 15,73 17,73 19,67 lfmax. 1,02 1,45 1,45 1,45 1,87 2,04 max. 10,00 12,00 14,00 16,00 18,00 20,00 k min. 9,64 11,57 13,57 15,57 17,57 19,48 r min. 0,4 0,
42、6 0,6 0,6 0,6 0,8 v max. 1 1,2 1,4 1,6 1,8 2 dwmin. 15,33 17,23 20,17 23,17 25,87 28,87 w min. 4 4,8 5,8 6,8 7,8 8,6 Socket no. 50 55 60 70 80 90 A ref. 8,95 11,35 13,45 15,7 17,75 20,2 max. 4,02 5,21 5,99 7,01 8,00 9,20 Hexalobular socketet min. 3,62 4,82 5,62 6,62 7,50 8,69 lglsand lglslglslglslgl
43、slglslglslgnom. min. max. min. max. min. max. min. max. min. max. min. max. min. max. 16 15,65 16,35 20 19,58 20,42 25 24,58 25,42 30 29,58 30,42 35 34,5 35,5 40 39,5 40,5 45 44,5 45,5 5,5 13 50 49,5 50,5 10,5 18 55 54,4 55,6 15,5 23 10,25 29 60 59,4 60,6 20,5 28 15,25 24 10 20 65 64,4 65,6 25,5 33
44、20,25 29 15 25 11 21 70 69,4 70,6 30,5 38 25,25 34 20 30 16 26 9,5 22 80 79,4 80,6 40,5 48 35,25 44 30 40 26 36 19,5 32 15,5 28 90 89,3 90,7 50,5 58 45,25 54 40 50 36 46 29,5 42 25,5 38 100 99,3 100,7 60,5 68 55,25 64 50 60 46 56 39,5 52 35,5 48 110 109,3 110,7 65,25 74 60 70 56 66 49,5 62 45,5 58 1
45、20 119,3 120,7 75,25 84 70 80 66 76 59,5 72 55,5 68 130 129,2 130,8 80 90 76 86 69,5 82 65,5 78 140 139,2 140,8 90 100 86 96 79,5 92 75,5 88 150 149,2 150,8 96 106 89,5 102 85,5 98 160 159,2 160,8 106 116 99,5 112 95,5 108 180 179,2 180,8 119,5 132 115,5 128 200 199,075 200,925 135,5 148 aP is the p
46、itch of the thread. bFor lengths below the discontinuous, stepped line. cFor plain heads. dFor knurled heads. eFor the acceptance of the hexalobular socket and for gauges, see ISO 10664. fSizes in parentheses should be avoided, if possible. gThe range of preferred lengths is between the solid, bold,
47、 stepped lines. Lengths above the dashed, stepped line are threaded to the head within 3P. Lengths below the discontinuous, stepped line have values of lgand lsin accordance with the following equation: lg,max= lnom b; ls,min= lg,max 5P. 7 EN ISO 14579:2011 (E) DIN EN ISO 14579:2011-06 4 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 Tolerance class 5g6g f
