1、November 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).I
2、CS 21.060.10!$v-5“1831018www.din.deDDIN EN ISO 7380-1Button head screws Part 1: Hexagon socket button head screws (ISO 7380-1:2011)English translation of DIN EN ISO 7380-1:2011-11Schrauben mit abgeflachtem Halbrundkopf Teil 1: Schrauben mit abgeflachtem Halbrundkopf mit Innensechskant (ISO 7380-1:20
3、11)Englische bersetzung von DIN EN ISO 7380-1:2011-11Vis tte cylindrique bombe plate Partie 1: Vis tte cylindrique bombe plate six pans creux (ISO 7380-1:2011)Traduction anglaise de DIN EN ISO 7380-1:2011-11SupersedesDIN EN ISO 7380:2004-05www.beuth.deIn case of doubt, the German-language original s
4、hall be considered authoritative.Document comprises 14 pages11.11 DIN EN ISO 7380-1:2011-11 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee ISO/TC 2 “Fasteners” in collaboration with Technical Committee CEN/TC 185 “Fasteners” (both se
5、cretariats are held by DIN, Germany). The responsible German body involved in its preparation was the Normenausschuss Mechanische Verbindungselemente (Fasteners Standards Committee), Working Committee NA 067-00-02 AA Verbindungs-elemente mit metrischem Auengewinde. Users of this standard should note
6、 that when a strength of over 1 200 MPa is required (see Table 2), use of bolts, screws and studs of property class 12.9 is recommended. The DIN Standards corresponding to the International Standards referred to in Clause 2 of this document are as follows: ISO 225 DIN EN ISO 225 ISO 261 DIN ISO 261
7、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 26157-1 ISO 6157-3 DIN EN 26157-3 ISO 8992 DIN ISO 8992 ISO 10683 DIN EN I
8、SO 10683 ISO 23429 DIN EN ISO 23429 ISO 7380 consists of the following parts, under the general title Button head screws: Part 1: Hexagon socket button head screws Part 2: Hexagon socket button head screws with collar Amendments This standard differs from DIN EN ISO 7380:2004-05 as follows: a) the t
9、itle of the standard has been adapted to the designation in DIN ISO 1891; b) Figure 1 has been revised; c) nominal lengths of 55 mm up to 90 mm have been added; d) dimension a has been deleted; e) radius r has been divided: rsfor screws with unthreaded shank and rtfor fully threaded screws; DIN EN I
10、SO 7380-1:2011-11 3 f) new dimensions have been added: b, dL, ds, dw, ls, lgand rf; g) dimension dahas been changed for M12 and M16; h) the designation example for steel has been revised taking into account the reduced loadability; i) stainless steel including marking symbols (Table 2) and an exampl
11、e of designation (Clause 5) have been included; j) property classes 70 and 80 have been added in Table 3. Previous editions DIN ISO 7380: 1998-02, 2004-05 National Annex NA (informative) Bibliography DIN EN 26157-1, Fasteners Surface discontinuities Bolts, screws and studs subject to general require
12、ments DIN EN 26157-3, Fasteners Surface discontinuities Bolts, screws and studs subject to special requirements 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 steel Par
13、t 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, Fasteners Elect
14、roplated 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 10683, Fasteners Non-electrolytically applied zinc flake coatings DIN EN ISO 23429, Gaugin
15、g of hexagon sockets 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 EN ISO 7380-1:2011-11 4 DIN ISO 965-3, ISO gen
16、eral purpose metric screw threads Tolerances Part 3: Deviations for constructional threads DIN ISO 1891, Fasteners Terminology DIN ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 7380-1 August 2011 ICS 21.060.10 Supe
17、rsedes EN ISO 7380:2004English Version Button head screws - Part 1: Hexagon socket button head screws (ISO 7380-1:2011) Vis tte cylindrique bombe plate - Partie 1: Vis tte cylindrique bombe plate six pans creux (ISO 7380-1:2011) Schrauben mit abgeflachtem Halbrundkopf - Teil 1: Schrauben mit abgefla
18、chtem Halbrundkopf mit Innensechskant (ISO 7380-1:2011) This European Standard was approved by CEN on 22 July 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
19、 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 exists in three official versions (English, French, German). A version in any other languag
20、e 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 standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark,
21、Estonia, Finland, France, 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
22、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 7380-1:2011: EEN ISO 7380-1:2011 (E) 2 Contents PageForeword31 Scope 42 Normative referenc
23、es 43 Dimensions.54 Requirements and reference International Standards.85 Designation 9Bibliography 10DIN EN ISO 7380-1:2011-11 EN ISO 7380-1:2011 (E) 3 Foreword This document (EN ISO 7380-1:2011) has been prepared by Technical Committee ISO/TC 2 “Fasteners” in collaboration with Technical Committee
24、 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 by February 2012, and conflicting national standards shall be withdrawn at the latest
25、by February 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 patent rights. This document, together with EN ISO 7380-2:2011, supersedes EN ISO 7
26、380:2004. 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, Finland, France, Germany, Greece, Hungary, Icelan
27、d, 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 7380-1:2011 has been approved by CEN as a EN ISO 7380-1:2011 without any modification. DI
28、N EN ISO 7380-1:2011-11 EN ISO 7380-1:2011 (E) 4 1 Scope This International Standard specifies the characteristics of hexagon socket button head screws with threads from M3 up to and including M16, with product grade A and with reduced loadability according to Table 3. If, in special cases, specific
29、ations other than those listed in this International Standard are required, they can be selected from existing International Standards, e.g. ISO 261, ISO 888, ISO 898-1, ISO 965-2, ISO 3506-1 and ISO 4759-1. 2 Normative references The following referenced documents are indispensable for the applicat
30、ion 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 descriptions of dimensions ISO 261, ISO general purpose m
31、etric 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 purpose metric screw threads Tolerances Part 2: Limits of siz
32、es 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 3506-1, Mechanical properties of corrosion-resistant stainless st
33、eel 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 grades A, B and C ISO 6157-1, Fasteners Surface discontinuitie
34、s Part 1: Bolts, screws and studs for general requirements ISO 6157-3, Fasteners Surface discontinuities Part 3: Bolts, screws and studs for special requirements DIN EN ISO 7380-1:2011-11 EN ISO 7380-1:2011 (E) 5 ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts ISO 10683, F
35、asteners Non-electrolytically applied zinc flake coatings ISO 23429, Gauging of hexagon sockets 3 Dimensions See Figure 1 and Table 1. Symbols and descriptions of dimensions are specified in ISO 225. Key rsunderhead radius for a screw with unthreaded shank rtunderhead radius for a fully threaded scr
36、ew adsapplies if values of ls,minare specified. bIn accordance with ISO 4753, point chamfered or for sizes M4 “as rolled”. cIncomplete thread u 2P. dA slight rounding or countersink at the mouth of the socket is permissible. eFor broached sockets which are at the maximum limit of size, the overcut r
37、esulting from drilling shall not exceed one third of the length of any flat of the socket which is e/2. fPermissible alternative form of socket. Figure 1 Hexagon socket button head screw DIN EN ISO 7380-1:2011-11 EN ISO 7380-1:2011 (E) 6 Table 1 Dimensions of hexagon socket button head screws Dimens
38、ions in millimetres Thread, d M3 M4 M5 M6 M8 M10 M12 M16 Pa 0,5 0,7 0,8 1 1,25 1,5 1,75 2 bb ref. 18 20 22 24 28 32 36 44 damax. 3,6 4,7 5,7 6,8 9,2 11,2 13,7 17,7 max. 5,70 7,60 9,50 10,50 14,00 17,50 21,00 28,00 dkmin. 5,40 7,24 9,14 10,07 13,57 17,07 20,48 27,48 dLref. 2,6 3,8 5,0 6,0 7,7 10,0 12
39、,0 16,0 max. 3 4 5 6 8 10 12 16 dsmin. 2,86 3,82 4,82 5,82 7,78 9,78 11,73 15,73 dwmin. 5,00 6,84 8,74 9,57 13,07 16,57 19,68 26,68 ecd min. 2,303 2,873 3,443 4,583 5,723 6,863 9,149 11,429 max. 1,65 2,20 2,75 3,30 4,40 5,50 6,60 8,80 k min. 1,40 1,95 2,50 3,00 4,10 5,20 6,24 8,44 max. 3,70 4,60 5,7
40、5 6,15 7,95 9,80 11,20 15,30 rfmin. 3,30 4,20 5,25 5,65 7,45 9,20 10,50 14,50 rsmin. 0,10 0,20 0,20 0,25 0,40 0,40 0,60 0,60 rtmin. 0,30 0,40 0,45 0,50 0,70 0,70 1,10 1,10 nom. 2 2,5 3 4 5 6 8 10 max. 2,080 2,580 3,080 4,095 5,140 6,140 8,175 10,175 sd min. 2,020 2,520 3,020 4,020 5,020 6,020 8,025
41、10,025 t min. 1,04 1,30 1,56 2,08 2,60 3,12 4,16 5,20 w min. 0,20 0,30 0,38 0,74 1,05 1,45 1,63 2,25 DIN EN ISO 7380-1:2011-11 EN ISO 7380-1:2011 (E) 7 Table 1 (continued) Dimensions in millimetres Thread, d M3 M4 M5 M6 M8 M10 M12 M16 le lsand lgflslglslglslglslglslglslglslglslgnom. min. max. min. m
42、ax. min. max. min. max. min. max. min. max. min. max. min. max. min. max.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 20 19,58 20,42 25 24,58 25,42 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
43、 16 21 10,75 17 5,5 13 50 49,5 50,5 24 28 21 26 15,75 22 10,5 18 55 54,4 55,6 26 31 20,75 27 15,5 23 10,25 19 60 59,4 60,6 31 36 25,75 32 20,5 28 15,25 24 65 64,4 65,6 30,75 37 25,5 33 20,25 29 11 21 70 69,4 70,6 35,75 42 30,5 38 25,25 34 16 26 80 79,4 80,6 45,75 52 40,5 48 35,25 44 26 36 90 89,4 90
44、,6 50,5 58 45,25 54 36 46 aP is the pitch of the thread. bFor lengths between the bold, stepped lines in the unshaded area. cemin= 1,14 smin. dCombined gauging of socket dimensions, e and s, as specified in ISO 23429. eThe range of preferred lengths is between the bold, stepped lines. fLengths in th
45、e shaded area are threaded to the head within 3P. Lengths below the shaded area have values of lgand lsinaccordance with the following equations: lg,max= lnom b ls,min= lg,max 5P DIN EN ISO 7380-1:2011-11 EN ISO 7380-1:2011 (E) 8 4 Requirements and reference International Standards See Tables 2 and
46、3. Table 2 Requirements and reference International Standards Material Steel Stainless steel General requirements International Standard ISO 8992 Tolerance class 5g6g for property class 12.9/12.9 6g for other property classes Thread International Standard ISO 261, ISO 965-2, ISO 965-3 Property class
47、/steel grade8.8, 10.9, 12.9/12.9aA2-70, A3-70, A4-70, A5-70 A2-80, A3-80, A4-80, A5-80 Marking symbol 08.8, 010.9, 012.9/012.9 A2-070, A3-070, A4-070, A5-070A2-080, A3-080, A4-080, A5-080bMechanical property International Standard ISO 898-1cISO 3506-1dProduct grade A Tolerance International Standard
48、 ISO 4759-1 As processed. Requirements for electroplatingeare specified in ISO 4042. Requirements for non-electrolytically applied zinc flake coatings are specified in ISO 10683. As processed. Finish Coating Additional requirements or other finishes or coatings shall be agreed between the supplier a
49、nd the purchaser. Surface integrity Limits for surface discontinuities are specified in ISO 6157-1 and for property class 12.9/12.9 in ISO 6157-3. Acceptability The acceptance inspection is specified in ISO 3269. aCaution is advised when the use of property class 12.9/12.9 is considered. The capability of the fastener manufacturer, the service cond
