1、December 2011 Translation by DIN-Sprachendienst.English price group 8No 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).IC
2、S 21.060.10!$xZQ“1855546www.din.deDDIN EN ISO 7046-1Countersunk flat head screws (common head style) with type H ortype Z cross recess Product grade A Part 1: Steel screws of property class 4.8 (ISO 7046-1:2011)English translation of DIN EN ISO 7046-1:2011-12Senkschrauben (Einheitskopf) mit Kreuzsch
3、litz Form H oder Form Z Produktklasse A Teil 1: Schrauben aus Stahl mit Festigkeitsklasse 4.8 (ISO 7046-1:2011)Englische bersetzung von DIN EN ISO 7046-1:2011-12Vis mtaux tte fraise empreinte cruciforme de type H ou de type Z Grade A Partie 1: Vis en acier de classe de qualit 4.8 (ISO 7046-1:2011)Tr
4、aduction anglaise de DIN EN ISO 7046- :2011-12SupersedesDIN EN ISO 7046-1:1994-10www.beuth.deDocument comprises 12 pagesIn case of doubt, the German-language original shall be considered authoritative.112.11 DIN EN ISO 7046-1:2011-12 2 A comma is used as the decimal marker. National foreword This st
5、andard 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 (Fasten
6、ers Standards Committee), Working Committee NA 067-00-05 AA Kleinschrauben und gewindeformende Schrauben. The DIN 4000-160-3 tabular layout of article characteristics shall apply to screws covered in this standard. The DIN Standards corresponding to the International Standards referred to in this do
7、cument 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 3269 DIN EN ISO 3269 ISO 4042 DIN EN ISO 4042 ISO 4757 DIN EN ISO 4757 ISO 4759-1 DIN EN ISO 4759-1 ISO 6157-1 DIN EN 26157-1 ISO 7721 DIN EN 27721 ISO 7721-2 DIN EN ISO 7721-2 IS
8、O 8992 DIN ISO 8992 ISO 7046 consists of the following parts, under the general title Countersunk flat head screws (common head style) with type H or type Z cross recess Product grade A: Part 1: Steel screws of property class 4.8 Part 2: Steel screws of property class 8.8, stainless steel screws and
9、 non-ferrous metal screws Amendments This standard differs from DIN EN ISO 7046-1:1994-10 as follows: a) normative references are now undated; b) the titles of Part 1 and Part 2 have been aligned with each other; c) Annex ZA has been deleted. Previous editions DIN 965: 1971-12, 1984-12, 1990-08 DIN
10、ISO 7046: 1990-08 DIN EN ISO 7046-1: 1994-10 DIN EN ISO 7046-1:2011-12 3 National Annex NA (informative) 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 gener
11、al requirements DIN EN 27721, Countersunk head screw Head configuration and gauging 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 Part 1: Bolts, screws and studs
12、 with specified property classes Coarse thread and fine pitch thread DIN EN ISO 3269, Fasteners Acceptance inspection DIN EN ISO 4042, Fasteners Electroplated coatings DIN EN ISO 4757, Cross recesses for screws DIN EN ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product
13、 grades A, B and C DIN EN ISO 7721-2, 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 8992, Fasteners General r
14、equirements for bolts, screws, studs and nuts Countersunk flat head screws Part 2: Penetration depth of cross recessesDIN EN ISO 7046-1:2011-12 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 7046-1 September 2011 ICS 21.060.10 Supersedes EN ISO 7046-1:199
15、4English Version Countersunk flat head screws (common head style) with type H or type Z cross recess - Product grade A - Part 1: Steel screws of property class 4.8 (ISO 7046-1:2011) Vis mtaux tte fraise empreinte cruciforme de type H ou de type Z - Grade A - Partie 1: Vis en acier de classe de quali
16、t 4.8 (ISO 7046-1:2011) Senkschrauben (Einheitskopf) mit Kreuzschlitz Form H oder Form Z - Produktklasse A - Teil 1: Schrauben aus Stahl mit Festigkeitsklasse 4.8 (ISO 7046-1:2011) This European Standard was approved by CEN on 8 August 2011. CEN members are bound to comply with the CEN/CENELEC Inter
17、nal 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 obtained on application to the CEN-CENELEC Management Centre or to any
18、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-CENELEC Management Centre has the same status as the official ver
19、sions. 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, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, S
20、lovenia, 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 exploitation in any form and by any means reserved worldwide for CE
21、N national Members. Ref. No. EN ISO 7046-1:2011: EContents Page Foreword3 1 Scope 4 2 Normative references 4 3 Dimensions.5 4 Specifications and reference International Standards 7 5 Designation 7 Bibliography 8 DIN EN ISO 7046-1:2011-12 EN ISO 7046-1:2011 (E) 2 Foreword This document (EN ISO 7046-1
22、: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 given the status of a national standard, either by publication of an identical text or by end
23、orsement, at the latest 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 identif
24、ying any or all such patent rights. This document supersedes EN ISO 7046-1:1994. 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 Republ
25、ic, Denmark, Estonia, Finland, 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 7046-1:2011 has be
26、en approved by CEN as a EN ISO 7046-1:2011 without any modification. DIN EN ISO 7046-1:2011-12 EN ISO 7046-1:2011 (E) 3 1 Scope This part of ISO 7046 specifies the characteristics of countersunk flat head screws with threads from M1,6 to M10 inclusive, of product grade A and property class 4.8, and
27、with type H or type Z cross recess. If, in special cases, specifications other than those listed in this part of ISO 7046 are required, they can be selected from existing International Standards, for example ISO 261, ISO 888, ISO 898-1 and ISO 965-2. 2 Normative references The following referenced d
28、ocuments 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 descriptions o
29、f 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 purpose metric scr
30、ew threads Tolerances Part 2: Limits of sizes for general purpose external and internal screw threads Medium quality ISO 3269, Fasteners Acceptance inspection ISO 4042, Fasteners Electroplated coatings ISO 4757, Cross recesses for screws ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws, st
31、uds and nuts Product grades A, B and C ISO 6157-1, Fasteners Surface discontinuities Part 1: Bolts, screws and studs for general requirements ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts DIN EN ISO 7046-1:2011-12 EN ISO 7046-1:2011 (E) 4 3 Dimensions See Figure 1 and Ta
32、ble 1. Symbols and descriptions of dimensions 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 DIN EN ISO 70
33、46-1:2011-12 EN ISO 7046-1:2011 (E) 5 Table 1 Dimensions Dimensions in millimetres Thread, d M1,6 M2 M2,5 M3 (M3,5)aM4 M5 M6 M8 M10 Pb0,35 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 1
34、2,6 17,3 20 nom. = max. 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 17,78kcnom. = 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 x max. 0,9 1 1,1 1,25 1,5 1,75 2 2,5 3,2 3,8 Recess no. 0 1 2 3 4 m r
35、ef. 1,6 1,9 2,9 3,2 4,4 4,6 5,2 6,8 8,9 10 max. 0,9 1,2 1,8 2,1 2,4 2,6 3,2 3,5 4,6 5,7 Type H Penetration min. 0,6 0,9 1,4 1,7 1,9 2,1 2,7 3,0 4,0 5,1 Cross recess (Series 1, deepd) m ref. 1,6 1,9 2,8 3 4,1 4,4 4,9 6,6 8,8 9,8 max. 0,95 1,20 1,73 2,01 2,20 2,51 3,05 3,45 4,60 5,64 Type Z Penetratio
36、n min. 0,70 0,95 1,48 1,76 1,75 2,06 2,60 3,00 4,15 5,19 laenom. min. max. Approximate mass, in kilograms per 1 000 pieces ( = 7,85 kg/dm3) (for information only) 3 2,8 3,2 0,058 0,101 0,176 4 3,76 4,24 0,069 0,119 0,206 0,291 5 4,76 5,24 0,081 0,137 0,236 0,335 0,573 0,825 6 5,76 6,24 0,093 0,152 0
37、,266 0,379 0,633 0,903 1,24 8 7,71 8,29 0,116 0,193 0,326 0,467 0,753 1,06 1,48 2,38 10 9,71 10,29 0,139 0,231 0,386 0,555 0,873 1,22 1,72 2,73 5,68 12 11,65 12,35 0,162 0,268 0,446 0,643 0,993 1,37 1,96 3,08 6,32 9,54 (14) 13,65 14,35 0,185 0,306 0,507 0,731 1,11 1,53 2,2 3,43 6,96 10,6 16 15,65 16
38、,35 0,208 0,343 0,567 0,82 1,23 1,68 2,44 3,78 7,6 11,6 20 19,58 20,42 0,417 0,687 0,996 1,47 2 2,92 4,48 8,88 13,6 25 24,58 25,42 0,838 1,22 1,77 2,39 3,52 5,36 10,5 16,1 30 29,58 30,42 1,44 2,07 2,78 4,12 6,23 12,1 18,7 35 34,5 35,5 2,37 3,17 4,72 7,11 13,7 21,2 40 39,5 40,5 3,56 5,32 7,98 15,3 23
39、,7 45 44,5 45,5 5,92 8,86 16,9 26,2 50 49,5 50,5 6,52 9,73 18,5 28,8 DIN EN ISO 7046-1:2011-12 EN ISO 7046-1:2011 (E) 6 Table 1 (continued) Dimensions in millimetres Thread, d M1,6 M2 M2,5 M3 (M3,5)aM4 M5 M6 M8 M10 laenom. min. max. Approximate mass, in kilograms per 1 000 pieces ( = 7,85 kg/dm3) (f
40、or information only) (55) 54,05 55,95 10,6 20,1 31,3 60 59,05 60,95 11,5 21,7 33,8 NOTE Preferred lengths are those between the solid, bold, continuous lines. aSizes in parentheses should be avoided if possible. bP is the pitch of the thread. cSee ISO 7721. dSee ISO 7721-2. eScrews with nominal leng
41、ths 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 General requirements International Standard ISO 8992 Tolerance class 6g Th
42、read International Standard ISO 261, ISO 965-2 Property class 4.8 Mechanical property International Standard ISO 898-1 Product grade A Tolerance International Standard ISO 4759-1 Cross recess International Standard ISO 4757 As processed Requirements for electroplating are specified in ISO 4042. Fini
43、sh 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. 5 Designation EXAMPLE A cross-reces
44、sed countersunk flat head screw with thread M5, nominal length l = 20 mm, property class 4.8 and cross recess type Z is designated as follows: Countersunk flat head screw ISO 7046-1 - M5 20 - 4.8 - Z DIN EN ISO 7046-1:2011-12 EN ISO 7046-1:2011 (E) 7 Bibliography 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 3 ISO 7721-2, Countersunk flat head screws Part 2: Penetration depth of cross recesses DIN EN ISO 7046-1:2011-12 EN ISO 7046-1:2011 (E) 8
