1、Cross recessed pan head drilling screws with tapping screw thread (IS0 15481 : 1999) English version of DIN EN IS0 15481 ICs 21.060.10 DIN EN IS0 15481 - Flachkopf-Bohrschrauben mit Kreuzschlitz mit Blechschraubengewinde (IS0 15481 : 1999) This standard, together with DIN EN IS0 10666, DIN EN IS0 15
2、480, DIN EN IS0 15482, and DIN EN IS0 15483, February 2000 editions, supersedes DIN 7504, September 1995 edition. European Standard EN IS0 15481 : 1999 has the status of a DIN Standard. A comma is used as the decimal marker. National foreword This standard has been published in accordance with a dec
3、ision taken by CEN/TC 185 to adopt, without alteration, International Standard IS0 15481 as a European Standard. The responsible German body involved in its preparation was the Normenausschuss Mechanische Ver- bindungselemente (Fasteners Standards Committee). The DIN Standards corresponding to the I
4、nternational Standards referred to in clause 2 of the EN are as follows: IS0 Standard DIN Standard IS0 1478 IS0 3269 IS0 4042 IS0 7721 DIN EN 27721 IS0 10666 DIN EN IS0 1478 DIN EN IS0 3269*) DIN EN IS0 4042 IS0 4759-1 DIN EN IS0 4759-1 *) DIN EN IS0 10666 Amendments DIN 7504, September 1995 edition
5、, has been superseded by the specifications of EN IS0 15481, which is identical to IS0 15481. Previo us edit ions DIN 7504: 1982-1 1, 1992-02, 1995-09. National Annex NA Standards referred to (and not included in Normative references and Annex ZA) DIN EN 27721 DIN EN IS0 1478 DIN EN IS0 3269 DIN EN
6、IS0 4042 DIN EN IS0 4759-1 DIN EN IS0 10666 Countersunk head screws - Head configuration and gauging (IS0 7721 : 1983) Tapping screw threads (IS0 1478 : 1999) Fasteners - Acceptance inspection (ISO/DIS 3269 : 1998)*) Fasteners - Electroplated coatings (IS0 4042 : 1999) Tolerances for fasteners - Par
7、t 1 : Bolts, screws, studs and nuts - Product grades A, B and C (ISO/DIS 4759-1 : 1997)*) Drilling screws with tapping screw thread - Mechanical and functional properties (IS0 10666 : 1999) *) At present at draft stage. EN comprises 5 pages. Q No part of this standard may be reproduced without the p
8、rior permission of Ref. No. DIN EN IS0 15481 : 2000-02 DIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany, has the exclusive right of sale for German Standards (DIN-Normen). English price group 07 Sales No. 1107 07.00 EUROPEAN STANDARD NORME EUROPENNE EUROPISCH
9、E NORM EN IS0 15481 August 1999 ICs 21.060.1 O English version Cross recessed pan head drilling screws with tapping screw thread (IS0 15481 : 1999) Vis autoperceuses tte cylindrique bombe large empreinte cruci- forme, avec filetage de vis tle (IS0 15481 : 1999) Flachkopf-Bohrschrauben mit Kreuzschli
10、tz mit Blechschrauben- gewinde (IS0 15481 : 1999) This European Standard was approved by CEN on 1999-07-1 6. CEN members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterat
11、ion. Up-to-date lists and bibliographical references concerning such national stand- ards may be obtained on application to the Central Secretariat or to any CEN member. The European Standards exist in three official versions (English, French, German). A version in any other language made by transla
12、tion under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland
13、, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1999. CEN - All rights of ex
14、ploitation in any form and by any means reserved worldwide for CEN national members. Ref. No. EN IS0 15481 : 1999 E Page 2 EN IS0 15481 : 1999 Foreword International Standard IS0 15481 : 1999 Cross recessed pan head drilling screws with tapping screw thread, which was prepared by ISO/TC 2 Fasteners
15、of the International Organization for Standardization, has been adopted by Technical Committee CEN/TC 185 Threaded and non-threaded mechanical fasteners and acces- sories, the Secretariat of which is held by DIN, as a European Standard. This European Standard shall be given the status of a national
16、standard, either by publication of an identical text or by endorsement, and conflicting national standards withdrawn, by February 2000 at the latest. In accordance with the CENKENELEC Internal Regulations, the national standards organizations of the follow- ing countries are bound to implement this
17、European Standard: Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom. Endorsement notice The text of the International Standard IS0 15481 : 1999 w
18、as approved by CEN as a European Standard without any modification. NOTE: Normative references to international publications are listed in Annex ZA (normative). 1 Scope This International Standard specifies the characteristics of cross recessed pan head drilling screws with tapping screw threads fro
19、m ST2,9 up to and including ST6,3. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do no
20、t apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Member
21、s of IS0 and IEC maintain registers of currently valid International Standards. IS0 1478:1999, Tapping screw thread. IS0 3269:-), fasteners - Accepfance inspection. IS0 4042: 1 999, Fasteners - Electroplated coatings. IS0 4757:1983. Cross recesses for screws. IS0 4759-1 :d), Tolerances for fasteners
22、 - fart 1: Bolts, screws, studs and nuts - Product grades A, i3 and C. IS0 10666: 1999, Drilling screws with tapping screw thread - Mechanical and functional properties. To be published. (Revision of IS0 3269:1988) *)To be published. (Revision of IS0 4759-1:1978) Page 3 EN IS0 15481 : 1999 3 Dimensi
23、ons See Figure 1 and Table 1. Cross recess Type H Type I a The function of the drilling point (diameter dp) is specified in IS0 10666. Figure 1 Page 4 EN IS0 15481 : 1999 Thread size ST2,9 ST3,5 Pa 1 ,I 1,3 Ub max. 1 ,I 13 Table 1 - Dimensions Dimensions in millimetres ST4,2 ST4, ST5,5 ST6,3 1,4 1,6
24、 1,8 13 1,4 1,6 1,8 1,8 max. min. k max. da max. I 33 I 4,l I 4,9 I 5.6 I 6,3 I 7,3 5,6 7,OO 8,OO 9,50 11,oo 12,oo 5,3 6,64 7,64 9,14 10,57 11,57 2,40 2,60 3,1 3,7 4,o 4,6 - Recess No. min. I 2,15 I 2,35 I 2,8 I 3,4 I 3,7 I 4,3 5 6 65 8 9 10 1 2 3 Cross Type H Penetration max. recess min. ln ref. m
25、ref. I 3 I 3,9 I 4,4 I 4,9 I 6,4 I 6,9 1,8 1,g 2,4 2,9 3,1 3,6 1,4 1,4 1,9 2,4 2,6 3,1 3 4 4.4 4.8 6.2 6.8 Drilling range from (sheet or plate thickness) C 1 nom. min. max. 9.5 8.75 10.25 to Type Z Penetration max. I 1,75 I 1,9 I 2,35 1 2,75 I 3,OO I 3,50 0,7 0,7 1,75 1,75 1,75 2 13 2,25 3 4,4 5,25
26、6 1, min. 3.25 I 2.85 I min. I 1,45 I 1,5 I 1,95 1 2,3 I 2,55 1 3,05 22 25 21 23 15,l 13,3 11,7 11 10 24 26 18.1 16.3 14.7 14 13 45 50 32 I 30,75 I 33,25 I I I 23 1 21,5 I 21 I 20 43,75 46,25 343 34 33 48.75 51.25 39.5 39 38 38 I 36,75 I 39,251 I I I 29 I 27,5 I 27 I 26 a P is the pitch of the threa
27、d. a IS the distance from the underside of the head to the first major diameter of the thread In order to determine the nominal length 1 it may be necessaty to add an air gap (if present) to the individual sheet or plate thicknesses Ig is the distance from the underside of the head to the last major
28、 diameter of the thread. Page 5 EN IS0 15481 : 1999 Material International Standard 4 Specifications and reference International Standards Steel IS0 10666 See Table 2. Cross recesses International Standard Mechanical and functional International Standard properties Tolerances Product grade IS0 4757
29、IS0 10666 A Thread Finish Acceptability International Standard I I Plain Requirements for electroplating are covered in IS0 4042. Acceptance procedure is covered in IS0 3269. IS0 1478 International Standard I IS0 4759-1 5 Designation EXAMPLE A cross recessed pan head drilling screw with thread ST3,5
30、, nominal length ! = 16 mm and recess type Z is designated as follows: Drilling screw IS0 15481 - ST3,5 x 16 - Z Annex ZA (normative) Normative references to international publications with their relevant European publications This European Standard incorporates by dated or undated reference, provis
31、ions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. Publication YearTitle EN yeaJ IC0 1478 1983 Tapping screws thread EN IS0 1478 1994 IS0 4042 1999 Fasteners - Electroplated coatings EN IS0 4042 1999
