ISO INTERNATIONAL 1483 STANDARD Second edition 2011-08-01 Slotted raised countersunk (oval) head tapping screws Vis a tolea tete fraisée bombée fendue Referencenumber ISO 1483:2011(E) @ISO 2011 ISO 1483:2011(E) COPYRIGHTPROTECTEDDOCUMENT ISO2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, ISO's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii @ ISO 2011 All rights reserved ISO1483:2011(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (iSO member bodies). The work of preparing International Standards is normally carried out through ISO non-governmental, in liaison with IsO, also take part in the work. Iso collaborates closely y 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/lEC Directives, Part 2. The main task of technical committees is to prepare 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 some 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. ISO1483waspreparedbyTechnical CommitteeISO/TC2,Fasteners,SubcommitteeSC13,Fastenerswith non-metric thread. Thissecondeditioncancelsandreplacesthefirstedition(isO1483:1983),whichhasbeentechnicallyrevised @ ISO 2011 - All rights reserved ili ISO 1483:2011(E) INTERNATIONALSTANDARD Slotted raised countersunk (oval) head tapping screws Scope This International Standard specifies the characteristics of slotted raised countersunk (oval) head tapping screws with thread sizes from ST 2,2 to ST 9,5 inclusive. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated ISO225,FastenersBolts,screws,studsandnutsSymbolsanddescriptionsofdimensions ISO1478,Tappingscrewsthread Iso2702,Heat-treatedsteeltappingscrews-Mechanicalproperties Iso3269,Fasteners—Acceptance inspection IsO3506-4,Mechanicalpropertiesofcorrosion-resistantstainlesssteelfasteners- Part4:Tappingscrews Iso4042,Fasteners—Electroplatedcoatings ISO4759-1,Tolerancesforfasteners—Part1:Bolts,screws,studsandnutsProductgradesA,BandC Iso7721, Countersunk head screws-Head configuration and gauging Iso8992,FastenersGeneralrequirementsforbolts,screws,studsandnuts Iso10683,FastenersNon-electrolyticallyappliedzincflakecoatings IsO16048,Passivationofcorrosion-resistantstainless-steelfasteners ISO 2011 - All rights reserved 1 ISO 1483:2011(E) 3Dimensions See Figure 1 and Table 1. Symbols and descriptions of dimensions are specified in Iso 225 a) Type C b) Type F c) Type R Edge rounded orflat. b Dimension a shall be measured at the core diameter of the first full thread. Figure1Slotted raised countersunk (oval)headtapping screw N ISO 2011 All rights reserved ISO1483:2011(E) Table1Dimensions Dimensions in millimetres Thread size ST 2,9 ST 2,2 ST 3,5 ST 4,2 ST 4,8 ST 5,5 ST 6,3 ST 8 ST 9,5 pa 0,8 1,1 1,3 1,4 1,6 1,8 1,8 2,1 2,1 0,8 1,1 1,3 1,4 1,6 1,8 1,8 2,1 2,1 max. max. 4,4 6,3 8,2 9,4 Theoreticalb 10,4 11,5 12,6 17,3 20,0 dk 5,5 7,3 8,4 3,8 9,3 max. 10,3 11,3 15,8 18,3 Actual min. 3,5 5,2 6,9 8,0 8,9 9,9 10,9 15,4 17,8 0,5 0,7 0,8 1,0 1,2 1,3 1,4 2,0 2,3 k max. 1,10 1,70 2,35 2,60 2,80 3,00 3,15 4,65 5,25 0,5 0,8 1 1,2 1,2 1,6 1,6 2 2,5 nom. 1,00 1,20 1,51 1,51 1,91 1,91 2,31 2.81 max. 0,70 0,56 0,86 1,06 1,26 1,26 1,66 1,66 min. 2,06 2,56 max. 0,8 1,2 1,4 1,6 2,0 2,2 2,4 3,