ISO INTERNATIONAL STANDARD 15481 First edition 1999-08-01 Cross recessed pan head drilling screws with tapping screw thread Vis autoperceuses a tete cylindrique bombée large a empreinte cruciforme, avecfiletagede vis atole TSO Reference number ISO15481:1999(E) by IHS under lic 1/9972545001 itted without license from IHS ISO 15481:1999(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (isO committees. Each member body interested in a subject for which a technical committee has been established has liaison with isO, also take part in the work. sO collaborates closely 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 3. 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. International Standard ISO 15481 was prepared by Technical Committee ISO/TC 2, Fasteners. @ISO1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic InternationalOrganizationforStandardization Case postale 56· CH-1211 Geneve 20 · Switzerland Internet [email protected] Printed in Switzerland ional Organization for Standardizatior INTERNATIONAL STANDARD @ISO ISO 15481:1999(E) Cross recessed pan head drilling screws with tapping screw thread 1 Scope This International Standard specifies the characteristics of cross recessed pan head drilling screws with tapping screw threads from 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 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. Members of IsO and IEC maintain registers of currently valid International Standards. ISO 1478:1999, Tapping screw thread. Iso 3269:—1), Fasteners —Acceptance inspection. IsO4042:1999,Fasteners—Electroplatedcoatings. IsO 4757:1983, Cross recesses for screws. IsO 4759-1:2), Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product grades A, B and C. IsO 10666:1999, Drilling screws with tapping screw thread — Mechanical and functional properties. 1) To be published. (Revision of ISO 3269:1988) 2) To be published. (Revision of ISO 4759-1:1978) Copyright Intern onalOrganizationforStandardization