ISO INTERNATIONAL STANDARD 2283 Second edition 2000-03-15 Long shank taps with nominal diameters from M3 to M24 and 1/8 in to 1 in - Reduced shank taps Taraudsamachine,aqueue longue,dediametrenominal M3a M24 et 1/8 in a1 in-Taraudsa queue dégagée Reference number ISO2283:2000(E) ISO @ISO2000 se with ISC No reproo Not for Resale ISO2283:2000(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The Iso Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO2000 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or 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 22 734 10 79 E-mail [email protected] Web www.iso.ch Printed in Switzerland @ISO2000-All rights reserved ed by IHS unde Not for Resale ISO2283:2000(E) Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(lsO liaison with isO, also take part in the work. isO collaborates closely with the International Electrotechnical Commission (IEC) on allmatters of electrotechnical standardization. International Standards aredrafted in accordancewith the rules given in theISO/lEC Directives, Part3 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 International Standard may be the subject of SC 4, Screwing taps and dies. This second edition cancels and replaces the first edition (ISO 2283:1972),which has been technically revised. Annex A of this International Standard is for information only ii otforResale NrrodctioneworkingemitedwithutlicenefrmHS Not for Resale ISO 2283:2000(E) INTERNATIONALSTANDARD Long shank taps with nominal diameters from M3 to M24 and 1/8 in to 1 in Reduced shank taps Scope This International Standard specifies thedimensionsfor reduced shanktapswith nominal diameters from M3to M24and1/8 into1inandthuscomplementsISO8051which concernsfull-diameter shanktaps. Itappliestolong shank machinetaps. Technical specifications for taps covered by this International Standard (including marking) are given in IsO 8830. This International Standard is applicable to taps intended for cutting the following threads: a)ISO metric threads coarse pitch; fine pitch. b) ISO inch threads "Unified Coarse" series (UNC) and "Unified Fine" series (UNF) The following non-recommended inch threads "British Standard Whitworth"(BSW) and "British Standard Fine" (BSF); "British Association" (BA) are given in Annex A. 2 Normativereferences 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 undated references,thelatest editionof thenormativedocument referredtoapplies.M