ISO INTERNATIONAL STANDARD 23429 First edition 2004-01-15 Gauging of hexagon sockets Calibrage des six pans creux Reference number ISO23429:2004(E) ISO @ ISO 2004 ISO 23429:2004(E) PDF disclaimer 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 instailed 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 atrademark 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 @ISO2004 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-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2004 - All rights reserved ISO 23429:2004(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies non-governmental, in liaison with isO, also take part in the work. IsO collaborates closely with the International 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. ISO 23429 was prepared by Technical Committee ISO/TC 2, Fasteners. rdization'ghts reserved Copvriaht International Oraanization for Standardizatior ISO 23429:2004(E) INTERNATIONAL STANDARD Gauging of hexagon sockets 1 Scope This International Standard specifies gauges for hexagon sockets with tolerances as specified in IsO 4759-1. 2 Normative references references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. 3 Dimensions For gauge dimensions see Figure 1 and Table 2. For design rules for gauge dimensions see Table 1. 4 Designation Gauge ISO 23429 - 10 ganizationforStandar ization'ghts reserved 1 ISO23429:2004(E) a) Regular construction b) Optional constructions of GO members and NoT GO members for small sizes a GO member. b Panel for marking GO. c NOT GO member. d Panel for marking NOT GO. e Socket size (width across flats). f 5° chamfer optional. Figure1-Gaugedimensions Table 1Design rules for gauge dimensions Dimensions in millimetres Gaugetype Dimensions GO gauge for dimension sa Amax = Smin - 0,001 Amin = Amax - 0,003 (s ≤ 2) Amin = Amax - 0,005(s > 2) GO gauge for dimension eb Bmax = emin - 0,005 Bmin = Bmax - 0,005 NOT GO gauge for dimension s Xmin = Smax + 0,001 Xmax = Xmin + 0,002(s ≤ 2) Xm =Xmin +0,005(s>2) a Width across flats of socket. b Width across corners of socket. @IsO2004-All rightsreserved ISO23429:2004(E) Table 2 Gauge dimensions Dimensions in millimetres Nominal socket size, $ 0,7 0,9 1,3 1,5 2 2,5 3 4 5 6 8 GO gauge: 0,709 0,886 1,274 1,519 2,019 max. 2,519 3,019 4,019 5,019 6,019 8,024 A Width across flat min. 0,706 0,883 1,271 1,516 2,016 2,514 3,014 4,014 5,014 6,014 8,019 GO gauge: max. 0,804 1,006 1,449 1,728 2,298 2,868 3,438 4,578 5,718 6,858 9,144 B Width across corners min. 0,799 1,001 1,444 1,723 2,293 2,863 3,433 4,573 5,713 6,853 9,