ISO INTERNATIONAL STANDARD 3186 Second edition 2008-08-15 Aerospace Bolts, large bihexagonal head, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes 1 250 MPa to 1 800 MPa — Dimensions Aéronautique et espace-Vis a tete bihexagonale large, avec tige normale et filetages MJ courts ou de longueur moyenne, en matériau metallique,revetuesounonrevetues,desclassesderesistance 1250 MPa a 1800 MPa—Dimensions Reference number ISO 3186:2008(E) @ISO 2008 by IHS under ted without license from IHS Not for Resale ISO3186:2008(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 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 COPYRIGHTPROTECTEDDOCUMENT @ ISO2008 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 copyright@iso.org Web www.iso.org Published in Switzerland @ ISO 2008 - All rights reserved I without license from IHS Not for Resale ISO 3186:2008(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 with the InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization. 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 paten rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 3186 was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 4. Aerospacefastenersystems. Thissecondeditioncancelsandreplacesthefirstedition(lSO3186:1994),whichhasbeentechnicallyrevised ii