8678-88 1 D-0)-08 ISO INTERNATIONAL STANDARD 8678 First edition 1988-06-15 INTERNATIONALORGANIZATIONFORSTANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION MEXKAYHAPOAHAAOPAHM3ALMRTIOCTAHAAPTM3ALIVM Cup head square neck bolts with small head and short neck --. Product grade B Vis a metaux a tete bombee a collet carre a tete reduite et collet court - Grade B Referencenumber ISO 8678:1988 (E) 8678-88 E SEhb2OO.EObTS9h 1SO 8678 : 1988 (E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (lso member bodies). The work of preparing International Standards is normally carried out through iso technical committees. Each member bodyinterested inasubjectforwhichatechnicalcommitteehasbeenestablishedhas the right to be represented on that committee. International organizations, govern- mental and non-governmental, in liaison with Iso, aiso take part in the work. Iso collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the Iso Council. They are approved in accordance with Iso procedures requiring at least75 % approval by the member bodies voting. International Standard ISO 8678 was prepared by Technical Committee ISO/TC 2, Fasteners. Users should note that all International Standards undergo revision from time to time fatest edition, unless otherwise stated. InternationalOrganizationforStandardization,1988 Printed in Switzerland pyright International Organization for Standardization omIHS Copyright Intemational Organizatin for Standardization No reproduction or networking permitted without license from IHS Not for Resale