ISO INTERNATIONAL STANDARD 8746 Second edition 1997-11-15 Grooved pins with round head Clous cannelés a tete ronde ISO Reference number ISO 8746:1997(E) ISO 8746:1997(E) Foreword IsO (the International Organization for Standardization) is a worldwide preparing International Standards is normally carried out through IsO technicalcommittees.Eachmemberbodyinterestedinasubjectforwhich on that committee. International organizations, governmental and non- governmental, in liaison with isO, also take part in the work. .ISO collaborates closely with the International Electrotechnical Commission (lEC)onallmattersofelectrotechnicalstandardization. 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 8746 was prepared by Technical Committee ISO/TC 2, Fasteners. This second edition cancels and replaces the first edition (IsO 8746:1986), whichhasbeentechnicallyrevised @ISO1997 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced microfilm, without permission in writing from the publisher. International Organization for Standardization Case postale 56:CH-1211Geneve20·Switzerland Internet [email protected] X.400 C=ch; a=400net; p=iso; o=isocs; S=central Printed in Switzerland ii INTERNATIONAL STANDARD @ISO ISO 8746:1997(E) Grooved pins with round head 1 Scope This International Standard specifies the characteristics of round head grooved pins which have three equally spaced grooves impressed longitudinally on their exterior surface, with nominal diameter, d, from 1,4 mm to 20 mm inclusive. The displaced material to each side of the grooves forming an expanded diameter, d, which is larger than the equal to the nominal diameter d, (see clause 4). 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject possibility of applying the most recent editions of the standards indicated below. Members of IEC and IsO maintainregistersofcurrentlyvalidInternationalStandards. Is03269:1988,Fasteners-Acceptance inspection. Iso 4042:—1), Fasteners -Electroplated coatings. IsO 9717:1990, Phosphate conversion coatings for metals -Method of specifying requirements. 1) To be published. (Revision of ISO 4042:1989)