INTERNATIONAL ISO STANDARD 8743 Second edition 1997-11-01 Grooved pins - Half-length centre grooved Goupilles cannelees a cannelures centrales constantes sur la moitie de la longueur non debouchantes This material is reproduced from Iso documents under International Organization for Standardization (IsoO) Copyright License number IHS/ICC/1996. Not for resale. No part of these ISO documents may be reproduced in any form, electronic retrieval system or otherwise, except as aliowed in the copyright law of the country of use, or with the prior written consent of Iso (Case postale 56, 1211 Geneva 20, Switzerland, Fax +41 22 7341079),tHSortheISOLicensor'smembers. Copyightlntematinal Organizatin for Standardization No reproduction or networking permited without license from IHS Not for Resale ISO 8743:1997(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 technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented 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 (IEC) on all matters of electrotechnical standardization. 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 8743 was prepared by Technical Committee ISO/TC 2, Fasteners. This second edition cancels and replaces the first edition (IsO 8743:1986), which has been technically revised. @ISO1997 or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm,withoutpermission inwritingfromthepublisher. Intemational Organization for Standardization Case postale 56 : CH-1211 Geneve 20. Switzerand Intemet [email protected] X.400 C=ch; a400net; p=iso; 0=isocs; S=central Noreproductionornetworking permitted without licensefromHS Not for Resale ISO 8743:1997(E) INTERNATIONALSTANDARD @ISO Grooved pins - Half-length centre grooved 1 Scope This International Standard specifies the characteristics of half-length centre grooved pins made of steel or austenitic stainless steel which have three equally spaced grooves impressed longitudinally on their exterior surface,with nominal diameter, d, from 1,5 mm to 25 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 to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEc and Iso maintain registers of currently valid International Standards. Is 3269:1988, Fasteners - Acceptance inspection. ISO3506-1:1997,Corrosion-resistantstainlesssteelfasteners-Part1:Bolts,screwsandstuds. Iso 4042:-", Fasteners -Electroplated coatings. Iso 8749:1986, Pins and gro0ved pins - Shear test. Iso 9717:1990, Phosphate conversion coatings for metals -Method of specifying requirements. 3 Dimensions See figure 1 and table 1. 1) Chamfer permissible 2) The grooving angle 7o° applies only to grooved pins made from steel as shown in clause 5. The grooving anglemaybemodified depending onresilienceof material Figure1 Copyright International Organization for Standardization ed without lice nse from IHS Not for R