ISO INTERNATIONAL STANDARD 3860 Second edition 2011-05-01 Bore cutters with key drive Form milling cutters with constant profile Fraises a alésage lisse a entrainement par clavette Fraises de forme aprofilconstant Reference number ISO 3860:2011(E) S @ ISO 2011 ISO 3860:2011(E) COPYRIGHT PROTECTED DOCUMENT @ ISO2011 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 2011 - All riahts reserved ISO 3860:2011(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 InternationalElectrotechnicalCommission(iEC)onallmattersofelectrotechnicalstandardization. International Standards are drafted in accordance with the rules given in the ISO/lEc Directives, Part 2. 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 3860 was prepared by Technical Committee ISO/TC 29, Small tools, Subcommittee SC 2, High speed steelcuttingtoolsandtheirattachments. This second edition cancels and replaces the first edition (sO 3860:1976), of which it constitutes a minor revision. In particular, the normative references have been updated and the indications of the tolerance 'ahts reserved ii