BS ISO 3291:2016 BSl Standards Publication Extra-long Morse taper shank twist drills bsi. BS ISO 3291:2016 BRITISH STANDARD National foreword This British Standard is the UK implementation of IS0 3291:2016 The UK participation in its preparation was entrusted to Technical Committee MTE/18, Tools tips and inserts for cutting applications A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @ The British Standards Institution 2016. PublishedbyBSIStandardsLimited2016 ISBN9780580836305 ICS 25.100.30 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2016. Amendments/corrigenda issued since publication Date Textaffected BS ISO 3291:2016 INTERNATIONAL ISO STANDARD 3291 Third edition 2016-11-01 Extra-long Morse taper shank twist drills Forets extra-longs a queue cone Morse Reference number ISO 3291:2016(E) ISO @IS02016