BS IS0 2903:2016 Incorporating corrigendum October 2020 BSl Standards Publication IsO metric trapezoidal screw threads Tolerances bsi. BS IS0 2903:2016 BRITISH STANDARD National foreword This British Standard is the UK implementation of IS0 2903:2016. Together with BS ISO 2901:2016, BS IS0 2902:2016, BS IS0 2904:2020 and BS IS0 965-1:2013, it supersedes BS 5346:1976, which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee FME/9, Fasteners. A list of organizations represented on this committee can be obtained on request to its committee manager. 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 2020 Published by BSI Standards Limited 2020 ISBN 978 0 539 156478 ICS 21.040.10 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 September 2016 Amendments/corrigenda issued since publication Date Text affected 31 0ctober 2020 Correction to supersession details in national foreword BS ISO 2903:2016 INTERNATIONAL ISO STANDARD 2903 Third edition 2016-09- 01 IsO metric trapezoidal screw threads Tolerances Filetages meétriques trapézoidaux ISO - Tolérances Reference number ISO 2903:2016(E) ISo @ IS0 2016