BS IS0 2725-1:2017 Assembly tools for screws and nuts - Square drive sockets Part 1: Hand-operated sockets bsi. BS ISO 2725-1:2017 BRITISH STANDARD National foreword This British Standard is the UK implementation ofIS02725-1:2017.It supersedes BS IS0 2725-1:20r15, which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee MTE/15, Hand tools. A listoforganizations represented onthis 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. CThe British Standards Institution 2Q17 Published by BSI Standards Limited 2017 ISBN9780580910685 ICS 25.140.30 Compliancewitha British Standard cannot conferimmunityfrom legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2017. Amendments/corrigendaissuedsincepublication Date Textaffected BS ISO 2725-1:2017 INTERNATIONAL ISO STANDARD 2725-1 Fourth edition 2017-06 Assembly tools for screws and nuts Square drive sockets - Part 1: Hand-operated sockets Outils de manceuvre pourvis et écrous-Douilles a carre conducteur femelle- Partie1:Douillesamain Referencenumber ISO 2725-1:2017(E) Tso @IS02017