BS EN ISO 7050:2011 BSl Standards Publication Cross-recessed countersunk (flat) head tapping screws (isO 7050:2011) bsi. ..making excellence a habit. BS EN ISO 7050:2011 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN IS0 7050:2011. It supersedes BS EN IS0 7050:1995 which is withdrawn. The UK participation in its preparation was entrusted to Technical CommitteeFME/9/3,Fasteners-ProductStandards. 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. @ BSI 2011 ISBN9780580687785 ICS 21.060.10 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 31 August 2011. Amendments issued since publication Date Text affected EN ISO 7050 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHENORM August 2011 ICS21.060.10 SupersedesENISO7050:1994 English Version Cross-recessed countersunk (flat) head tapping screws (lso 7050:2011) Visatoleatetefraiséea empreintecruciforme (iSO Senk-BlechschraubenmitKreuzschlitz (ISO7050:2011) 7050:2011) This European Standard was approved by CEN on 1 July 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, EUROPEAN COMMITTEEFOR STANDARDIZATION COMITEEUROPEENDENORMALISATION EUR OPAIS C HES KOMITEE FUR NORM UNG ManagementCentre:AvenueMarnix17,B-1000Brussels @2011CEN All rights of exploitation in any form and by any means reserved Ref.No.EN ISO 7050:2011:E worldwide for CEN national Members.