ISO INTERNATIONAL STANDARD 7046-1 Second edition 2011-09-01 Countersunk flat head screws (common head style) with type H or type Z cross recess Product grade A - Part 1: Steel screws of property class 4.8 Vis a metaux a tete fraisée a empreinte cruciforme de type H ou de type Z- Grade A - Partie 1: Vis en acier de classe de qualité 4.8 Reference number ISO 7046-1:2011(E) @ ISO 2011 ISO 7046-1:2011(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 - Allrights reserved ISO 7046-1:2011(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies technical committees. Each member body interested in a subject for which a technical committee has been non-governmental, in liaison with IsO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards 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 7046-1 was prepared by Technical Committee ISO/TC 2, Fasteners, Subcommittee SC 11, Fasteners with metric external thread. This second edition cancels and replaces the first edition (IsO 7046-1:1994), of which it constitutes a minor revision. style) with type H or type Z cross recess Product grade A: Part 1: Steel screws of property class 4.8 Part 2: Steel screws of property class 8.8, stainless steel screws and non-ferrous metal screws @ ISO 2011 - All rights reserved ili