BS ISO BRITISH STANDARD 11900-1:2007 Tools for pressing - Ball-lock punch retainers - Part l: Types A and B, rectangular and square for light duty ICS 25.120.10 BSi NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTL British Standards BS IS0 11900-1:2007 National foreword This British Standard was published by BSI. It is the UK implementation of ISO 11900-1:2007. The UK participation in its preparation was entrusted to Technical Committee MTE/12, Tools for pressing and moulding. A list of organizations represented on MTE/12 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. Compliance with a British Standard cannot confer immunity from legal obligations. ThisBritish Standardwas Amendmentsissuedsincepublication published under the authority of the Standards Policy and Amd. No. Date Comments StrategyCommittee on 28 February 2007 C BSI 2007 ISBN 978 0 580 50189 0 BS ISO 11900-1:2007 INTERNATIONAL ISO STANDARD 11900-1 Second edition 2007-02-01 Tools for pressing Ball-lock punch retainers Part 1: Types A and B, rectangular and square for light duty Outillage de presse - Porte-poincons pour poincons a bille - Partie 1: Types A et B, rectangulaire et carre pour toles minces Reference number ISO 11900-1:2007(E) = BS ISO 11900-1:2007 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 established has the right to be represented on that committee. International organizations, governmental and 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. pressing and moulding. revision. In particular, the references given in Clause 2 have been updated, and the indication of surface textures has been updated in accordance with ISO 1302:2002. Iso 11900 consists of the following parts, under the general title Tools for pressing - Ball-lock punch retainers: Part 1: Types A and B, rectangular and square for light duty Part 2: Types C and D, reduced for light duty Part 3: Type E, reduced for heavy duty ii blank BS IS0 11900-1:2007 Tools for pressing Ball-lock punch retainers - Part 1: Types A and B, rectangular and square for light duty 1 Scope This part of isO 11900 specifies the dimensions and tolerances, in millimetres, of ball-lock punch retainers, type A (rectangular) and type B (square), for light duty, and of their backing plates. The main use of ball-lock punch retainers and their backing plates is the retention of ball-lock punches, in accordance with sO 10071-1, when punching holes in steel sheets. It gives material guidelines and hardness requirements, and specifies the designation of ball-lock punch retainers in accordance with this part of IsO 11900. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IsO273:1979,Fasteners/Clearanceholesforboltsandscrews ISO 4762:2004,