1、ICS 25.060.20Drill chuck tapers(ISO 239 : 1999)Bohrfutterkegel (ISO 239 : 1999)This standard incorporates International StandardISO 239 Drill chuck tapers.A comma is used as the decimal marker.National forewordThis standard has been prepared by ISO/TC 29 Small tools.The responsible German body invol
2、ved in its preparation was the Normenausschuss Werkzeuge und Spann-zeuge (Tools and Clamping Devices Standards Committee), Technical Committee Bohrfutter.AmendmentsDIN 238-2, March 1967 edition, has been superseded by the specifications of DIN ISO 239.Previous editionsDIN 238-2: 1943-02, 1962-06, 19
3、67-03.DEUTSCHE NORM December 2003DIN ISO 239 No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Supersedes DIN 238-2,March 1967 edition.English price group 07www.din.dewww.beuth.de9548965Continued overleaf.Document comprises 6 pages.04.04G04G0FG3CG5FG47G05Page 1ISO 239 : 1999Drill chuck tapersPage 2ISO 239 : 1999Page 3ISO 239 : 1999Page 4ISO 239 : 1999Page 5ISO 239 : 1999
