ASME_B18.25.3M-2008.pdf

ASME B18.25.3111-1998 SQUARE AND RECTANCiUlAR KEYS AND KEYWAYS:WIDTH TOLERANCES AND DEVIATIONS GREATER THAN BASIC SUE A N A M E R I C A N N A T I O N A L S T A N D A R D The American Society of Mechanical Engineers Copyright ASME International Provided by IHS under license with ASME Licensee=FMC Technologies/5914950002 Not for Resale,05/13/2009 00:37:41 MDTNo reproduction or networking permitted without license from IHS-,-,-STDOASME B18.25.3M-ENGL 1998 IPI 0759b70 b08339 30b m The American Society of Mechanical Engineers A N A M E R I C A N N A T I O N A L S T A N D A R D SQUARE AND RECTANGULAR KEYS AND KEYWAYS:WIDTH TOLERANCES AND DEVIATIONS GREATER THAN BASIC SIlE ASME B18.25.3M-1 NM8 Copyright ASME International Provided by IHS under license with ASME Licensee=FMC Technologies/5914950002 Not for Resale,05/13/2009 00:37:41 MDTNo reproduction or networking permitted without license from IHS-,-,-Date of Issuance:January 29,1999 This Standard will be revised when the Society approves the issuance of a new edition.There will be no addenda or written interpretations of the requirements of this Standard issued to this edition.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American National Standards.The Standards committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate.The proposed code or standard was made available for public review and comment which provides an opportunity for additional public input from industry,academia,regulatory agencies,and the public-at-large.ASME does not approve,rate,or endorse any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable Letters Patent,nor assume any such liability.Users of a code or standard are expressly advised that determination of the validity of any such patent rights,and the risk of infringement of such rights,is entirely their own responsibility.Participation by federal agency representativeis)or person(s)affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations issued in accordance with governing ASME procedures and policies which preclude the issuance of interpretations by individual volunteers.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical Engineers Three Park Avenue New York,NY 10016-5990 Copyright O 1999 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A.Copyright ASME International Provided by IHS under license with ASME Licensee=FMC Technologies/5914950002 Not for Resale,05/13/2009 00:37:41 MDTNo reproduction or networking permitted without license from IHS-,-,-FOREWORD(This Foreword is not part of ASME 818.25.3M-1998)The ASME Subcommittee B18.25 was created in 1994.This subcommittee then assumed the responsibilities of ANSI Standards Committee B 17.The first endeavor of this subcommittee was to create U.S.standards for metric square and rectangular and Woodruff keys and keyways.ASME B18.25.1M covers square and rectangular keys and keyways based on the IS0 standard with modifications to reflect U.S.manufacturing and user needs.ASME B 18.25.2M covers Woodruff keys and keyways based on the IS0 standard with modifications to reflect US.manufacturing and user needs.This Standard covers what would be referred to as a“commercial”grade of square and rectangular keys and keyways.There is no IS0 standard for the keys and keyways covered by this Standard.The following document was balloted on March 6,1998.Following approval by ASME,the document was submitted to the American National Standards Institute.This Standard was approved by ANSI on June 17,1998.111 Copyright ASME International Provided by IHS under license with ASME Licensee=FMC Technologies/5914950002 Not for Resale,05/13/2009 00:37:41 MDTNo reproduction or networking permitted without license from IHS-,-,-STD*ASME B18-25.3M-ENGL ASME STANDARDS COMMITTEE BI8 Standardization of Bolts,Nuts,Rivets,Screws,Washers,and Similar Fasteners(The following is the roster of the Committee at the time of approval of this Standard.)OFFICERS D.A.Clever,Chair R.D.Strong,Vice Chair S.W.Vass,Vice Chair R.W.McGinnis,Secretary COMMITTEE PERSONNEL J.C.Akins,Safety Socket Screw Corp.J.Altman,Rotor Clip Co.J.B.Belford,Lawson Products,Inc.J.A.Buda,SPS Technologies D.A.Clever,Deere i 3 Co.A.P.Cookrnan,Ford Motor Co.T.Collier,Cam-Tech Industries,Inc.A.C.DiCola,Wrought