ASME_B18.8.6m-1994.pdf

ASME B i -.6 H 94 m 0759670 0543674 340 m Copyright ASME International Provided by IHS under license with ASME Licensee=University of Alberta/5966844001,User=trert,rtyrtyrtyNot for Resale,03/07/2015 13:08:38 MSTNo reproduction or networking permitted without license from IHS-,-,-ASIE B18-8.bl 74=0757670 0543b75 287 AN AMERICAN NATIONAL STANDARD Cotter Pins,Metric Series ASME B18.8.6M-1994 The American Society of Mechanical Engineers 345 East 47th Street,New York,N.Y.1001 7 Copyright ASME International Provided by IHS under license with ASME Licensee=University of Alberta/5966844001,User=trert,rtyrtyrtyNot for Resale,03/07/2015 13:08:38 MSTNo reproduction or networking permitted without license from IHS-,-,-ASME B L B*B-b M 94 m 0759b70 0543676 113 m Date of Issuance:June 3,1994 The 1994 edition of this Standard is being issued with an automatic addenda subscription service.The use of an addenda allows revisions made in response to public review comments or committee actions to be published as necessary;revisions published in addenda will become effective 6 months after the Date of Issuance of the addenda.The next edition of this Standard is scheduled for publication in 1998.ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard.The interpretations will be included with the above addenda service.Interpretations are not part of the addenda to the Standard.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 Consensus Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an oppor-tunity 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,reg-ulatory 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 undertakk 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 representative(s)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 vol-unteers.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.Copyright O 1994 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=University of Alberta/5966844001,User=trert,rtyrtyrtyNot for Resale,03/07/2015 13:08:38 MSTNo reproduction or networking permitted without license from IHS-,-,-ASME B L B-B-h M 74 07576711 0543677 05T FOREWORD(This Foreword is not part of ACME B18.8.6M-1994.)The need for a standard covering machine pins was recognized by industry as far back as March,1926,when the Sectional Committee on the Standardization of Machine Pins was organized under the procedure of the American Standards Association(later the United States of America Standards Institute and as of October 6,1969,the American National Standards Institute,Inc.),with the Society of Automotive Engineers and the American Society of Me-chanical Engineers as joint sponsors.For the next year or two,an effort was made via correspondence to develop a basis on which a standard for straight,taper,split,and dowel pins might be established.This correspondence developed a distinct difference of opinion on the part of the manufacturers and users of taper machine pins,which fact seemed to discourage the members of the committee from attempting standardization on any of the types of pins within its scope.The sponsor organizations made frequent efforts to revive this project through letters and the distribution of technical literature on this general subject,without avail.In December,1941,in its periodic review of standards projects for which the Society is sponsor,the ASME Standardization Committee decided that there was little hope for reviving this project and voted,subject to acceptance by the sponsors,to suggest to the ASA the transfer of this project to Sectional Committee B5 on the Standardization of Small Tools an