2007_2017.pdf

Metric General Purpose Semi-Tubular RivetsAN AMERICAN NATIO NAL STANDARDASME B18.7.1M-2007Revision of ANSI/ASME B18.7.1M-1984(R2005)REAFFIRMED 2017Intentionally left blank ASME B18.7.1M-2007Revision of ANSI/ASME B18.7.1M-1984(R2005)Metric GeneralPurposeSemi-TubularRivetsAN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016Date of Issuance:October 5,2007This Standard will be revised when the Society approves the issuance of a new edition.There willbe no addenda issued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisdocument.Periodically,certain actions of the ASME B18 Committee may be published as Cases.Cases and interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org as they are issued.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 NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable forpublic review andcomment thatprovides an opportunityfor additional publicinput 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 anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent,nor assume any such liability.Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights,and the risk of infringement of such rights,isentirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies,which precludes the issuance of interpretations by individuals.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 EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2007 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword.ivCommittee Roster.vCorrespondence With the B18 Committee.vi1Introductory Notes.12General Data for Semi-Tubular Rivets.1Tables1Dimensions of Oval Head Semi-Tubular Rivets.22Length Increments and Length Tolerances for Semi-Tubular Rivets.3iiiFOREWORDASME Standards Committee B18,Subcommittee 7,has met periodically since 1979 to arriveat a metric standard to serve as a companion to ANSI B18.7.This Standard covers only oval headsemi-tubular rivets with straight holes.The Committee has declared its intent to expand thescope of the standard to include other head styles,tapered holes,full tubular rivets,and rivetcaps as their use in metric dimensions become apparent.These other styles of rivets,althoughnot included here,are available from manufacturers,and the dimensions in this Standard shouldbe the basis for further development.Because semi-tubular rivets are used in automatic assembly machines,the concentricity of theoutside edge of the head to the rivet shank is an important functional attribute.On a low ovalhead rivet,the axis of the head is very difficult to find,and therefore the true head positionmethod of measuring concentricity was not used in this Standard.The previous edition was approved by the ballot of the B18 Main Committee on June 24,1983.Following acceptance by ASME,this proposal was referred to the American National StandardsInstitute for designation as an American National Standard.This was granted on July 24,1984and last reaffirmed without change in 2005.This edition was balloted and approved by the B18 Standards Committee and B18Subcommittee 7 on December 28,2006.The proposal was submitted to the American NationalStandards Institute(ANSI)and designated as an American National Standard on March 7,2007.ivASME B18 COMMITTEEStandardization 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.)STANDARDS COMMITTEE OFFICERSD.A.Clever,ChairR.D.Strong,Vice ChairS.W.Vass,Vice ChairR.L.Crane,SecretarySTANDARDS COMMITTEE PERSONNELJ.B.Belford,Corresponding Member,Lawson Products,Inc.V.Cartina,Aztech LocknutD.A.Clever,Deere&Co.A.P.Cockman,Ford Motor Co.R.L.Crane,The American Society of Mechanical EngineersA.C.DiCola,Wrought Washer Co.B.A.Dusina,Federal Scre