1984_2016.pdf

REAFFIRMED 2016Intentionally left blank AN AMERICAN NATIONAL STANDARD Gages and Gaging for Metric M Screw Threads ANWASME Bl.l6M-1984(REVISION OF ANSI B1.16-1972)SPONSORED AND PUBLISHED BY THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS United Engineering Center 345 East 47th Street New York,N.Y.10017 Date of Issuance:April 30.1985 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.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 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 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 0 1985 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A.(This Foreword is not part of ANSI/ASME 81.16M-1984.)The first issue of ANSI Bl.16 was approved and formally designated as an American National Standard on April 28,1972.It was developed by Subcommittee 2 of the Bl Committee to serve as the American practice regarding the specifications and dimensions for gages applied to metric screw threads.As in the first issue,this Edition of ANSI Bl.16M follows the American practice for the design and tolerances for gages of this type,except for the truncations of the HI/LO elements,which are more in line with the truncations specified in IS0 1502.This new publication,designated ANSI!ASME Bl.16M-1984,has had considerable new material added to cover the many options of gages and measuring equipment shown in ANSI Bl.3M,Screw Thread Gaging Systems for Dimensional Acceptability.It has also retained HI and LO functional gages but has eliminated gages with pitch diameter outside product thread limits.It also includes tabulated values for the specifications of gage elements for the standard series of metric M screw thread sizes listed in ANSI Bl.13M,Metric Screw Threads-M Profile.ANSIjASME Bl.16M was approved by the ASME Standards Committee Bl on April 27,1984.The proposed Standard was submitted by the ASME Board of Stan-dardization to the American National Standards Institute.It was approved and formally designated an American National Standard on May 25,1984.111 Intentionally left blank ASME STANDARDS COMMITTEE 61 Standardization and Unification of Screw Threads(The following is the roster of the Committee at the time of approval of this Standard.)OFFICERS D.J.Emanuelli,Chairman H.W.Ellison,Vice Chairman C.E.Lynch,Secretary COMMITTEE PERSONNEL AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA,INC.G.G.Gerber,McDonnell Douglas,St.Louis,Missouri H.Borrman,Alternate,Sperry Gyroscope Division,Great Neck,New York AMERICAN IRON AND STEEL INSTITUTE F.Dallas.Jr.,Sawhill Tubular Division,Sharon,Pennsylvania AMERICAN MEASURING TOOL MANUFACTURERS ASSOCIATION D.Dodge,Pennoyer-Dodge Co.,Glendale,California C.W.Jatho,Akernate,American Measuring Tool Manufacturers Association,Birmingham,Michigan AMERICAN PIPE FITTINGS ASSOCIATION W.C.Farrell,Stockham Valves and Fittings,Birmingham,Alabama DEFENSE INDUSTRIAL SUPPLY CENTER E.Schwartz,Defense Industrial Supply Center,Philadelphia,Pennsylvania F.S.Ciccarone,Alternate,Defense Industrial Supply Center,Philadelphia,Pennsylvania ENGINE MANUFACTURERS ASSOCIATION G.A.Russ,Cummins Engine Co.,Columbus,Indiana FARM AND INDUSTRtAL EQUIPMENT INSTITUTE J.F.Nagy.Ford Motor Co.,Dearborn,Michigan INDUSTRIAL FASTENERS INSTITUTE R.B.B&ford,industrial Fasteners Institute,Cleveland,Ohio R.M.Harris,Bethlehem Steel Co.,Lebanon,Pennsylvania K.E.McCullough,SPS Te