ASME_Y14
2001
Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASME Y14.6ADOPTION NOTICEASME Y14.6,Screw Thread Representation,was adopted on 2 November 2001 for use by theDepartment of Defense,DoD.Proposed changes by DoD activities must be submitted to theDoD Adopting Activity:Commander,US Army TACOM-ARDEC,ATTN:AMSTA-AR-QAW-E,Picatinny Arsenal,NJ 07806-5000.Copies of this document may be purchased from The AmericanSociety of Mechanical Engineers(ASME),22 Law Drive,P.O.Box 2900,Fairfield,NJ 07007-2900;http:/www.asme.org.Custodians:Adopting Activity:Army ARArmy ARNavy SAAir Force 16(Project DRPR 0361)DLA DHReview Activities:Army AT,AV,CE,CR,EA,GL,MI,SM,TENavy AS,CH,EC,MC,OS,SH,TD,YDAir Force 11,13,19,68,70,71,80,84,99DLA CC,GS,ISNSA NSAMSC N/AAREA DRPRDISTRIBUTION STATEMENT A.Approved for public release;distribution is unlimited.Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.AN AMERICAN NA TIONAL ST ANDARDSCREW THREADREPRESENTATIONASME Y14.6-2001Revision and Consolidation of ANSI Y14.6-1978(R1998)and ANSI Y14.6M-1981(R1998)Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:September 23,2002The next edition of this Standard is scheduled for publication in 2006.Therewill be no addenda or written interpretations of the requirements of thisStandard 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 forAmerican National Standards.The Standards Committee that approved the code or standardwas balanced to assure that individuals from competent and concerned interests have had anopportunity to participate.The proposed code or standard was made available for public reviewand comment that 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 inconnection withany itemsmentioned inthis document,and doesnot undertaketo insureanyoneutilizing a standard against liability for infringement of any applicable letters patent,nor assumeany such liability.Users of a code or standard are expressly advised that determination of thevalidity of any such patent rights,and the risk of infringement of such rights,is entirely theirown responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not tobe interpreted as government or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued inaccordance with the established ASME procedures and policies,which precludes the issuanceof 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 2002 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll Rights ReservedPrinted in U.S.A.Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.vCommittee Roster.vi1General.11.11Scope.1.21Application.1.31Applicable Documents.1.42Definitions.2Thread Types.22.12Straight Threads.2.22Taper Threads.2.32Acme Threads.2.42Stub Acme Threads.2.52Buttress Threads.3Requirements.23.12Thread Representation.3.27Thread Specification.3.315Dimensioning.Tables1 Thread Series Designations.32 Designations for UN,UNJ,UNR,and N Thread Series.4Figures1 Simplified Representation of Threads.42 Schematic Representation of Threads.43 Detailed Representation of Threads.44 Simplified Representation of Assembled Threads.55 Multiple Thread Representations of Assembled Parts.56 Simplified Representation of Helical Coil Inserts.57 Simplified Representation of Taper Threaded Parts.58 Simplified Representation of Assembled Tapered Parts.59 Specifying Incomplete Thread Lengths.610 Specifying Shank and Incomplete Thread Lengths.611 Specifying Incomplete Thread Lengths and Shoulder Fillet Radius.612 Specifying Shank,Unthreaded,and Threaded Lengths and Undercut Diameter.613 Specifying Bottoming Relief Radii and Lengths.714 Detailed Representation of Helical Coil Inserts.715 Screw Thread