ASME_B107.17-2020.pdf

AN AM E R IC AN NAT IO NAL STANDARD ASME B107.17-2020(Revision of ASME B107.17-2015)Gages and Mandrels for Wrench OpeningsASME B107.17-2020(Revision of ASME B107.17-2015)Gages andMandrels forWrench OpeningsAN AMERICAN NATIONAL STANDARDxDate of Issuance:April 3,2020This Standard will be revised when the Society approves the issuance of a new edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard.Interpretations arepublishedontheCommitteewebpageandunderhttp:/go.asme.org/InterpsDatabase.PeriodicallycertainactionsoftheASMEB107 Committee may be published as Cases.Cases are published on the ASME website under the B107 Committee Page athttp:/go.asme.org/B107Committee as they are issued.Errata to codes and standards may be posted on the ASME website under the Committee Pages to provide corrections toincorrectlypublisheditems,ortocorrecttypographicalorgrammaticalerrorsincodesandstandards.Sucherratashallbeusedon the date posted.The B107 Committee Page can be found at http:/go.asme.org/B107Committee.There is an option available to automaticallyreceive an e-mail notification when errata are posted to a particular code or standard.This option can be found on theappropriate Committee Page after selecting“Errata”in the“Publication Information”section.ASME is the registered trademark of The American Society of Mechanical Engineers.ThiscodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandards.TheStandardsCommitteethatapprovedthecodeorstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanopportunityto participate.The proposed codeorstandardwasmadeavailable forpublic reviewandcommentthatprovidesanopportunityfor 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 thisdocument,anddoesnotundertaketoinsureanyoneutilizingastandardagainstliabilityforinfringementofanyapplicableletterspatent,norassumeanysuchliability.Usersofacodeorstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtherisk 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 industryendorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME proceduresand 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 EngineersTwo Park Avenue,New York,NY 10016-5990Copyright 2020 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword.ivCommittee Roster.vCorrespondence With the B107 Committee.vi1Scope.12Application.13References.14Requirements.1Figures4-1Hex Gage Dimensions.24-2Square Gage Dimensions.3Tables4.2-1Hexagon or Square(Inch Series).44.2-1MHexagon or Square(Metric Series).64.2-2Incremental Amount(Inch Series).74.2-2MIncremental Amount(Metric Series).74.2-3Spark Plug Hexagon(Inch Series).84.2-3MSpark Plug Hexagon(Metric Series).84.3.1-1Hexagon Mandrel Dimensions and Maximum Depth of Mandrel Insertion(Inch Series).94.3.1-1MHexagon Mandrel Dimensions and Maximum Depth of Mandrel Insertion(Metric Series).114.3.1-2Square Mandrel Dimensions and Maximum Depth of Mandrel Insertion(Inch Series)(For Testingof 4-or 8-Point Socket Wrenches).12iiiFOREWORDTheAmericanNationalStandardsCommitteeB107onSocketWrenchesandDriveswasoriginallyunderthesponsor-ship of The American Society of Mechanical Engineers(ASME).It was subsequently reorganized as an ASME StandardsCommittee,and its title was changed to Hand Tools and Accessories.In 1996,the Committees scope was expanded toinclude safety considerations.ThepurposeofASMEB107.17istoestablishfinalinspectiongagesizesandtestmandrelsizesforwrenchopeningsandspark plug wrench openings for inch and metric sizes.This Standard covers commonly manufactured sizes.ThisStandardmayalsobeusedasaguidebystateauthoritiesorotherregulatorybodiesintheformulationoflawsorregulations.It is also intended for voluntary use by establishments that use or manufacture the instruments covered.Changesinthe2019editionincludealignment/correctionofsignificantdigitsintoleranceswithdatacolumnsandtheconversion of mandrel dimensions from tolerances to minimum/maximum values.Members of the Hand Tools Institute Wrenches Standards Committee,through their knowledge and hard work,havebeen major contributors to the development of the B107 standards.Their active efforts in the promot