2011_2021.pdf

AN AM E R IC AN NAT IO NAL STANDARD ASME B18.31.5-2011Bent Bolts(Inch Series)REAFFIRMED 2021ASME B18.31.5-2011Bent Bolts(Inch Series)AN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016 USADate of Issuance:December 12,2011This 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 thisStandard.Periodically certain actions of the ASME B18 Committee may be published as Cases.Casesand interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org/as they are issued.Errata to codes and standards may be posted on the ASME Web site under the Committee Pages toprovide corrections to incorrectly published items,or to correct typographical or grammatical errorsin codes and standards.Such errata shall be used on the date posted.The Committee Pages can be found at http:/cstools.asme.org/.There is an option available toautomatically receive an e-mail notification when errata are posted to a particular code or standard.ThisoptioncanbefoundontheappropriateCommitteePageafterselecting“Errata”inthe“PublicationInformation”section.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 assumes 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 2011 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword.ivCommittee Roster.vCorrespondence With the B18 Committee.vi1Introductory Notes.12General Data.2Figures1Dimensions of J-Bolts,Offset Round Bend.52Dimensions of Hook Bolts,Square Bends.53Dimensions of U-Bolts,Vee Bend.54Dimensions of Slant U-Bolts.5Tables1Dimensions of U-Bolts,Round Bend.62Dimensions of U-Bolts,Square Bends.73Dimensions of Eyebolts,Closed Anchor Ring.84Dimensions of Eyebolts,Open Anchor Ring.95Dimensions of Hook Bolts,Right Angle Bend.106Dimensions of Hook Bolts,Acute Angle Bend.117Dimensions of Round Bend Hook Bolts.11Nonmandatory AppendixAPart Identifying Number System for Bent Bolts.13iiiFOREWORDThe ASME B18 Standards Committee for the Standardization of Bolts,Nuts,Rivets,Screws,Washers,and Similar Fasteners(formerly American National Standards Committee B18)wasorganized in March 1922 as Sectional Committee B18 under the aegis of the American EngineeringStandards Committee(later the American Standards Association,then the United States ofAmericaStandardsInstitute,and,asofOctober6,1969,theAmericanNationalStandardsInstitute,Inc.)with the Society of Automotive Engineers and ASME as joint sponsors.In 1995 the SAE Ship Systems and Equipment Committee that was preparing fastener partstandards for the shipbuilding industry asked the ASME B18 Committee if there was an interestin developing dimensional standards for studs.At the December 1995 B18 meeting in Atlanta,Georgia,it was reported that a survey by ASME showed considerable interest in establishing asubcommittee to develop stud standards,and 11 representatives indicated their willingness toserve on the subcommittee.Subcommittee(SC)31,titled“Studs,”was established,and drafts ofSAE U.S.Customary and SI(Metric)stud standards were distributed for review.In April 2008,B18 SC 31 had completed work on ASME B18.31.2,which covered the studsfrom the Industrial Fasteners Institute(IFI)publication,IFI-136,Studs and Ben