1、ASME B18.2.9-2007StraightnessGage andGaging for Boltsand ScrewsAN AMERICAN NATIONAL STANDARDThe American Society ofMechanical EngineersNot for ResaleDate of Issuance:May 11,2007This Standard will be revised when the Society approves the issuance of a new edition.There willbe no addenda issued to thi
2、s Edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard.Periodically certain actions of the ASME B18 Committee will be published as Cases.Cases and interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.
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9、Y 10016-5990Copyright2o07byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.。with ASMENo roproduction or notworking permitled without liconso from IHSNot for ResaleCONTENTSForewordivCommittee Roster.Correspondence With the B18 Committeevi1Sc0pe1Comparison With ISO 4759
10、-1:200013Referenced Standards.14Terminolo0gy.15Dimeni0n5.1Gage.11ProcedureFigures1Typical Straightness Gage.3Gaging2心so with ASMENo roproduction or notworking permitled without liconso from IHSNot for ResaloFOREWORDIn May 2001,the B18 Standards Committee authorized B18 Subcommittee 2,Externally Driv
11、enFasteners,to proceed with the development of a Standard covering straightness gage and gagingfor bolts and screws.As a result,ASME B18.2.9 was approved by the B18 Standards Committeeand B18 Subcommittee 2 in April 2006.ASME B18.2.9-2007 was approved as an American National Standard on March 7,2007.iNo roproduction or notworking permitled without liconso from IHSNot for Resalo
