1、AN AMERICAN NATIO NAL STANDARDMachine Screws and Machine Screw NutsASME B18.6.3-2003(Revision of ASME B18.6.3-1998)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.U
2、ncontrolled when printed.ASME B18.6.32003(Revision of ASME B18.6.31998)Machine Screwsand MachineScrew NutsAN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User
3、.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:June 30,2005The 2003 edition of this Standard is being issued with an automatic addenda subscription service.The use of addenda allows revisions made in response to public review comments or committeeact
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11、the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2005 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
12、 Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.viCommittee Roster.viiiCorrespondence With the B18 Committee.x1Introductory Notes.12General Data.23References.4Tables1ADimensions of Slotted Flat Countersunk Head Machine Screws.
13、61BDimensions of Type I Cross Recessed Flat Countersunk Head MachineScrews.71CDimensions of Type IA Cross Recessed Flat Countersunk HeadMachine Screws.81DDimensions of Type II Cross Recessed Flat Countersunk Head MachineScrews.91EDimensions of Type III Square Recessed Flat Countersunk HeadMachine Sc
14、rews.102ADimensions of Slotted 100 deg Flat Countersunk Head MachineScrews.112BDimensions of Type I Cross Recessed 100 deg Flat Countersunk HeadMachine Screws.122CDimensions of Type IA Cross Recessed 100 deg Flat Countersunk HeadMachine Screws.132DDimensions of Type II Cross Recessed 100 deg Flat Co
15、untersunk HeadMachine Screws.143ADimensions of Slotted Close Tolerance 100 deg Flat Countersunk HeadMachine Screws.153BDimensions of Type I Cross Recessed Close Tolerance 100 deg FlatCountersunk Head Machine Screws.163CDimensions of Type IA Cross Recessed Close Tolerance 100 degFlat Countersunk Head
16、 Machine Screws.173DDimensions of Type II Cross Recessed Close Tolerance 100 deg FlatCountersunk Head Machine Screws.184ADimensions of Slotted Oval Countersunk Head Machine Screws.204BDimensions of Type I Cross Recessed Oval Countersunk Head MachineScrews.224CDimensions of Type IA Cross Recessed Oval Countersunk HeadMachine Screws.244DDimensions of Type II Cross Recessed Oval Countersunk HeadMachine Screws.264EDimensions of Type III Square Recessed Oval Countersunk HeadMachine Screws.285ADimensi
