1、A M E R I C A N N A T I O N A L S T A N D A R D Metric Hex Bolts ANSI-A B.18.2.3.5M-.4979 Government Key Words:Bolt,Hex-Metric REAFFIRMED 1995 FOR CURRENT COMMlnEE PERSONNEL PLEASE SEE ASME MANUAL AS-1 1 SECRETARIAT SOCIETY OF AUTOMOTIVE ENGINEERS THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS PUBLISH
2、ED BY T H E A M E R I C A N S O C I E T Y O F M E C H A N I C A L E N G I N E E R S United Engineering Center 345 East 47th Street New York,N.Y.1001 7 Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reprodu
3、ction or distribution is permitted.Uncontrolled when printed.REAFFIRMED 2001FOR CURRENT COMMITTEE PERSONNELPLEASE E-MAIL CSasme.orgANSI B18.2.3.5M-79 26 APRIL 1979 ACCEPTANCE NOTICE This non-Government document was adopted on 26 April 1979 and is approved for use by the DoD and Federal Agencies.Metr
4、ic hex bolts shall conform to this document and Appendix JJI,which establishes standard items for Government application.Appendix 111,Tabie 4 shall be used for item selection in accordance with the part numbering system and size information contained therein.The indicated industry group has furnishe
5、d the clearances required by existing regulations.Copies of the document are stocked by DoD Single Stock Point,Naval Publications and Forms Center,Philadelphia,PA,19120,for issue to DoD activities and Federal Agencies only.Contractors and industry groups must obtain copies directly from:The American
6、 Society of Mechanical Engineers United Engineering Center,345 E.47th Street New York,NY IO01 7 or The American National Standards Institvtc 1430 Broadway,New York,NY I0018 Title of Document:Bolt,Hex-Mctric ANSI Document No.:ANSI B18.2.3.5M-1979 Date of Specific Issue Adopted:26 April 1979 Releasing
7、 Industry Group:The American Society of Mechanical Engineers Custodians:Army-AR Navy-AS Air Force-99 Review Activities:Army-AV,MI,ER Navy-MC NSA-NS DLA-IS Military Coordinating Activit)Army-,AR.(Project 5306-0620)User Activities:Army-ME,AT Navy-SH Civil Agencies:GSA-FSS NOTICE:When reaffirmation,ame
8、ndment,revision,or cancellation of this standard is initially proposed,the industry group responsible for this standard shall inform the Military Coordinating Activity of the proposed action and request their participation.No part of this document may be reproduced in any form,in an electronic retri
9、eval system or otherwise,without the prior written permission of the publisher.Date of Issuance:August 31,1979 CopyrightQ1979 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A.Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded o
10、n Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ERRATA to ANSI B18.2.3.5M-1979 METRIC HEX BOLTS Page 3,Note 18,change B1.13 to read B1.13M Page 5,in the standard shall be replaced with the second page of this errata Page 10,MAT
11、ERIAL AND FINISH CODE,change to read:A-Steel w/Cadmium Plating per QQP-416,Type 11,Class 3(5.1pm Plating Thickness),Property Class 10.9.B-Steel w/Zinc Plating per QQ-Z-325,Type 11,Class 3(5.1pm Plating Thickness),Property Class 10.9.THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS 345 East 47 Street,New
12、 York,N.Y.10017 May 1981 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.AMERICAN NATIONAL STANDARD METRIC HEX BOLTS ANSI 618.2.3.5M-1979
13、NO TE NOTE 17.3 14 SEE PROPERfY CLASS AND MANU-FACTURERS IDENTIFICATION SEE TO APPEAR ON TOP OF HEAD SEE NOTE 21 Table 1 Dimensions of Hex Bolts t E K R-ladius of Fillet B(Ref)D Nominal Bolt Dia and Thread Pitch M5 x 0.8 M6 x 1 M8 x 1.25 M10 x 1.5 M12 x 1.75 M14 x 2 M16 x 2 M20 x 2.5 M24 x 3 M30 x 3
14、.5 M36 x 4 M42 x 4.5 M48 x 5 M56 x 5.5 M64 x 6 M72 x 6 M80 x 6 M90 x 6.M100 x6 K1 Nrench,Height ing Da Fillet rransi-tion Dia-Max 5.7 6.8 9.2 11.2 13.7 15.7 17.7 22.4 26.4 33.4 39.4 45.4 52.0 62.0 70.0 78.0 86.0 96.0 107.0 Head Height Lasic)Bolt Lengths 200 Thread Length-Width AtX-Corners Body Diame
15、ter Width A C T-Flats Bolt Lengths 125ano Q 200 22 24 28 32 36 40 44 52 60 72 84 96 108 124 140 156 172 192 212 17.3 Bolt Lengths 125-16 18 22 26 30 34 38 46 54 66 78 90 102-Max-5.48 6.19 8.58 10.58 12.70 14.70 16.70 20.84 24 84 30.84 37.OO 43.OO 49.00 57.20 65.52 73.84 82.16 92.48 I 02.80-Min-8.6:1
16、0.8E 14.2C 17.55 19.8E 22.7s 26.1 i 32.95 39.55 50.55 60.7s 71.71 82.76 93.71 104.65 I 15.6C 126.54 143.07 I 59.6C-I-16.46-Max-9.24 11.55 15.01 18.48 20.78 24.25 27.7 1 34.64 41.57 53.12 63.51 75.06 86.60 98.15 09.70 21.24 32.79 50.1 1 67.43 E 17.32-Max 3.88 4.38 5.68 6.85 7.95 9.25 10.75 13.40 15.90 19.75 23.55 27.05 31.07 36.20 41.32 46.45 51.58 57.74 63.90-Min 2.4 2.8 3.7 4.5 5.2 6.2 7.O 8.8 10.5 13.1 15.8 18.2 21.o 24.5 28.o 31.5 35.0 39.2 43.4-Min 0.2 0.3 0.4 0.4 0.6 0.6 0.6 0.8 0.8 1.o 1.o
