ASME B18 24-2004 Part Identifying Number (PIN) Code System Standard for B18 Fastener Products《部件识别编号(PIN)》.pdf

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1、AN AMERICAN NATIONAL STANDARDPart Identifying Number (PIN) Code System Standard forB18 Fastener ProductsASME B18.24-2004(Supersedes ASME B18.24.1, B18.24.2, and B18.24.3)ASME B18.24-2004(Supersedes ASME B18.24.1, B18.24.2, and B18.24.3)Part IdentifyingNumber (PIN)Code SystemStandard for B18 Fastener

2、ProductsCOMMERCIAL AND GOVERNMENT ENTITY(CAGE) CODE FOR ASME: 05047Three Park Avenue New York, NY 10016AN AMERICAN NATIONAL STANDARDDate of Issuance: May 31, 2005The 2005 edition of this Standard is being issued with an automatic addenda subscription service. Theuse of an addenda allows revisions ma

3、de in response to public review comments or committee actionsto be published as necessary. The next edition of this Standard is scheduled for publication in 2010.ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard. Interpretations are published o

4、n the ASME Web site under the Committee Pages athttp:/www.asme.org/codes as they are issued.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 National Stan-dards. The S

5、tandards Committee that approved the code or standard was balanced to assure that individuals from com-petent and concerned interests have had an opportunity to participate. The proposed code or standard was made avail-able for public review and comment that provides an opportunity for additional pu

6、blic 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 item

7、smentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for infringe-ment of any applicable letters patent, nor assumes any such liability. Users of a code or standard are expressly advisedthat determination of the validity of any such patent right

8、s, and the risk of infringement of such rights, is entirely theirown responsibility.Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted as gov-ernment or industry endorsement of this code or standard.ASME accepts responsibility for only th

9、ose 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

10、 permission of 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.CONTENTSForeword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . viiiCommittee Roster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ixCorrespondence With the B18 Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12、. . . . x1 Introductory Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 General Guidance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 PIN Code Structure . . . . . .

13、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Tables1-1 Fastener Family and Type/Base PIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-1 Thread Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14、. . . . . . . . . . . . . . . . . . . . . 222-2 Thread and Point Options for Tapping Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223-1 Inch Thread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .223-2 Inch Size . .

15、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223-3 Metric Thread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233-4 Metric Size . . . . . . . . . . . . . . . . . . .

16、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .243-5 Miniature Screw Thread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243-6 Inch Tapping Screw Thread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17、 . . . . . . . . . 253-7 Metric Tapping Screw Thread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253-8 Inch Hex Socket Head Shoulder Screw Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253-9 Metric Hex Socket Head Shoulder Screw Size . .

18、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253-10 Inch Spline Socket Set Screw Thread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263-11 Inch Trim Head Machine Screw Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263-12 Inch

19、 Wood Screw Thread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263-13 Inch Lag Screw Thread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263-14 Inch Rivet Size Weight . . . . . . . . . . . . . . . . .

20、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263-15 Inch Rivet Size Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263-16 Inch Rivet Size 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21、 . . . . . . . . 273-17 Inch Rivet Size/Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273-18 Inch Pin Size 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273-19 Inch Pin Size 2 . .

22、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273-20 Retaining Ring Size Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273-21 Inch Retaining Ring Size . . . . . . . . . . . . . . . . . . . . . .

23、 . . . . . . . . . . . . . . . . . . . . . . . . . 293-22 Inch Washer Size 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303-23 Inch Washer Size 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24、 . . . 303-24 Inch Washer Size 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313-25 Inch Washer Size 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313-26 Metric Washer Size 1 . . . . .

25、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323-27 Metric Washer Size 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323-28 Metric Key Size 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26、. . . . . . . . . . . . . . . . . . . . . . 323-29 Metric Key Size 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324-1 Inch Length/Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

27、24-2 Metric Length/Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344-3 Inch Miniature Screw Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354-4 Insert Length . . . . . . . . . . . . . . . . . . .

28、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .354-5 Inch Pin Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354-6 Inch Eyebolt Overall Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29、. . . . . . . . . . . . . 355-1 Material and Treatment: ASTM Material Specifications . . . . . . . . . . . . . . . . . . . . . . . 36iii5-2 Material and Treatment: UNS Carbon and Alloy Steels . . . . . . . . . . . . . . . . . . . . . 685-3 Material and Treatment: UNS Heat and Corrosion Resisting Ste

30、el . . . . . . . . . . . . . 735-4 Material and Treatment: UNS Non-Ferrous Materials . . . . . . . . . . . . . . . . . . . . . . . 785-5 Material and Treatment: SAE Material Specifications . . . . . . . . . . . . . . . . . . . . . . . 805-6 Material and Treatment: ISO Material Specifications . . . .

31、 . . . . . . . . . . . . . . . . . . . 815-7 Material and Treatment: IFI Material Specifications . . . . . . . . . . . . . . . . . . . . . . . . 816-1 Plating, Coating, and Passivation: Plain, Unfinished . . . . . . . . . . . . . . . . . . . . . . . . 826-2 Plating, Coating, and Passivation: ASTM Fi

32、nish Specifications . . . . . . . . . . . . . . . . 826-3 Plating, Coating, and Passivation: Government Finish Specifications . . . . . . . . . . . 926-4 Plating, Coating, and Passivation: SAE Finish Specifications . . . . . . . . . . . . . . . . . 937-1 Plain: No Additional Features . . . . . . . .

33、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 947-2 Misc. Features for Externally Threaded Fasteners . . . . . . . . . . . . . . . . . . . . . . . . . . 947-3 General Point Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 947-

34、4 Features for Metric Flange Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 947-5 Features for Metric 12-Spline Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 947-6 Neck Options for Large Rivets . . . . . . . . . . . . . . . . . . .

35、 . . . . . . . . . . . . . . . . . . . . . 947-7 Cotter Pin Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 947-8 Pin Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

36、947-9 Sems Washer Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 947-10 Wood Screw Thread Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 957-11 Misc. Features for Socket Head Cap Screws . . . . . . . . . .

37、 . . . . . . . . . . . . . . . . . . . . 957-12 Self-Locking Elements for Set Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 957-13 Thread Class for Track Bolts and Nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95Nonmandatory AppendicesA B18.2

38、4.1, B18.24.2, and B18.24.3 PIN Succession Instructions . . . . . . . . . . . . . . . . . . . 97B B18.24.1, B18.24.2, and B18.24.3 PIN Succession Tables . . . . . . . . . . . . . . . . . . . . . . . . 102FigureA-1 Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

39、 . . . . . . . . . . . . . . . . . . . .98TablesB-1 Fastener Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102B-2 Fastener Type: Externally Threaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102B-3 Fastene

40、r Type: Internally Threaded and Nonthreaded . . . . . . . . . . . . . . . . . . . . . . 116B-4 Thread Series: Externally Threaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117B-5 Thread Series: Internally Threaded . . . . . . . . . . . . . . . . . . . . . . . . . . .

41、. . . . . . . . . . 117B-6 Inch Size: Externally Threaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117B-7 Inch Size: Internally Threaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117B-8 Metric Size: Externally Threaded .

42、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118B-9 Metric Size: Internally Threaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118B-10 Inch Miniature Screw Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

43、. . . . . . . . 118B-11 Inch Length: Externally Threaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118B-12 Metric Length: Externally Threaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118B-13 Inch Miniature Screw Length . . . . . . . .

44、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119B-14 Length: Internally Threaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119B-15B-133 Dimensions/Other Characteristics: Nonthreaded . . . . . . . . . . . . . . . . . . . 119134B-134 Mat

45、erial and Treatment A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134B-135 Material and Treatment B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137B-136 Plating, Coating, and Passivation . . . . . . . . . . . . .

46、 . . . . . . . . . . . . . . . . . . . . . . . . . 139B-137 Additional Features: Externally Threaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140B-138 Additional Features: Internally Threaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140B-139 Additional F

47、eatures: Nonthreaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140B-140 Cross Reference: Table 2-2 Tapping Screw Point AB . . . . . . . . . . . . . . . . . . . . . . . . 140ivB-141 Cross Reference: Table 2-2 Tapping Screw Point B . . . . . . . . . . . . . . . . . . .

48、. . . . 140B-142 Cross Reference: Table 2-2 Tapping Screw Point BF . . . . . . . . . . . . . . . . . . . . . . 140B-143 Cross Reference: Table 2-2 Tapping Screw Point BP . . . . . . . . . . . . . . . . . . . . . . 141B-144 Cross Reference: Table 2-2 Tapping Screw Point BT . . . . . . . . . . . . . .

49、 . . . . . . . . 141B-145 Cross Reference: Table 2-2 Tapping Screw Point C . . . . . . . . . . . . . . . . . . . . . . . 141B-146 Cross Reference: Table 2-2 Tapping Screw Point D . . . . . . . . . . . . . . . . . . . . . . . 141B-147 Cross Reference: Table 2-2 Tapping Screw Point F . . . . . . . . . . . . . . . . . . . . . . . 141B-148 Cross Reference: Table 2-2 Tapping Screw Point G . . . . . . . . . . . . . . . . . . . . . . . 141B-149 Cross Reference: Table 2-2 Tapping Screw Point T . . . . . . . . . . . . . . . . . . . . . . . 141B-150 Cross Reference: Table 2-2 Tapping Screw Point