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ASME B18.24-2015
M00052507
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ASME B18.24-2015 Part Identifying Number (PIN) Code System Standard for B18 Fastener Products
standard by ASME International, 11/20/2015
Full Description
This Standard is intended to provide all users(manufacturers, distributors, design and configuration,parts control. inventory control, test and maintenancefunctions) with the capability to identify externallythreaded, internally threaded and nonthreaded fastenerproducts by a preselected order of coding as specifiedherein.In stock
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Part Identifying Number (PIN) Code System Standard for B18 Fastener Products
AN A MERICAN NA TIONAL S T AND ARD
ASME B18.24-2015
[Revision of ASME B18.24-2004 (R2011)]
ASME B18.24-2015
[Revision of ASME B18.24-2004 (R2011)]
Part Identifying Number (PIN) Code System Standard for B18 Fastener Products
AN AMERICAN NA TIONAL S T AND ARD
Two Park Avenue • New York, NY • 10016 USA
Date of Issuance: November 20, 2015
This Standard will be revised when the Society approves the issuance of a new edition.
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without the prior written permission of the publisher.
The American Society of Mechanical Engineers Two Park Avenue, New York, NY 10016-5990
Copyright © 2015 by
THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
All rights reserved Printed in U.S.A.
CONTENTS
Foreword vi
Committee Roster vii
Correspondence With the B18 Committee viii
1 | Introductory Notes....................................................... | 1 |
2 | General Guidance ........................................................ | 1 |
3 | PIN Code Structure....................................................... | 2 |
Tables | ||
1-1 | Fastener Family and Type/Base PIN .................................... | 4 |
2-1 | Thread Type ........................................................... | 25 |
2-2 | Thread and Point Options for Tapping Screws ........................... | 25 |
3-1 | Inch Thread ............................................................ | 25 |
3-2 | Inch Size ............................................................... | 25 |
3-3 | Metric Thread .......................................................... | 26 |
3-4 | Metric Size ............................................................. | 27 |
3-5 | Miniature Screw Thread ................................................ | 28 |
3-6 | Inch Tapping Screw Thread ............................................. | 28 |
3-7 | Metric Tapping Screw Thread ........................................... | 29 |
3-8 | Inch Hex Socket Head Shoulder Screw Size ............................. | 29 |
3-9 | Metric Hex Socket Head Shoulder Screw Size ........................... | 29 |
3-10 | Inch Spline Socket Set Screw Thread .................................... | 29 |
3-11 | Inch Trim Head Machine Screw Size .................................... | 29 |
3-12 | Inch Wood Screw Thread ............................................... | 30 |
3-13 | Inch Lag Screw Thread ................................................. | 30 |
3-14 | Inch Rivet Size Weight ................................................. | 30 |
3-15 | Inch Rivet Size Number ................................................ | 30 |
3-16 | Inch Rivet Size 1 ....................................................... | 30 |
3-17 | Inch Rivet Size/Length ................................................. | 30 |
3-18 | Inch Pin Size 1 ......................................................... | 31 |
3-19 | Inch Pin Size 2 ......................................................... | 31 |
3-20 | Retaining Ring Size Number ............................................ | 31 |
3-21 | Inch Retaining Ring Size ............................................... | 33 |
3-22 | Inch Washer Size 1 ..................................................... | 34 |
3-23 | Inch Washer Size 2 ..................................................... | 35 |
3-24 | Inch Washer Size 3 ..................................................... | 35 |
3-25 | Inch Washer Size 4 ..................................................... | 36 |
3-26 | Metric Washer Size 1 ................................................... | 36 |
3-27 | Metric Washer Size 2 ................................................... | 37 |
3-28 | Metric Key Size 1 ...................................................... | 37 |
3-29 | Metric Key Size 2 ...................................................... | 38 |
4-1 | Inch Length/Other ..................................................... | 38 |
4-2 | Metric Length/Other ................................................... | 40 |
4-3 | Inch Miniature Screw Length ........................................... | 41 |
4-4 | Insert Length ........................................................... | 42 |
4-5 | Inch Pin Length ........................................................ | 42 |
4-6 | Inch Eyebolt Full Thread Length ........................................ | 42 |
5-1 | Material and Treatment: ASTM Material Specifications .................. | 43 |
5-2 | Material and Treatment: UNS Carbon and Alloy Steels .................. | 82 |
5-3 | Material and Treatment: UNS Heat and Corrosion Resisting Steels ....... | 88 |
Material and Treatment: UNS Nonferrous Materials 93
Material and Treatment: SAE Material Specifications 96
Material and Treatment: ISO Material Specifications 97
Material and Treatment: IFI Material Specifications 98
Material and Treatment: B18.16.1M 98
Material and Treatment: B18.6.6 98
Plating, Coating, and Passivation: Plain, Unfinished 99
Plating, Coating, and Passivation: ASTM Finish Specifications 99
Plating, Coating, and Passivation: Government Finish Specifications 117
Plating, Coating, and Passivation: SAE Finish Specifications 117
Plating, Coating, and Passivation: ISO Finish Specifications 118
Plain: No Additional Features 120
Miscellaneous Features for Externally Threaded Fasteners 120
General Point Options 120
Features for Metric Flange Screws 120
Features for Metric 12-Spline Screws 120
Neck Options for Large Rivets 120
Cotter Pin Type 120
Pin Type 120
SEMs Washer Components 120
Wood Screw Thread Types 120
Miscellaneous Features for Socket Head Cap Screws 121
Self-Locking Elements for Set Screws 121
Thread Class for Track Bolts and Nuts 121
Alternate Points for Thumb and Wing Screws (ASME B18.6.8) 121
Nonmandatory Appendices
A | B18.24.1, B18.24.2, and B18.24.3 PIN Succession Instructions ............. | 123 |
B | B18.24.1, B18.24.2, and B18.24.3 PIN Succession Tables ................... | 128 |
C | Part Identifying Number System for Bent Bolts per ASME B18.31.5 ...... | 172 |
Figures | ||
A-1 | Instructions ............................................................ | 124 |
C-1 | Part Identification Number (PIN) System for Bent Bolts ................. | 173 |
Tables | ||
B-1 | Fastener Family ........................................................ | 128 |
B-2 | Fastener Type: Externally Threaded ..................................... | 128 |
B-3 | Fastener Type: Internally Threaded and Nonthreaded ................... | 142 |
B-4 | Thread Series: Externally Threaded ..................................... | 143 |
B-5 | Thread Series: Internally Threaded ...................................... | 143 |
B-6 | Inch Size: Externally Threaded .......................................... | 143 |
B-7 | Inch Size: Internally Threaded .......................................... | 143 |
B-8 | Metric Size: Externally Threaded ........................................ | 144 |
B-9 | Metric Size: Internally Threaded ........................................ | 144 |
B-10 | Inch Miniature Screw Size .............................................. | 144 |
B-11 | Inch Length: Externally Threaded ....................................... | 144 |
B-12 | Metric Length: Externally Threaded ..................................... | 144 |
B-13 | Inch Miniature Screw Length ........................................... | 145 |
B-14 | Length: Internally Threaded ............................................ | 145 |
B-15–B-133 | Dimensions/Other Characteristics: Nonthreaded ........................ | 145 |
B-134 | Material and Treatment A .............................................. | 160 |
B-135 | Material and Treatment B ............................................... | 163 |
B-136 | Plating, Coating, and Passivation ....................................... | 165 |
B-137 | Additional Features: Externally Threaded ............................... | 166 |
B-138 | Additional Features: Internally Threaded ................................ | 166 |
B-139 | Additional Features: Nonthreaded ...................................... | 166 |
B-140 | Cross Reference: Table 2-2 Tapping Screw Point AB ...................... | 166 |
B-141 | Cross Reference: Table 2-2 Tapping Screw Point B ....................... | 166 |
B-142 | Cross Reference: Table 2-2 Tapping Screw Point BF ...................... | 166 |
B-143 | Cross Reference: Table 2-2 Tapping Screw Point BP ...................... | 167 |
B-144 | Cross Reference: Table 2-2 Tapping Screw Point BT ...................... | 167 |
B-145 | Cross Reference: Table 2-2 Tapping Screw Point C ....................... | 167 |
B-146 | Cross Reference: Table 2-2 Tapping Screw Point D ....................... | 167 |
B-147 | Cross Reference: Table 2-2 Tapping Screw Point F ....................... | 167 |
B-148 | Cross Reference: Table 2-2 Tapping Screw Point G ....................... | 167 |
B-149 | Cross Reference: Table 2-2 Tapping Screw Point T ....................... | 167 |
B-150 | Cross Reference: Table 2-2 Tapping Screw Point U ....................... | 167 |
B-151 | Bridge to Table 3-6 for AB, B, BF, BP, BT ................................ | 167 |
B-152 | Bridge to Table 3-6 for C, D, F, G, T ..................................... | 167 |
B-153 | Bridge to Table 3-7 for AB, B, BF, BT .................................... | 167 |
B-154 | Bridge to Table 3-7 for D, F, T .......................................... | 167 |
B-155 | Bridge to Table 3-10 .................................................... | 167 |
B-156 | Bridge to Table 3-12 .................................................... | 167 |
B-157 | Bridge to Table 3-13 .................................................... | 167 |
B-158 | Cross Reference: Table 7-9 Washer Component 1 ........................ | 167 |
B-159 | Cross Reference: Table 7-9 Washer Component 2 ........................ | 167 |
B-160 | Cross Reference: Table 7-9 Washer Component 3 ........................ | 167 |
B-161 | Cross Reference: Table 7-9 Washer Component 4 ........................ | 167 |
B-162 |