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eLibrary > ASME B18.24-2023 Part Identifying Number (PIN) Code System Standard for B18 Fastener Products >

ASME B18.24-2023 Part Identifying Number (PIN) Code System Standard for B18 Fastener Products, 2023

CONTENTS
FOREWORD
ASME B18 COMMITTEE ROSTER
CORRESPONDENCE WITH THE B18 COMMITTEE
ASME B18.24-2023 SUMMARY OF CHANGES
1 INTRODUCTORY NOTES [Go to Page]
1.1 Scope
2 GENERAL GUIDANCE [Go to Page]
2.1 Optional Coverage
2.2 Alpha “I” and “O”
2.3 Characteristics
2.4 Succession of ASME B18.24.1, ASME B18.24.2, and ASME B18.24.3 21-Character PIN Codes
2.5 Identification of Part Numbering System on Drawings
2.6 Guidance for Using ASME B18.24
3 PIN CODE STRUCTURE [Go to Page]
3.1 PIN Structure Overview
3.2 PIN Usage Guidance
Figure [Go to Page]
Figure C-1 Part Identification Number (PIN) System for Bent Bolts
Tables [Go to Page]
Sample Table 1-1 Fastener Family and Type/Base PIN
Table 1-1 Fastener Family and Type/Base PIN
Table 2-1 Thread Type
Table 2-2 Thread and Point Options for Tapping Screws
Table 3-1 Inch Thread
Table 3-2 Inch Size
Table 3-3 Metric Thread
Table 3-4 Metric Size
Table 3-5 Miniature Screw Thread
Table 3-6 Inch Tapping Screw Thread
Table 3-7 Metric Tapping Screw Thread
Table 3-8 Inch Hex Socket Head Shoulder Screw Size
Table 3-9 Metric Hex Socket Head Shoulder Screw Size
Table 3-10 Inch Spline Socket Set Screw Thread
Table 3-11 Inch Trim Head Machine Screw Size
Table 3-12 Inch Wood Screw Thread
Table 3-13 Inch Lag Screw Thread
Table 3-14 Inch Rivet Size Weight
Table 3-15 Inch Rivet Size Number
Table 3-16 Inch Rivet Size 1
Table 3-17 Inch Rivet Size/Length
Table 3-18 Inch PIN Size 1
Table 3-19 Inch PIN Size 2
Table 3-20 Retaining Ring Size Number
Table 3-21 Inch Retaining Ring Size
Table 3-22 Inch Washer Size 1
Table 3-23 Inch Washer Size 2
Table 3-24 Inch Washer Size 3
Table 3-25 Inch Washer Size 4
Table 3-26 Metric Washer Size 1
Table 3-27 Metric Washer Size 2
Table 3-28 Metric Key Size 1
Table 3-29 Metric Key Size 2
Table 4-1 Inch Length/Other
Table 4-2 Metric Length/Other
Table 4-3 Inch Miniature Screw Length
Table 4-4 Insert Length
Table 4-5 Inch PIN Length
Table 4-6 Inch Eyebolt Full Thread Length
Table 5-1 Material and Treatment: ASTM Material Specifications
Table 5-2 Material and Treatment: UNS Carbon and Alloy Steels
Table 5-3 Material and Treatment: UNS Heat and Corrosion Resisting Steels
Table 5-4 Material and Treatment: UNS Nonferrous Materials
Table 5-5 Material and Treatment: SAE Material Specifications
Table 5-6 Material and Treatment: ISO Material Specifications
Table 5-7 Material and Treatment: IFI Material Specifications
Table 5-8 Material and Treatment: ASME B18.16.1M
Table 5-9 Material and Treatment: ASME B18.16.6
Table 5-10 Material and Treatment: ASME B18.6.3
Table 5-11 Material and Treatment: ASME B18.16.4
Table 6-1 Plating, Coating, and Passivation: Plain, Unfinished
Table 6-2 Plating, Coating, and Passivation: ASTM Finish Specifications
Table 6-3 Plating, Coating, and Passivation: Government Finish Specifications
Table 6-4 Plating, Coating, and Passivation: SAE Finish Specifications
Table 6-5 Plating, Coating, and Passivation: ISO Finish Specifications
Table 7-1 Plain: No Additional Features
Table 7-2 Miscellaneous Features for Externally Threaded Fasteners
Table 7-3 General Point Options
Table 7-4 Features for Metric Flange Screws
Table 7-5 Features for Metric 12-Spline Screws
Table 7-6 Neck Options for Large Rivets
Table 7-7 Cotter PIN Type
Table 7-8 PIN Type
Table 7-9 SEMs Washer Components
Table 7-10 Wood Screw Thread Types
Table 7-11 Miscellaneous Features for Socket Head Cap Screws
Table 7-12 Self-Locking Elements for Set Screws
Table 7-13 Thread Class for Track Bolts and Nuts
Table 7-14 Alternate Points for Thumb and Wing Screws (ASME B18.6.8)
Table B-1 Fastener Family
Table B-2 Fastener Type: Externally Threaded
Table B-3 Fastener Type: Internally Threaded and Nonthreaded
Table B-4 Thread Series: Externally Threaded
Table B-5 Thread Series: Internally Threaded
Table B-6 Inch Size: Externally Threaded
Table B-7 Inch Size: Internally Threaded
Table B-8 Metric Size: Externally Threaded
Table B-9 Metric Size: Internally Threaded
Table B-10 Inch Miniature Screw Size
Table B-11 Inch Length: Externally Threaded
Table B-12 Metric Length: Externally Threaded
Table B-13 Inch Miniature Screw Length
Table B-14 Length: Internally Threaded
Table B-15 Dimensions/Other Characteristics: Nonthreaded
Table B-16 Dimensions/Other Characteristics: Nonthreaded
Table B-17 Dimensions/Other Characteristics: Nonthreaded
Table B-18 Dimensions/Other Characteristics: Nonthreaded
Table B-19 Dimensions/Other Characteristics: Nonthreaded
Table B-20 Dimensions/Other Characteristics: Nonthreaded
Table B-21 Dimensions/Other Characteristics: Nonthreaded
Table B-22 Dimensions/Other Characteristics: Nonthreaded
Table B-23 Dimensions/Other Characteristics: Nonthreaded
Table B-24 Dimensions/Other Characteristics: Nonthreaded
Table B-25 Dimensions/Other Characteristics: Nonthreaded
Table B-26 Dimensions/Other Characteristics: Nonthreaded
Table B-27 Dimensions/Other Characteristics: Nonthreaded
Table B-28 Dimensions/Other Characteristics: Nonthreaded
Table B-29 Dimensions/Other Characteristics: Nonthreaded
Table B-30 Dimensions/Other Characteristics: Nonthreaded
Table B-31 Dimensions/Other Characteristics: Nonthreaded
Table B-32 Dimensions/Other Characteristics: Nonthreaded
Table B-33 Dimensions/Other Characteristics: Nonthreaded
Table B-34 Dimensions/Other Characteristics: Nonthreaded
Table B-35 Dimensions/Other Characteristics: Nonthreaded
Table B-36 Dimensions/Other Characteristics: Nonthreaded
Table B-37 Dimensions/Other Characteristics: Nonthreaded
Table B-38 Dimensions/Other Characteristics: Nonthreaded
Table B-39 Dimensions/Other Characteristics: Nonthreaded
Table B-40 Dimensions/Other Characteristics: Nonthreaded
Table B-41 Dimensions/Other Characteristics: Nonthreaded
Table B-42 Dimensions/Other Characteristics: Nonthreaded
Table B-43 Dimensions/Other Characteristics: Nonthreaded
Table B-44 Dimensions/Other Characteristics: Nonthreaded
Table B-45 Dimensions/Other Characteristics: Nonthreaded
Table B-46 Dimensions/Other Characteristics: Nonthreaded
Table B-47 Dimensions/Other Characteristics: Nonthreaded
Table B-48 Dimensions/Other Characteristics: Nonthreaded
Table B-49 Dimensions/Other Characteristics: Nonthreaded
Table B-50 Dimensions/Other Characteristics: Nonthreaded
Table B-51 Dimensions/Other Characteristics: Nonthreaded
Table B-52 Dimensions/Other Characteristics: Nonthreaded
Table B-53 Dimensions/Other Characteristics: Nonthreaded
Table B-54 Dimensions/Other Characteristics: Nonthreaded
Table B-55 Dimensions/Other Characteristics: Nonthreaded
Table B-56 Dimensions/Other Characteristics: Nonthreaded
Table B-57 Dimensions/Other Characteristics: Nonthreaded
Table B-58 Dimensions/Other Characteristics: Nonthreaded
Table B-59 Dimensions/Other Characteristics: Nonthreaded
Table B-60 Dimensions/Other Characteristics: Nonthreaded
Table B-61 Dimensions/Other Characteristics: Nonthreaded
Table B-62 Dimensions/Other Characteristics: Nonthreaded
Table B-63 Dimensions/Other Characteristics: Nonthreaded
Table B-64 Dimensions/Other Characteristics: Nonthreaded
Table B-65 Dimensions/Other Characteristics: Nonthreaded
Table B-66 Dimensions/Other Characteristics: Nonthreaded
Table B-67 Dimensions/Other Characteristics: Nonthreaded
Table B-68 Dimensions/Other Characteristics: Nonthreaded
Table B-69 Dimensions/Other Characteristics: Nonthreaded
Table B-70 Dimensions/Other Characteristics: Nonthreaded
Table B-71 Dimensions/Other Characteristics: Nonthreaded
Table B-72 Dimensions/Other Characteristics: Nonthreaded
Table B-73 Dimensions/Other Characteristics: Nonthreaded
Table B-74 Dimensions/Other Characteristics: Nonthreaded
Table B-75 Dimensions/Other Characteristics: Nonthreaded
Table B-76 Dimensions/Other Characteristics: Nonthreaded
Table B-77 Dimensions/Other Characteristics: Nonthreaded
Table B-78 Dimensions/Other Characteristics: Nonthreaded
Table B-79 Dimensions/Other Characteristics: Nonthreaded
Table B-80 Dimensions/Other Characteristics: Nonthreaded
Table B-81 Dimensions/Other Characteristics: Nonthreaded
Table B-82 Dimensions/Other Characteristics: Nonthreaded
Table B-83 Dimensions/Other Characteristics: Nonthreaded
Table B-84 Dimensions/Other Characteristics: Nonthreaded
Table B-85 Dimensions/Other Characteristics: Nonthreaded
Table B-86 Dimensions/Other Characteristics: Nonthreaded
Table B-87 Dimensions/Other Characteristics: Nonthreaded
Table B-88 Dimensions/Other Characteristics: Nonthreaded
Table B-89 Dimensions/Other Characteristics: Nonthreaded
Table B-90 Dimensions/Other Characteristics: Nonthreaded
Table B-91 Dimensions/Other Characteristics: Nonthreaded
Table B-92 Dimensions/Other Characteristics: Nonthreaded
Table B-93 Dimensions/Other Characteristics: Nonthreaded
Table B-94 Dimensions/Other Characteristics: Nonthreaded
Table B-95 Dimensions/Other Characteristics: Nonthreaded
Table B-96 Dimensions/Other Characteristics: Nonthreaded
Table B-97 Dimensions/Other Characteristics: Nonthreaded
Table B-98 Dimensions/Other Characteristics: Nonthreaded
Table B-99 Dimensions/Other Characteristics: Nonthreaded
Table B-100 Dimensions/Other Characteristics: Nonthreaded
Table B-101 Dimensions/Other Characteristics: Nonthreaded
Table B-102 Dimensions/Other Characteristics: Nonthreaded
Table B-103 Dimensions/Other Characteristics: Nonthreaded
Table B-104 Dimensions/Other Characteristics: Nonthreaded
Table B-105 Dimensions/Other Characteristics: Nonthreaded
Table B-106 Dimensions/Other Characteristics: Nonthreaded
Table B-107 Dimensions/Other Characteristics: Nonthreaded
Table B-108 Dimensions/Other Characteristics: Nonthreaded
Table B-109 Dimensions/Other Characteristics: Nonthreaded
Table B-110 Dimensions/Other Characteristics: Nonthreaded
Table B-111 Dimensions/Other Characteristics: Nonthreaded
Table B-112 Dimensions/Other Characteristics: Nonthreaded
Table B-113 Dimensions/Other Characteristics: Nonthreaded
Table B-114 Dimensions/Other Characteristics: Nonthreaded
Table B-115 Dimensions/Other Characteristics: Nonthreaded
Table B-116 Dimensions/Other Characteristics: Nonthreaded
Table B-117 Dimensions/Other Characteristics: Nonthreaded
Table B-118 Dimensions/Other Characteristics: Nonthreaded
Table B-119 Dimensions/Other Characteristics: Nonthreaded
Table B-120 Dimensions/Other Characteristics: Nonthreaded
Table B-121 Dimensions/Other Characteristics: Nonthreaded
Table B-122 Dimensions/Other Characteristics: Nonthreaded
Table B-123 Dimensions/Other Characteristics: Nonthreaded
Table B-124 Dimensions/Other Characteristics: Nonthreaded
Table B-125 Dimensions/Other Characteristics: Nonthreaded
Table B-126 Dimensions/Other Characteristics: Nonthreaded
Table B-127 Dimensions/Other Characteristics: Nonthreaded
Table B-128 Dimensions/Other Characteristics: Nonthreaded
Table B-129 Dimensions/Other Characteristics: Nonthreaded
Table B-130 Dimensions/Other Characteristics: Nonthreaded
Table B-131 Dimensions/Other Characteristics: Nonthreaded
Table B-132 Dimensions/Other Characteristics: Nonthreaded
Table B-133 Dimensions/Other Characteristics: Nonthreaded
Table B-134 Material and Treatment A
Table B-135 Material and Treatment B
Table B-136 Plating, Coating, and Passivation
Table B-137 Additional Features: Externally Threaded
Table B-138 Additional Features: Internally Threaded
Table B-139 Additional Features: Nonthreaded
Table B-140 Cross Reference: Table 2-2 Tapping Screw Point AB
Table B-141 Cross Reference: Table 2-2 Tapping Screw Point B
Table B-142 Cross Reference: Table 2-2 Tapping Screw Point BF
Table B-143 Cross Reference: Table 2-2 Tapping Screw Point BP
Table B-144 Cross Reference: Table 2-2 Tapping Screw Point BT
Table B-145 Cross Reference: Table 2-2 Tapping Screw Point C
Table B-146 Cross Reference: Table 2-2 Tapping Screw Point D
Table B-147 Cross Reference: Table 2-2 Tapping Screw Point F
Table B-148 Cross Reference: Table 2-2 Tapping Screw Point G
Table B-149 Cross Reference: Table 2-2 Tapping Screw Point T
Table B-150 Cross Reference: Table 2-2 Tapping Screw Point U
Table B-151 Bridge to Table 3-6 for AB, B, BF, BP, BT
Table B-152 Bridge to Table 3-6 for C, D, F, G, T
Table B-153 Bridge to Table 3-7 for AB, B, BF, BT
Table B-154 Bridge to Table 3-7 for D, F, T
Table B-155 Bridge to Table 3-10
Table B-156 Bridge to Table 3-12
Table B-157 Bridge to Table 3-13
Table B-158 Cross Reference: Table 7-9 Washer Component 1
Table B-159 Cross Reference: Table 7-9 Washer Component 2
Table B-160 Cross Reference: Table 7-9 Washer Component 3
Table B-161 Cross Reference: Table 7-9 Washer Component 4
Table B-162 Cross Reference: Table 7-9 Washer Component 5
Table B-163 Cross Reference: Table 7-9 Washer Component 6
Table B-164 Cross Reference: Table 7-9 Washer Component 7
Table B-165 Cross Reference: Table 7-9 Washer Component 8
Table B-166 Cross Reference: Table 7-9 Washer Component 9
Table B-167 Cross Reference: Table 7-9 Washer Component 10
Table B-168 Cross Reference: Table 7-9 Washer Component 11
Table B-169 Cross Reference: Table 7-9 Washer Component 12
Table B-170 Bridge to Table 3-11
Table B-171 Bridge to Table 3-4
Table B-172 Bridge to Table 7-10
Table B-173 ASME B18.24 Legacy Table References From ASME B18.24.1, ASME B18.24.2, and ASME B18.24.3
Table C-1 Materials for Bent Bolts
Table C-2 Finish Designations for Bent Bolts
NONMANDATORY APPENDIX A ASME B18.24.1, ASME B18.24.2, AND ASME B18.24.3 PIN SUCCESSION INSTRUCTIONS
NONMANDATORY APPENDIX B ASME B18.24.1, ASME B18.24.2, AND ASME B18.24.3 PIN SUCCESSION TABLES
NONMANDATORY APPENDIX C PART IDENTIFYING NUMBER SYSTEM FOR BENT BOLTS PER ASME B18.31.5 [Go to Page]
C-1 PART IDENTIFYING NUMBERS (PINs) FOR SELECTED BENT BOLTS
C-2 THE PIN SYSTEM
C-3 IDENTIFICATION OF PART NUMBERING SYSTEM ON DRAWINGS [Go to Page]

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