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ASME B18.8.2 2020

ASME B18.8.2 2020

$98.04

ASME B18.8.2 – 2020 Taper Pins, Dowel Pins, Straight Pins, Grooved Pins, and Spring Pins (Inch Series)

Published By Publication Date Number of Pages
ASME 2020 53
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This Standard is intended to cover the complete dimensional and general data for taper pins, dowel pins, straight pins, grooved pins, and spring pins recognized as American National Standard, which are widely used in general industrial applications. Also included are appendices providing supplementary information for the drilling of holes for taper pins and the testing of pins in double shear. The inclusion of dimensional data in this Standard is not intended to imply that all of the products described are stock production sizes. Consumers are requested to consult with manufacturers concerning availability of product.

PDF Catalog

PDF Pages PDF Title
4 CONTENTS
6 FOREWORD
8 ASME B18 COMMITTEE ROSTER
9 CORRESPONDENCE WITH THE B18 COMMITTEE
12 1 INTRODUCTION
1.1 Scope
1.2 Comparison With ISO Standards
1.3 Dimensions
1.4 Options
1.5 Terminology
1.6 Referenced Standards
1.7 Related Standards
1.8 Part Identifying Number
2 GENERAL DATA FOR PINS
2.1 Types of Pins
13 3 GENERAL DATA FOR TAPER PINS
3.1 Diameters
3.2 Ends
3.3 Taper
3.4 Concavity and Convexity
3.5 Length
3.6 Surface Roughness
3.7 Materials
14 Tables
Table 3.1.1-1 Dimensions of Taper Pins
15 Table 3.5.3-1 Standard Sizes and Lengths of Taper Pins
16 3.8 Finishes
3.9 Workmanship
3.10 Hole Sizes
3.11 Designation
4 GENERAL DATA FOR HARDENED GROUND MACHINE DOWEL PINS
4.1 Diameters
4.2 Ends
17 Table 4.1.1-1 Dimensions of Hardened Ground Machine Dowel Pins
18 4.3 Length
4.4 Surface Roughness
Figures
Figure 4.2.1.1-1 Point Concentricity
Table 4.3.3-1 Preferred Sizes and Lengths of Hardened Ground Machine Dowel Pins
19 4.5 Material and Heat Treatment
4.6 Finishes
4.7 Workmanship
4.8 Designation
4.9 Application Information
Table 4.9.1-1 Suggested Hole Sizes for Standard Series Pins
20 5 GENERAL DATA FOR HARDENED GROUND PRODUCTION DOWEL PINS
5.1 Diameter
5.2 Ends
5.3 Length
Table 5.1.1-1 Dimensions of Hardened Ground Production Dowel Pins
21 5.4 Surface Roughness
5.5 Material and Heat Treatment
5.6 Finishes
5.7 Workmanship
5.8 Application Information
Table 5.3.3-1 Preferred Sizes and Lengths of Hardened Ground Production Dowel Pins
22 5.9 Designation
6 GENERAL DATA FOR UNHARDENED GROUND DOWEL PINS
6.1 Diameter
6.2 Ends
6.3 Length
6.4 Surface Roughness
6.5 Materials
Table 5.8.1-1 Suggested Hole Diameters for Hardened Ground Production Dowel Pins
23 Table 6.1.1-1 Dimensions of Unhardened Ground Dowel Pins
24 6.6 Finishes
6.7 Workmanship
6.8 Hole Sizes
6.9 Designation
Table 6.3.3-1 Preferred Sizes and Lengths of Unhardened Ground Dowel Pins
25 7 GENERAL DATA FOR STRAIGHT PINS
7.1 Diameter
7.2 Ends
7.3 Length
7.4 Materials
7.5 Finishes
7.6 Workmanship
7.7 Designation
Table 6.8-1 Suggested Hole Diameters for Unhardened Ground Dowel Pins
26 Table 7.1.1-1 Dimensions of Chamfered and Square End Straight Pins
27 8 GENERAL DATA FOR GROOVED PINS, GROOVED DRIVE STUDS, AND GROOVED T-HEAD COTTER PINS
8.1 Heads of Grooved Drive Studs and T-Head Cotter Pins
8.2 Diameters
8.3 Grooves
8.4 Ends
8.5 Length
28 Table 8.2.1-1 Dimensions of Grooved Pins
30 Table 8.2.1-2 Dimensions of Round-Head Grooved Drive Studs
31 Table 8.2.1-3 Dimensions of Grooved T-Head Cotter Pins
32 Table 8.2.2-1 Expanded Diameters for Grooved Pins Made From Low Carbon or Alloy Steel
33 Table 8.2.2-2 Expanded Diameters for Grooved Pins Made From Corrosion Resistant Steel and Monel
34 8.6 Materials
8.7 Performance Requirements
8.8 Hole Sizes
8.9 Finishes
8.10 Workmanship
35 Table 8.5.3-1 Standard Sizes and Lengths of Grooved Pins
36 Table 8.5.3-2 Pilot Length Dimensions for Round-Head Grooved Drive Studs
37 Table 8.5.3-3 Groove Length Dimensions for Grooved T-Head Cotter Pins
Table 8.7-1 Minimum Performance Requirements of Grooved Pins
Table 8.8-1 Recommended Hole Sizes for Unplated Grooved Pins
38 8.11 Designation
9 GENERAL DATA FOR SPRING PINS
9.1 Diameter
9.2 Slots
9.3 Ends
9.4 Length
Table 8.8-2 Recommended Hole Sizes for Unplated Grooved Drive Studs
39 9.5 Materials
9.6 Hardness
9.7 Performance Requirements
9.8 Corrosion Protection
9.9 Workmanship
9.10 Designation
Table 9.4.2-1 Tolerance on Length of Spring Pins
40 Table 9.4.3-1 Practical Sizes and Lengths of Coiled- and Slotted-Type Spring Pins
41 Table 9.4.4-1 Dimensions of Slotted-Type Spring Pins
42 Table 9.4.4-2 Dimensions of Coiled-Type Spring Pins
44 Table 9.6-1 Hardness Requirements for Slotted- and Coiled-Type Spring Pins
45 NONMANDATORY APPENDIX A RECOMMENDED HOLE SPECIFICATIONS FOR TAPER PINS
A-1 GENERAL
46 Table A-1-1 Drill Chart
47 Figure A-1-1 Step Drill Selection
48 Figure A-1-2 Drill Diameter Examples
49 Figure B-1-1 Typical Pin Shear Test Fixtures
NONMANDATORY APPENDIX B DOUBLE SHEAR TESTING OF PINS
B-1 GENERAL
50 Table C-1 Dimensions of Grooved Pins
NONMANDATORY APPENDIX C TYPE B, C, AND D GROOVED PIN DIMENSIONS
51 Table D-1 Conversion Table for SAE and UNS MaterialSpecifications
NONMANDATORY APPENDIX D CONVERSION TABLE FOR SAE AND UNS MATERIAL SPECIFICATIONS

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