Header
About this publication
PREFACE
1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.5 SYMBOLS
1.6 VERIFICATION
1.7 STRESS AREA (As)
2 SCREW THREAD PROFILES
2.1 SCOPE OF SECTION
2.2 BASIC PROFILE
2.3 MAXIMUM MATERIAL PROFILE
2.3.1 Maximum material profile—internal thread
2.3.2 Maximum material profile—external thread
2.4 LEAST MATERIAL PROFILE
2.5 LIMITING PROFILES
2.5.1 Limiting profile—internal threads
2.5.2 Limiting profiles—external threads
2.6 ROOT CONTOURS
2.6.1 Internal threads
2.6.2 External threads
3 DIMENSIONS AND TOLERANCES
3.1 SCOPE OF SECTION
3.2 BASIC DIMENSIONS
3.3 TOLERANCE POSITIONS
3.4 FUNDAMENTAL DEVIATIONS
3.4.1 General
3.4.2 Internal threads
3.4.3 External threads
3.5 TOLERANCE GRADES
3.5.1 General
3.5.2 Root diameter tolerances
3.5.2.1 Internal threads
3.5.2.2 External threads
3.6 TOLERANCE CLASSES
3.6.1 General
3.6.2 Disposition of tolerance classes
3.6.3 Selection of tolerance classes
3.6.3.1 General
3.6.3.2 Length of axial thread engagement
3.6.3.3 Recommended combinations
3.7 LIMITS OF SIZE
3.8 COATED THREADS
4 DESIGNATION OF SCREW THREADS
4.1 SCOPE OF SECTION
4.2 COMPLETE DESIGNATION FOR INTERNAL THREADS
4.3 COMPLETE DESIGNATION FOR EXTERNAL THREADS
4.4 SHORTENED DESIGNATION FOR COARSE PITCH SERIES THREADS
4.5 DESIGNATION OF A THREAD FIT
APPENDIX A
APPENDIX B
