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ASME B1.7 Screw Threads: Nomenclature, Definitions, and Letter Symbols - Reaffirmed: 2011, 2006
- CONTENTS
- FOREWORD
- COMMITTEE ROSTER
- 1 GENERAL [Go to Page]
- 1.1 Scope
- 1.2 References
- 1.3 Federal Government Use
- 2 DEFINITION OF TERMS
- FIGURES [Go to Page]
- 1 Allowance
- 2 Axis of Thread
- 3 Best Wire Size
- 4 Blunt Start Thread
- 5 Bottom of Chamfer
- 6 Clearance Flank
- 7 Countersink
- 8 Crest
- 9 Root and Crest Truncation
- 10 Fundamental Deviation
- 11 Metric Tolerance System for Screw Threads
- 12 Element
- 13 Flank
- 14 Flank Angle
- 15 Flat Form
- 16 Following Flank
- 17 Gauge Plane
- 18 Height of Fundamental Triangle
- 19 Height of Thread
- 20 Height of Thread Engagement
- 21 Helix
- 22 Helix Variation (Drunken Thread)
- 23 Incomplete Thread
- 24 Interference Fit
- 25 Internal Thread
- 26 Lead
- 27 Leading Flank
- 28 Gaging Length
- 29 Length of Assembly
- 30 Length of Thread Engagement
- 31 Load Flank
- 32 Major Clearance
- 33 Major Diameter, External Thread
- 34 Major Diameter, Internal Thread
- 35 Major Diameter, Internal Thread (Rounded Form)
- 36 Major Diameter, Taper Thread
- 37 Minor Clearance
- 38 Minor Diameter, External Thread (Flat Form)
- 39 Minor Diameter, External Thread (Rounded Form)
- 40 Minor Diameter, Internal Thread
- 41 Minor Diameter, Taper Thread
- 42 Multiple Start Thread
- 43 Pitch
- 44 Pitch Cone
- 45 Pitch Cylinder
- 46 Pitch Diameter, External Thread
- 47 Pitch Diameter, Internal Thread
- 48 Plane of Vanish Point
- 49 Profile, Basic Thread
- 50 Root Radius
- 51 Screw Thread
- 52 Sharp Crest and Root
- 53 Shear Area
- 54 Straight Thread
- 55 Thread Angle
- 56 Thread Ridge Thickness
- 57 Truncation
- 58 Vanish Cone
- TABLES [Go to Page]
- 1 General Symbols
- 2 ISO General Symbols
- 3 Thread Series Designations
- 4 ISO Thread Series Designations
- NONMANDATORY APPENDICES [Go to Page]
- A SUPERSEDED THREAD SERIES DESIGNATIONS
- B ISO SYMBOLS FOR SCREW THREADS
- C GREEK ALPHABET [Go to Page]
