Transcription of Screw Thread Pitch Tables - Broward Bolt
1 Screw Thread Pitch Tables Basic Dimensions for Coarse Thread Series Parts (UNC/UNRC). (measured in inches). Lead Angle Height of Tensile Nominal Major Basic Pitch Minor Threads/inch at Basic Pitch Fundamental Stress Size Diameter Diameter Diameter Diameter Triangle Area (square (Degrees) (Min). inches). #1 64 4 31 #2 56 4 22 #3 48 4 26 #4 40 4 45 #5 40 4 11 #6 32 4 50 #8 32 3 58 #10 24 4 39 #12 24 4 1 1/4 20 4 11 5/16 18 3 40 3/8 16 3 24 7/16 14 3 20 1/2 13 3 7 9/16 12 2 59 5/8 11 2 56 3/4 10 2 40 7/8 9 2 31 1 8 2 29 1 1/8 7 2 31 1 1/4 7 2 15 1 3/8 6 2 24 1 1/2 6 2 11 1 3/4 5 2 15 2 4 1/2 2 11 2 1/4 4 1/2 1 55 2 1/2 4 1 57 2 3/4 4 1 46 3 4 1 36 3 1/4 4 1 29 3 1/2 4 1 22 3 3/4 4 1 16 4 4 1 11 Basic Dimensions for Fine Thread Series Parts (UNF/UNRF).
2 (measured in inches). Lead Angle Height of Tensile Nominal Major Basic Pitch Minor Threads/inch at Basic Pitch Fundamental Stress Size Diameter Diameter Diameter Diameter Triangle Area (square (Degrees) (Min). inches). #0 80 4 23 #1 72 3 57 #2 64 3 45 #3 56 3 43 #4 48 3 51 #5 44 3 45 #6 40 3 44 #8 36 3 28 #10 32 3 21 #12 28 3 22 1/4 28 2 52 5/16 24 2 40 3/8 24 2 11 7/16 20 2 15 1/2 20 1 57 9/16 18 1 55 5/8 18 1 43 3/4 16 1 36 7/8 14 1 34 1 14 1 36 1 1/8 12 1 25 1 1/4 12 1 16 1 3/8 12 1 9 1 1/2 12 1 3
