Screw angle:60° threads per inch:

4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 11-1/2, 

12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 

27, 28, 30, 32, 34, 36, 38, 40, 42, 44, 

46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 

66, 68, 70, 72, 74, 76, 78, 80, 82, 84