Metric Sizes |
= |
0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1.0, 1.25, 1.5, 1.75, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0 |
Whitworth Sizes |
= |
62, 60 1/16, 48 3/32, 40 1/8, 36, 32 5/32, 30, 28, 26, 25, 25 3/16, 22, 20 1/4, 19, 18 5/16, 16 3/8, 13, 12, 11 5/8, 10 3/4, 9 7/8, 8 1, 7 11/8 11/4, 6 13/8 11/2, 5 15/8 13/4, 4.5 1-7/8 2, 4 2-1/4 2-1/2 |