Metric
(Millimeters) |
US |
Metric
(Millimeters) |
US |
| 2 |
3 / 32 |
55 |
2 - 3 / 16 |
| 2.5 |
3 / 32 |
60 |
2 - 3 / 8 |
| 3 |
1 / 8 |
65 |
2 - 9 / 16 |
| 4 |
5 / 32 |
70 |
2 - 3 / 4 |
| 5 |
3 / 16 |
75 |
2 - 15 / 16 |
| 6 |
1 / 4 |
80 |
3 - 1 / 8 |
| 8 |
5 / 16 |
85 |
3 - 3 / 8 |
| 10 |
13 / 32 |
90 |
3 - 9 / 16 |
| 12 |
15 / 32 |
95 |
3 - 3 / 4 |
| 14 |
9 / 16 |
100 |
3 - 15 / 16 |
| 16 |
5 / 8 |
110 |
4 - 5 / 16 |
| 18 |
23 / 32 |
120 |
4 - 3 / 4 |
| 20 |
25 / 32 |
120 |
5 - 1 / 8 |
| 25 |
1 |
140 |
5 - 1 / 2 |
| 30 |
1 - 3 / 16 |
150 |
5 - 7 / 8 |
| 35 |
1 - 3 / 8 |
160 |
6 - 6 / 16 |
| 40 |
1 - 9 / 16 |
170 |
6 - 11 / 16 |
| 45 |
1 - 3 / 4 |
180 |
7 - 1 / 16 |
| 50 |
2 |
190 |
7 - 1 / 2 |
|