μm | mils | ||||||
25 | 50 | 75 | 100 | 1 | 2 | 3 | 4 |
125 | 150 | 170 | 200 | 5 | 6 | 7 | 8 |
250 | 300 | 350 | 400 | 10 | 12 | 14 | 16 |
500 | 600 | 700 | 800 | 20 | 24 | 28 | 32 |