ISO-Y 공동
구경 | NA | NC | ND | NE | NF | NG |
32 | 19 | (10) | 40 | 52 | 15 | 20 |
40 | 25.4 | (12) | 48 | 67 | 24 | 20 |
50 | 32 | (16) | 64 | 89 | 32 | 23 |
63 | 32 | (16) | 64 | 89 | 32 | 23 |
80 | 44.4 | (20) | 80 | 112 | 40 | 30 |
100 | 44.4 | (20) | 80 | 112 | 40 | 30 |
125 | 55 | (30) | 110 | 155 | 50 | 56 |
160 | 70 | (35) | 144 | 201 | 50 | 72 |
200 | 70 | (35) | 144 | 201 | 55 | 72 |