| 断面 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 包角φ (˚) | 22.5 | 45 | 67.5 | 90 | 112.5 | 135 | 157.5 | 180 |
| 面积Fφ (mm2) | 80 | 160 | 240 | 320 | 400 | 480 | 560 | 640 |