方尺
| 说明 | |||||||
| 编号 | 大小(mm) | 垂直度(um) | 平行度(um) | 平面度(um) | |||
| 00 | 0 | 00 | 0 | 00 | 0 | ||
| SF160 | 160x160 | 2 | 4 | 2 | 4 | 0.8 | 1.7 |
| SF200 | 200x200 | 2 | 4 | 2 | 4 | 0.9 | 1.8 |
| SF250 | 250x250 | 2.2 | 4.5 | 2.2 | 4.5 | 1 | 2 |
| SF315 | 315x315 | 2.6 | 5.2 | 2.6 | 5.5 | 1.1 | 2.3 |
| SF400 | 400x400 | 3 | 6 | 3 | 6 | 1.3 | 2.6 |
| SF500 | 500x500 | 3.5 | 7 | 3.5 | 7 | 1.5 | 3 |