中文 (中国)| Ra | Ra | v | CLA | Rt | N | Cut off Length | |
|---|---|---|---|---|---|---|---|
| mirco-meter | micro-inches | (N) | in. | mm | |||
| 0.025 | 1 | 1.1 | 1 | 0.3 | 1 | 0.003 | 0.08 |
| 0.05 | 2 | 2.2 | 2 | 0.5 | 2 | 0.01 | 0.25 |
| 0.1 | 4 | 4.4 | 4 | 0.8 | 3 | 0.01 | 0.25 |
| 0.2 | 8 | 8.8 | 8 | 1.2 | 4 | 0.01 | 0.25 |
| 0.4 | 16 | 17.6 | 16 | 2.0 | 5 | 0.01 | 0.25 |
| 0.8 | 32 | 32.5 | 32 | 4.0 | 6 | 0.03 | 0.8 |
| 1.6 | 63 | 64.3 | 63 | 8.0 | 7 | 0.03 | 0.8 |
| 3.2 | 125 | 137.5 | 125 | 13 | 8 | 0.1 | 2.5 |
| 6.3 | 250 | 275 | 250 | 25 | 9 | 0.1 | 2.5 |
| 12.5 | 500 | 550 | 500 | 50 | 10 | 0.1 | 2.5 |
| 25 | 1000 | 1100 | 1000 | 100 | 11 | 0.3 | 8.0 |
| 50 | 2000 | 2200 | 2000 | 200 | 12 | 0.3 | 8.0 |