| 扣環 | 截面 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 項目 | 標準牌號 | 單位 | 外徑 | 內徑 | 公差 | 厚度 | 公差 | 最大 | 公差 |
| CTW | inch | 0.12 | 0.187 | 0.182~0.190 | 0.025 | 0.023~0.027 | 0.044 | ±0.003 | |
| CTW | inch | 0.15 | 0.203 | 0.198~0.206 | 0.025 | 0.023~0.027 | 0.046 | ±0.004 | |
| CTW | inch | 0.157 | 0.211 | 0.206~0.214 | 0.025 | 0.023~0.027 | 0.05 | ±0.004 | |
| CTW | inch | 0.19 | 0.242 | 0.237~0.245 | 0.025 | 0.023~0.027 | 0.051 | ±0.004 | |
| CTW | inch | 0.226 | 0.27 | 0.265~0.273 | 0.025 | 0.023~0.027 | 0.053 | ±0.004 | |
| CTW | inch | 0.3 | 0.328 | 0.323~0.331 | 0.025 | 0.023~0.027 | 0.06 | ±0.004 | |
| CTW | inch | 0.352 | 0.359 | 0.354~0.362 | 0.025 | 0.023~0.027 | 0.063 | ±0.004 | |
| CTW | inch | 0.359 | 0.386 | 0.381~0.389 | 0.025 | 0.023~0.027 | 0.065 | ±0.004 | |
| CTW | inch | 0.671 | 0.441 | 0.435~0.447 | 0.035 | 0.033~0.037 | 0.07 | ±0.005 | |
| CTW | inch | 0.71 | 0.497 | 0.491~0.503 | 0.035 | 0.033~0.037 | 0.078 | ±0.005 | |
| CTW | inch | 0.937 | 0.553 | 0.547~0.559 | 0.035 | 0.033~0.037 | 0.081 | ±0.005 | |
| CTW | inch | 1.3 | 0.608 | 0.601~0.615 | 0.042 | 0.040~0.044 | 0.086 | ±0.005 | |
| CTW | inch | 1.5 | 0.665 | 0.658~0.672 | 0.042 | 0.040~0.044 | 0.09 | ±0.005 | |
| CTW | inch | 1.7 | 0.721 | 0.714~0.728 | 0.042 | 0.040~0.044 | 0.097 | ±0.005 | |
| CTW | inch | 2 | 0.777 | 0.770~0.784 | 0.042 | 0.040~0.044 | 0.105 | ±0.005 | |