| 扣環 | 截面 | |||||||
|---|---|---|---|---|---|---|---|---|
| 項目 | 標準牌號 | 單位 | 外徑 | 內徑 | 公差 | 厚度 | 公差 | 最大 |
| CTW | inch | 0.565 | 0.415 | 0.409~0.422 | 0.039 | 0.038~0.039 | 0.075 | |
| CTW | inch | 0.606 | 0.449 | 0.442~0.455 | 0.039 | 0.038~0.039 | 0.079 | |
| CTW | inch | 0.642 | 0.484 | 0.478~0.491 | 0.039 | 0.038~0.039 | 0.079 | |
| CTW | inch | 0.685 | 0.52 | 0.513~0.526 | 0.039 | 0.038~0.039 | 0.083 | |
| CTW | inch | 0.728 | 0.555 | 0.549~0.562 | 0.039 | 0.038~0.039 | 0.087 | |
| CTW | inch | 0.764 | 0.587 | 0.580~0.593 | 0.039 | 0.038~0.039 | 0.089 | |
| CTW | inch | 0.803 | 0.622 | 0.615~0.629 | 0.047 | 0.045~0.047 | 0.091 | |
| CTW | inch | 0.846 | 0.657 | 0.651~0.664 | 0.047 | 0.045~0.047 | 0.094 | |
| CTW | inch | 0.892 | 0.691 | 0.684~0.698 | 0.047 | 0.045~0.047 | 0.1 | |
| CTW | inch | 0.984 | 0.764 | 0.756~0.772 | 0.047 | 0.045~0.047 | 0.11 | |
| CTW | inch | 1.024 | 0.795 | 0.788~0.803 | 0.047 | 0.045~0.047 | 0.114 | |
| CTW | inch | 1.067 | 0.831 | 0.823~0.838 | 0.047 | 0.045~0.047 | 0.118 | |
| CTW | inch | 1.114 | 0.866 | 0.858~0.874 | 0.047 | 0.045~0.047 | 0.124 | |
| CTW | inch | 1.157 | 0.902 | 0.894~0.909 | 0.047 | 0.045~0.047 | 0.128 | |
| CTW | inch | 1.244 | 0.969 | 0.961~0.976 | 0.059 | 0.057~0.059 | 0.138 | |