| 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 | mm | 4.17 | 2.59 | 2.49~2.64 | 0.4 | 0.37~0.43 | 0.79 | |
| CTW | mm | 6.19 | 4.09 | 3.99~4.14 | 0.4 | 0.37~0.43 | 1.05 | |
| CTW | mm | 6.99 | 4.75 | 4.62~4.82 | 0.6 | 0.56~0.64 | 1.12 | |
| CTW | mm | 7.9 | 5.36 | 5.23~5.43 | 0.6 | 0.56~0.64 | 1.27 | |
| CTW | mm | 9.56 | 6.86 | 6.73~6.93 | 0.6 | 0.56~0.64 | 1.35 | |
| CTW | mm | 11.37 | 8.33 | 8.2~8.4 | 0.6 | 0.56~0.64 | 1.52 | |
| CTW | mm | 12.32 | 9.12 | 8.99~9.19 | 0.6 | 0.56~0.64 | 1.6 | |
| CTW | mm | 13.1 | 9.8 | 9.67~9.87 | 0.6 | 0.56~0.64 | 1.65 | |
| CTW | mm | 14 | 10.54 | 10.41~10.61 | 0.6 | 0.56~0.64 | 1.73 | |
| CTW | mm | 14.76 | 11.2 | 11.05~11.35 | 0.9 | 0.85~0.95 | 1.78 | |
| CTW | mm | 16.56 | 12.62 | 12.47~12.77 | 0.9 | 0.85~0.95 | 1.98 | |
| CTW | mm | 23.23 | 18.31 | 18.13~18.49 | 1.4 | 1.34~1.46 | 2.46 | |
| CTW | inch | 0.164 | 0.102 | 0.099~0.103 | 0.016 | 0.015~0.016 | 0.031 | |
| CTW | inch | 0.244 | 0.161 | 0.158~0.162 | 0.016 | 0.015~0.016 | 0.041 | |
| CTW | inch | 0.275 | 0.187 | 0.182~0.189 | 0.024 | 0.023~0.025 | 0.044 | |