| 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 | mm | 0.76 | 2.59 | 2.49~2.64 | 0.38 | 0.34~0.43 | 0.79 | ±0.076 | |
| CTW | mm | 1.32 | 3.33 | 3.23~3.37 | 0.38 | 0.34~0.43 | 0.94 | ±0.076 | |
| CTW | mm | 1.57 | 4.09 | 3.99~4.14 | 0.38 | 0.34~0.43 | 1.07 | ±0.076 | |
| CTW | mm | 3.05 | 4.75 | 4.63~4.82 | 0.64 | 0.59~0.68 | 1.12 | ±0.076 | |
| CTW | mm | 3.81 | 5.16 | 5.03~5.23 | 0.64 | 0.59~0.68 | 1.17 | ±0.101 | |
| CTW | mm | 3.99 | 5.36 | 5.24~5.43 | 0.64 | 0.59~0.68 | 1.27 | ±0.101 | |
| CTW | mm | 4.83 | 6.15 | 6.02~6.22 | 0.64 | 0.59~0.68 | 1.3 | ±0.101 | |
| CTW | mm | 5.74 | 6.86 | 6.74~6.93 | 0.64 | 0.59~0.68 | 1.35 | ±0.101 | |
| CTW | mm | 7.62 | 8.33 | 8.21~8.40 | 0.64 | 0.59~0.68 | 1.52 | ±0.101 | |
| CTW | mm | 8.94 | 9.12 | 9.00~9.19 | 0.64 | 0.59~0.68 | 1.6 | ±0.101 | |
| CTW | mm | 9.12 | 9.8 | 9.68~9.88 | 0.64 | 0.59~0.68 | 1.65 | ±0.101 | |
| CTW | mm | 17.04 | 11.2 | 11.05~11.35 | 0.89 | 0.84~0.93 | 1.78 | ±0.127 | |
| CTW | mm | 18.03 | 12.62 | 12.48~12.77 | 0.89 | 0.84~0.93 | 1.98 | ±0.127 | |
| CTW | mm | 23.8 | 14.05 | 13.90~14.19 | 0.89 | 0.84~0.93 | 2.06 | ±0.127 | |
| CTW | mm | 33.02 | 15.44 | 15.27~15.62 | 1.07 | 1.02~1.11 | 2.18 | ±0.127 | |