| 扣環 | 截面 | 掛耳 | 孔徑 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 項目 | 標準牌號 | 單位 | 內徑 | 公差 | 厚度 | 公差 | 最大 | 值 | 值 |
| STW | mm | 16.5 | 16.32~16.68 | 1.2 | 1.14~1.26 | 2.6 | 3.8 | 1.7 | |
| STW | mm | 17.5 | 17.32~17.68 | 1.2 | 1.14~1.26 | 2.7 | 3.8 | 2 | |
| STW | mm | 18.5 | 18.3~18.7 | 1.2 | 1.14~1.26 | 2.7 | 3.9 | 2 | |
| STW | mm | 19.5 | 19.3~19.7 | 1.2 | 1.14~1.26 | 2.7 | 4 | 2 | |
| STW | mm | 20.5 | 20.3~20.7 | 1.2 | 1.14~1.26 | 2.7 | 4.1 | 2 | |
| STW | mm | 21.4 | 21.2~21.6 | 1.2 | 1.14~1.26 | 2.9 | 4.5 | 2 | |
| STW | mm | 22.2 | 22~22.4 | 1.2 | 1.14~1.26 | 3.1 | 4.2 | 2 | |
| STW | mm | 23.2 | 23~23.4 | 1.2 | 1.14~1.26 | 3.1 | 4.3 | 2 | |
| STW | mm | 24.2 | 24~24.4 | 1.2 | 1.14~1.26 | 3.1 | 4.4 | 2 | |
| STW | mm | 25 | 24.8~25.2 | 1.2 | 1.14~1.26 | 3.3 | 4.5 | 2 | |
| STW | mm | 25.9 | 25.7~26.1 | 1.5 | 1.44~1.56 | 3.1 | 4.6 | 2 | |
| STW | mm | 26.9 | 26.7~27.1 | 1.5 | 1.44~1.56 | 3.5 | 4.7 | 2 | |
| STW | mm | 27.9 | 27.7~28.1 | 1.5 | 1.44~1.56 | 3.5 | 4.8 | 2 | |
| STW | mm | 28.8 | 28.6~29 | 1.5 | 1.44~1.56 | 3.5 | 4.9 | 2.5 | |
| STW | mm | 29.6 | 29.4~29.8 | 1.5 | 1.44~1.56 | 3.5 | 5 | 2.5 | |