| 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 | 50.8 | 50.35~51.25 | 2 | 1.93~2.07 | 5 | 7 | 2.5 | |
| STW | mm | 51.8 | 51.35~52.25 | 2 | 1.93~2.07 | 5 | 7 | 2.5 | |
| STW | mm | 53.8 | 53.35~54.25 | 2 | 1.93~2.07 | 5.5 | 7.1 | 2.5 | |
| STW | mm | 55.8 | 55.35~56.25 | 2 | 1.93~2.07 | 5.5 | 7.2 | 2.5 | |
| STW | mm | 57.8 | 57.35~58.25 | 2 | 1.93~2.07 | 5.5 | 7.2 | 2.5 | |
| STW | mm | 58.8 | 58.35~59.25 | 2 | 1.93~2.07 | 5.5 | 7.3 | 2.5 | |
| STW | mm | 60.8 | 60.35~61.25 | 2.5 | 2.42~2.58 | 6.4 | 7.4 | 2.5 | |
| STW | mm | 63.5 | 63.05~63.95 | 2.5 | 2.42~2.58 | 6.4 | 7.8 | 2.5 | |
| STW | mm | 65.5 | 65.05~65.95 | 2.5 | 2.42~2.58 | 6.4 | 7.8 | 2.5 | |
| STW | mm | 67.5 | 67.05~67.95 | 2.5 | 2.42~2.58 | 7 | 7.9 | 2.5 | |
| STW | mm | 70.5 | 70.05~70.95 | 2.5 | 2.42~2.58 | 7 | 7.9 | 2.5 | |
| STW | mm | 73.5 | 73.05~73.95 | 2.5 | 2.42~2.58 | 7.4 | 8.1 | 2.5 | |
| STW | mm | 74.5 | 74.05~74.95 | 2.5 | 2.42~2.58 | 7.4 | 8.2 | 2.5 | |
| STW | mm | 76.5 | 76.05~76.95 | 2.5 | 2.42~2.58 | 7.4 | 8.3 | 3 | |
| STW | mm | 79.5 | 79.05~79.95 | 3 | 2.91~3.09 | 8 | 8.4 | 3 | |