| 扣環 | 截面 | 掛耳 | 孔徑 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 項目 | 標準牌號 | 單位 | 外徑 | 公差 | 厚度 | 公差 | 最大 | 值 | 值 |
| RTW | mm | 137 | 136.37~138.5 | 4 | 3.9~4 | 10.2 | 11 | 4 | |
| RTW | mm | 139 | 138.37~140.5 | 4 | 3.9~4 | 10.3 | 11 | 4 | |
| RTW | mm | 142 | 141.37~143.5 | 4 | 3.9~4 | 10.5 | 11.2 | 4 | |
| RTW | mm | 145 | 144.37~146.5 | 4 | 3.9~4 | 10.6 | 11.2 | 4 | |
| RTW | mm | 145 | 144.37~146.5 | 4 | 3.9~4 | 10.6 | 11.2 | 4 | |
| RTW | mm | 147 | 146.37~148.5 | 4 | 3.9~4 | 10.7 | 11.2 | 4 | |
| RTW | mm | 149 | 148.37~150.5 | 4 | 3.9~4 | 10.8 | 11.3 | 4 | |
| RTW | mm | 152 | 151.37~153.5 | 4 | 3.9~4 | 10.9 | 11.4 | 4 | |
| RTW | mm | 155 | 154.37~156.5 | 4 | 3.9~4 | 11.1 | 11.8 | 4 | |
| RTW | mm | 155 | 154.37~156.5 | 4 | 3.9~4 | 11.1 | 11.8 | 4 | |
| RTW | mm | 158 | 157.37~159.5 | 4 | 3.9~4 | 11.2 | 12 | 4 | |
| RTW | mm | 161 | 160.37~162.5 | 4 | 3.9~4 | 11.3 | 12 | 4 | |
| RTW | mm | 164 | 163.37~165.5 | 4 | 3.9~4 | 11.4 | 12 | 4 | |
| RTW | mm | 167 | 166.37~168.5 | 4 | 3.9~4 | 11.5 | 12.3 | 4 | |
| RTW | mm | 167 | 166.37~168.5 | 4 | 3.9~4 | 11.5 | 12.3 | 4 | |