| 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 | 232 | 231.28~233.7 | 5 | 4.88~5 | 14 | 14.2 | 4 | |
| RTW | mm | 232 | 231.28~233.7 | 5 | 4.88~5 | 14 | 14.2 | 4 | |
| RTW | mm | 237 | 236.28~238.7 | 5 | 4.88~5 | 14 | 14.2 | 4 | |
| RTW | mm | 237 | 236.28~238.7 | 5 | 4.88~5 | 14 | 14.2 | 4 | |
| RTW | mm | 242 | 241.28~243.7 | 5 | 4.88~5 | 14 | 14.2 | 4 | |
| RTW | mm | 242 | 241.28~243.7 | 5 | 4.88~5 | 14 | 14.2 | 4 | |
| RTW | mm | 242 | 241.19~244 | 5 | 4.88~5 | 14 | 14.2 | 4 | |
| RTW | mm | 247 | 246.19~249 | 5 | 4.88~5 | 14 | 14.2 | 4 | |
| RTW | mm | 247 | 246.19~249 | 5 | 4.88~5 | 14 | 14.2 | 4 | |
| RTW | mm | 252 | 251.19~254 | 5 | 4.88~5 | 14 | 14.2 | 4 | |
| RTW | mm | 252 | 251.19~254 | 5 | 4.88~5 | 14 | 14.2 | 4 | |
| RTW | mm | 252 | 251.19~254 | 5 | 4.88~5 | 14 | 14.2 | 4 | |
| RTW | mm | 257 | 256.19~259 | 5 | 4.88~5 | 14 | 14.2 | 4 | |
| RTW | mm | 257 | 256.19~259 | 5 | 4.88~5 | 14 | 14.2 | 4 | |
| RTW | mm | 262 | 261.19~264 | 5 | 4.88~5 | 14 | 14.2 | 4 | |