| 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 | 240 | 238.3~240.72 | 5 | 4.88~5 | 16 | 16.2 | 5 | |
| STW | mm | 240 | 238.3~240.72 | 5 | 4.88~5 | 16 | 16.2 | 5 | |
| STW | mm | 240 | 238.3~240.72 | 5 | 4.88~5 | 16 | 16.2 | 5 | |
| STW | mm | 245 | 243.3~245.72 | 5 | 4.88~5 | 16 | 16.2 | 5 | |
| STW | mm | 245 | 243.3~245.72 | 5 | 4.88~5 | 16 | 16.2 | 5 | |
| STW | mm | 250 | 248.3~250.72 | 5 | 4.88~5 | 16 | 16.2 | 5 | |
| STW | mm | 250 | 248.3~250.72 | 5 | 4.88~5 | 16 | 16.2 | 5 | |
| STW | mm | 250 | 248.3~250.72 | 5 | 4.88~5 | 16 | 16.2 | 5 | |
| STW | mm | 255 | 253~255.81 | 5 | 4.88~5 | 16 | 16.2 | 5 | |
| STW | mm | 255 | 253~255.81 | 5 | 4.88~5 | 16 | 16.2 | 5 | |
| STW | mm | 260 | 258~260.81 | 5 | 4.88~5 | 16 | 16.2 | 5 | |
| STW | mm | 260 | 258~260.81 | 5 | 4.88~5 | 16 | 16.2 | 5 | |
| STW | mm | 260 | 258~260.81 | 5 | 4.88~5 | 16 | 16.2 | 5 | |
| STW | mm | 265 | 263~265.81 | 5 | 4.88~5 | 16 | 16.2 | 5 | |
| STW | mm | 265 | 263~265.81 | 5 | 4.88~5 | 16 | 16.2 | 5 | |