| 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 | inch | 3.937 | 3.886~3.958 | 0.157 | 0.154~0.157 | 0.374 | 0.394 | 0.138 | |
| STW | inch | 3.937 | 3.886~3.958 | 0.157 | 0.154~0.157 | 0.374 | 0.394 | 0.138 | |
| STW | inch | 4.055 | 4.004~4.076 | 0.157 | 0.154~0.157 | 0.378 | 0.398 | 0.138 | |
| STW | inch | 4.134 | 4.083~4.155 | 0.157 | 0.154~0.157 | 0.382 | 0.406 | 0.138 | |
| STW | inch | 4.252 | 4.201~4.273 | 0.157 | 0.154~0.157 | 0.386 | 0.417 | 0.138 | |
| STW | inch | 4.331 | 4.280~4.351 | 0.157 | 0.154~0.157 | 0.394 | 0.425 | 0.138 | |
| STW | inch | 4.331 | 4.280~4.351 | 0.157 | 0.154~0.157 | 0.394 | 0.425 | 0.138 | |
| STW | inch | 4.449 | 4.398~4.470 | 0.157 | 0.154~0.157 | 0.402 | 0.433 | 0.138 | |
| STW | inch | 4.528 | 4.477~4.548 | 0.157 | 0.154~0.157 | 0.406 | 0.441 | 0.157 | |
| STW | inch | 4.646 | 4.595~4.666 | 0.157 | 0.154~0.157 | 0.409 | 0.449 | 0.157 | |
| STW | inch | 4.724 | 4.674~4.745 | 0.157 | 0.154~0.157 | 0.413 | 0.449 | 0.157 | |
| STW | inch | 4.724 | 4.674~4.745 | 0.157 | 0.154~0.157 | 0.413 | 0.449 | 0.157 | |
| STW | inch | 4.843 | 4.784~4.867 | 0.157 | 0.154~0.157 | 0.421 | 0.457 | 0.157 | |
| STW | inch | 4.921 | 4.863~4.946 | 0.157 | 0.154~0.157 | 0.425 | 0.461 | 0.157 | |
| STW | inch | 5.039 | 4.981~5.064 | 0.157 | 0.154~0.157 | 0.433 | 0.465 | 0.157 | |