| 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 | 2.894 | 2.876~2.911 | 0.098 | 0.096~0.101 | 0.291 | 0.319 | 0.098 | |
| STW | inch | 2.933 | 2.916~2.950 | 0.098 | 0.096~0.101 | 0.291 | 0.323 | 0.098 | |
| STW | inch | 3.012 | 2.995~3.029 | 0.098 | 0.096~0.101 | 0.291 | 0.327 | 0.118 | |
| STW | inch | 3.13 | 3.113~3.147 | 0.118 | 0.115~0.121 | 0.315 | 0.331 | 0.118 | |
| STW | inch | 3.248 | 3.227~3.269 | 0.118 | 0.115~0.121 | 0.315 | 0.339 | 0.118 | |
| STW | inch | 3.327 | 3.306~3.348 | 0.118 | 0.115~0.121 | 0.315 | 0.343 | 0.118 | |
| STW | inch | 3.524 | 3.502~3.545 | 0.118 | 0.115~0.121 | 0.339 | 0.358 | 0.118 | |
| STW | inch | 3.72 | 3.699~3.742 | 0.118 | 0.115~0.121 | 0.354 | 0.374 | 0.118 | |
| STW | inch | 3.858 | 3.837~3.879 | 0.157 | 0.154~0.161 | 0.374 | 0.386 | 0.118 | |
| STW | inch | 4.055 | 4.034~4.076 | 0.157 | 0.154~0.161 | 0.374 | 0.394 | 0.118 | |
| STW | inch | 4.252 | 4.231~4.273 | 0.157 | 0.154~0.161 | 0.374 | 0.413 | 0.118 | |
| STW | inch | 4.449 | 4.428~4.470 | 0.157 | 0.154~0.161 | 0.406 | 0.429 | 0.118 | |
| STW | inch | 4.646 | 4.625~4.667 | 0.157 | 0.154~0.161 | 0.406 | 0.445 | 0.138 | |
| STW | inch | 4.843 | 4.793~4.867 | 0.157 | 0.154~0.161 | 0.433 | 0.453 | 0.138 | |
| STW | inch | 5.039 | 4.990~5.064 | 0.157 | 0.154~0.161 | 0.433 | 0.453 | 0.138 | |