| 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 | 最小 | 值 | 值 |
| STW | inch | 0.25 | 0.245~0.251 | 0.024 | 0.022~0.025 | 0.035 | 0.024 | 0.081 | 0.039 | |
| STW | inch | 0.281 | 0.276~0.283 | 0.024 | 0.022~0.025 | 0.039 | 0.026 | 0.087 | 0.039 | |
| STW | inch | 0.321 | 0.315~0.322 | 0.024 | 0.022~0.025 | 0.045 | 0.03 | 0.087 | 0.039 | |
| STW | inch | 0.354 | 0.349~0.356 | 0.024 | 0.022~0.025 | 0.051 | 0.031 | 0.087 | 0.039 | |
| STW | inch | 0.394 | 0.388~0.395 | 0.024 | 0.022~0.025 | 0.055 | 0.033 | 0.087 | 0.039 | |
| STW | inch | 0.427 | 0.422~0.429 | 0.024 | 0.022~0.025 | 0.059 | 0.035 | 0.087 | 0.039 | |
| STW | inch | 0.469 | 0.459~0.474 | 0.035 | 0.034~0.037 | 0.063 | 0.037 | 0.11 | 0.047 | |
| STW | inch | 0.508 | 0.499~0.513 | 0.035 | 0.034~0.037 | 0.067 | 0.039 | 0.11 | 0.047 | |
| STW | inch | 0.543 | 0.534~0.549 | 0.035 | 0.034~0.037 | 0.071 | 0.041 | 0.11 | 0.047 | |
| STW | inch | 0.579 | 0.569~0.584 | 0.035 | 0.034~0.037 | 0.081 | 0.045 | 0.11 | 0.047 | |
| STW | inch | 0.62 | 0.611~0.625 | 0.035 | 0.034~0.037 | 0.083 | 0.045 | 0.11 | 0.047 | |
| STW | inch | 0.656 | 0.646~0.661 | 0.043 | 0.041~0.045 | 0.089 | 0.049 | 0.136 | 0.051 | |
| STW | inch | 0.693 | 0.684~0.698 | 0.043 | 0.041~0.045 | 0.093 | 0.051 | 0.136 | 0.051 | |
| STW | inch | 0.722 | 0.713~0.728 | 0.043 | 0.041~0.045 | 0.094 | 0.053 | 0.136 | 0.051 | |
| STW | inch | 0.764 | 0.754~0.769 | 0.043 | 0.041~0.045 | 0.098 | 0.055 | 0.136 | 0.051 | |