| 扣環 | 截面 | 孔徑 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 項目 | 標準牌號 | 單位 | 外徑 | 公差 | 厚度 | 公差 | 最大 | 公差 | 值 |
| IRTW | inch | 0.72 | 0.716~0.737 | 0.039 | 0.038~0.039 | 0.083 | ±0.0039 | 0.051 | |
| IRTW | inch | 0.768 | 0.763~0.784 | 0.039 | 0.038~0.039 | 0.087 | ±0.0039 | 0.051 | |
| IRTW | inch | 0.807 | 0.802~0.823 | 0.039 | 0.038~0.039 | 0.087 | ±0.0039 | 0.051 | |
| IRTW | inch | 0.846 | 0.842~0.862 | 0.039 | 0.038~0.039 | 0.091 | ±0.0039 | 0.051 | |
| IRTW | inch | 0.886 | 0.881~0.902 | 0.039 | 0.038~0.039 | 0.094 | ±0.0039 | 0.051 | |
| IRTW | inch | 0.925 | 0.921~0.941 | 0.039 | 0.038~0.039 | 0.094 | ±0.0039 | 0.051 | |
| IRTW | inch | 1.02 | 1.012~1.036 | 0.047 | 0.045~0.047 | 0.11 | ±0.0039 | 0.059 | |
| IRTW | inch | 1.059 | 1.051~1.075 | 0.047 | 0.045~0.047 | 0.11 | ±0.0039 | 0.059 | |
| IRTW | inch | 1.098 | 1.091~1.114 | 0.047 | 0.045~0.047 | 0.118 | ±0.0039 | 0.059 | |
| IRTW | inch | 1.146 | 1.138~1.162 | 0.047 | 0.045~0.047 | 0.118 | ±0.0039 | 0.059 | |
| IRTW | inch | 1.185 | 1.176~1.204 | 0.047 | 0.045~0.047 | 0.122 | ±0.0039 | 0.059 | |
| IRTW | inch | 1.264 | 1.254~1.283 | 0.047 | 0.045~0.047 | 0.126 | ±0.0039 | 0.059 | |
| IRTW | inch | 1.354 | 1.345~1.374 | 0.047 | 0.045~0.047 | 0.13 | ±0.0039 | 0.059 | |
| IRTW | inch | 1.398 | 1.388~1.417 | 0.047 | 0.045~0.047 | 0.13 | ±0.0039 | 0.059 | |
| IRTW | inch | 1.437 | 1.428~1.456 | 0.059 | 0.057~0.059 | 0.134 | ±0.0039 | 0.059 | |