| 扣環 | 截面 | 掛耳 | 孔徑 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 項目 | 標準牌號 | 單位 | 外徑 | 公差 | 厚度 | 公差 | 最大 | 值 | 值 |
| RTW | inch | 1.957 | 1.939~1.974 | 0.069 | 0.067~0.071 | 0.197 | 0.24 | 0.098 | |
| RTW | inch | 1.988 | 1.971~2.005 | 0.069 | 0.067~0.071 | 0.177 | 0.24 | 0.098 | |
| RTW | inch | 2.028 | 2.010~2.045 | 0.069 | 0.067~0.071 | 0.177 | 0.244 | 0.098 | |
| RTW | inch | 2.134 | 2.117~2.151 | 0.079 | 0.076~0.081 | 0.177 | 0.256 | 0.098 | |
| RTW | inch | 2.213 | 2.195~2.230 | 0.079 | 0.076~0.081 | 0.201 | 0.256 | 0.098 | |
| RTW | inch | 2.331 | 2.313~2.348 | 0.079 | 0.076~0.081 | 0.201 | 0.256 | 0.098 | |
| RTW | inch | 2.37 | 2.353~2.387 | 0.079 | 0.076~0.081 | 0.201 | 0.26 | 0.098 | |
| RTW | inch | 2.449 | 2.432~2.466 | 0.079 | 0.076~0.081 | 0.201 | 0.268 | 0.098 | |
| RTW | inch | 2.528 | 2.510~2.545 | 0.079 | 0.076~0.081 | 0.217 | 0.268 | 0.098 | |
| RTW | inch | 2.606 | 2.589~2.624 | 0.079 | 0.076~0.081 | 0.217 | 0.272 | 0.098 | |
| RTW | inch | 2.646 | 2.628~2.663 | 0.079 | 0.076~0.081 | 0.217 | 0.272 | 0.098 | |
| RTW | inch | 2.724 | 2.707~2.742 | 0.098 | 0.096~0.101 | 0.217 | 0.276 | 0.098 | |
| RTW | inch | 2.854 | 2.837~2.872 | 0.098 | 0.096~0.101 | 0.236 | 0.291 | 0.098 | |
| RTW | inch | 2.933 | 2.916~2.950 | 0.098 | 0.096~0.101 | 0.236 | 0.291 | 0.098 | |
| RTW | inch | 3.012 | 2.995~3.029 | 0.098 | 0.096~0.101 | 0.26 | 0.291 | 0.098 | |