| 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 | 公差 | 最小 | 公差 | 值 | 值 | 公差 |
| RTW | inch | 3.523 | 3.468~3.578 | 0.109 | 0.106~0.112 | 0.262 | ±0.008 | 0.129 | ±0.007 | 0.31 | 0.125 | +0.015,-0.002 | |
| RTW | inch | 3.623 | 3.568~3.678 | 0.109 | 0.106~0.112 | 0.269 | ±0.008 | 0.135 | ±0.007 | 0.342 | 0.125 | +0.015,-0.002 | |
| RTW | inch | 3.734 | 3.679~3.789 | 0.109 | 0.106~0.112 | 0.276 | ±0.008 | 0.14 | ±0.007 | 0.342 | 0.125 | +0.015,-0.002 | |
| RTW | inch | 3.857 | 3.802~3.912 | 0.109 | 0.106~0.112 | 0.286 | ±0.008 | 0.144 | ±0.007 | 0.342 | 0.125 | +0.015,-0.002 | |
| RTW | inch | 3.89 | 3.835~3.945 | 0.109 | 0.106~0.112 | 0.289 | ±0.008 | 0.142 | ±0.007 | 0.342 | 0.125 | +0.015,-0.002 | |
| RTW | inch | 3.936 | 3.881~3.991 | 0.109 | 0.106~0.112 | 0.292 | ±0.008 | 0.142 | ±0.007 | 0.342 | 0.125 | +0.015,-0.002 | |
| RTW | inch | 4.024 | 3.969~4.079 | 0.109 | 0.106~0.112 | 0.299 | ±0.008 | 0.15 | ±0.007 | 0.342 | 0.125 | +0.015,-0.002 | |
| RTW | inch | 4.157 | 4.092~4.222 | 0.109 | 0.106~0.112 | 0.309 | ±0.008 | 0.155 | ±0.007 | 0.342 | 0.125 | +0.015,-0.002 | |
| RTW | inch | 4.291 | 4.226~4.356 | 0.109 | 0.106~0.112 | 0.319 | ±0.008 | 0.16 | ±0.007 | 0.37 | 0.125 | +0.015,-0.002 | |
| RTW | inch | 4.358 | 4.293~4.423 | 0.109 | 0.106~0.112 | 0.324 | ±0.008 | 0.161 | ±0.007 | 0.37 | 0.125 | +0.015,-0.002 | |
| RTW | inch | 4.424 | 4.359~4.489 | 0.109 | 0.106~0.112 | 0.33 | ±0.008 | 0.166 | ±0.007 | 0.37 | 0.125 | +0.015,-0.002 | |
| RTW | inch | 4.558 | 4.493~4.623 | 0.109 | 0.106~0.112 | 0.33 | ±0.009 | 0.171 | ±0.009 | 0.37 | 0.125 | +0.015,-0.002 | |
| RTW | inch | 4.691 | 4.626~4.756 | 0.109 | 0.106~0.112 | 0.335 | ±0.009 | 0.18 | ±0.009 | 0.37 | 0.125 | +0.015,-0.002 | |
| RTW | inch | 4.756 | 4.691~4.821 | 0.109 | 0.106~0.112 | 0.343 | ±0.009 | 0.18 | ±0.009 | 0.405 | 0.156 | +0.020,-0.005 | |
| RTW | inch | 4.94 | 4.875~5.005 | 0.109 | 0.106~0.112 | 0.351 | ±0.009 | 0.181 | ±0.009 | 0.405 | 0.156 | +0.020,-0.005 | |