| 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 | 最小 | 值 | 值 |
| RTW | inch | 3.937 | 3.882~3.992 | 3.937 | 0.108~0.113 | 0.291 | 0.142 | 0.343 | 0.122 | |
| RTW | inch | 4.024 | 3.969~4.078 | 4.024 | 0.108~0.113 | 0.299 | 0.15 | 0.343 | 0.122 | |
| RTW | inch | 4.157 | 4.093~4.222 | 4.157 | 0.108~0.113 | 0.307 | 0.154 | 0.343 | 0.122 | |
| RTW | inch | 4.291 | 4.227~4.356 | 4.291 | 0.108~0.113 | 0.319 | 0.161 | 0.37 | 0.122 | |
| RTW | inch | 4.358 | 4.294~4.423 | 4.358 | 0.108~0.113 | 0.323 | 0.161 | 0.37 | 0.122 | |
| RTW | inch | 4.425 | 4.361~4.490 | 4.425 | 0.108~0.113 | 0.331 | 0.165 | 0.37 | 0.122 | |
| RTW | inch | 4.559 | 4.495~4.624 | 4.559 | 0.108~0.113 | 0.331 | 0.169 | 0.37 | 0.122 | |
| RTW | inch | 4.693 | 4.628~4.757 | 4.693 | 0.108~0.113 | 0.335 | 0.181 | 0.37 | 0.122 | |
| RTW | inch | 4.756 | 4.691~4.820 | 4.756 | 0.108~0.113 | 0.343 | 0.181 | 0.406 | 0.15 | |
| RTW | inch | 4.961 | 4.896~5.025 | 4.961 | 0.108~0.113 | 0.35 | 0.181 | 0.406 | 0.15 | |
| RTW | inch | 5.213 | 5.148~5.277 | 5.213 | 0.108~0.113 | 0.37 | 0.181 | 0.406 | 0.15 | |
| RTW | inch | 5.398 | 5.333~5.462 | 5.398 | 0.108~0.113 | 0.374 | 0.185 | 0.406 | 0.15 | |
| RTW | inch | 5.61 | 5.546~5.675 | 5.61 | 0.108~0.113 | 0.386 | 0.193 | 0.406 | 0.15 | |
| RTW | inch | 5.846 | 5.782~5.911 | 5.846 | 0.123~0.129 | 0.409 | 0.197 | 0.457 | 0.15 | |
| RTW | inch | 6.067 | 6.002~6.131 | 6.067 | 0.123~0.129 | 0.409 | 0.197 | 0.457 | 0.15 | |