| 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 | 6.28 | 6.215~6.344 | 6.28 | 0.123~0.129 | 0.417 | 0.209 | 0.457 | 0.15 | |
| RTW | inch | 6.476 | 6.412~6.541 | 6.476 | 0.123~0.129 | 0.425 | 0.213 | 0.457 | 0.15 | |
| RTW | inch | 6.646 | 6.581~6.710 | 6.646 | 0.123~0.129 | 0.425 | 0.213 | 0.457 | 0.15 | |
| RTW | inch | 6.894 | 6.813~6.974 | 6.894 | 0.153~0.162 | 0.429 | 0.213 | 0.484 | 0.181 | |
| RTW | inch | 7.098 | 7.018~7.179 | 7.098 | 0.153~0.162 | 0.437 | 0.22 | 0.484 | 0.181 | |
| RTW | inch | 7.307 | 7.227~7.387 | 7.307 | 0.153~0.162 | 0.449 | 0.22 | 0.484 | 0.181 | |
| RTW | inch | 7.531 | 7.451~7.612 | 7.531 | 0.153~0.162 | 0.457 | 0.224 | 0.531 | 0.181 | |
| RTW | inch | 7.74 | 7.660~7.820 | 7.74 | 0.153~0.162 | 0.472 | 0.232 | 0.531 | 0.181 | |
| RTW | inch | 7.98 | 7.890~8.070 | 7.98 | 0.185~0.193 | 0.488 | 0.236 | 0.559 | 0.181 | |
| RTW | inch | 8.177 | 8.087~8.267 | 8.177 | 0.185~0.193 | 0.508 | 0.248 | 0.559 | 0.181 | |
| RTW | inch | 8.575 | 8.485~8.665 | 8.575 | 0.185~0.193 | 0.524 | 0.256 | 0.559 | 0.181 | |
| RTW | inch | 9.067 | 8.977~9.157 | 9.067 | 0.185~0.193 | 0.559 | 0.272 | 0.598 | 0.181 | |
| RTW | inch | 9.469 | 9.378~9.559 | 9.469 | 0.185~0.193 | 0.591 | 0.287 | 0.661 | 0.181 | |
| RTW | inch | 9.898 | 9.808~9.988 | 9.898 | 0.185~0.193 | 0.61 | 0.295 | 0.661 | 0.181 | |
| RTW | inch | 10.327 | 10.237~10.417 | 10.327 | 0.185~0.193 | 0.642 | 0.303 | 0.736 | 0.181 | |