| 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 | 7.776 | 7.748~7.842 | 0.157 | 0.154~0.157 | 0.543 | 0.559 | 0.157 | |
| RTW | inch | 7.854 | 7.826~7.921 | 0.157 | 0.154~0.157 | 0.543 | 0.559 | 0.157 | |
| RTW | inch | 7.933 | 7.905~8.000 | 0.157 | 0.154~0.157 | 0.543 | 0.559 | 0.157 | |
| RTW | inch | 8.051 | 8.023~8.118 | 0.157 | 0.154~0.157 | 0.543 | 0.559 | 0.157 | |
| RTW | inch | 8.169 | 8.141~8.236 | 0.157 | 0.154~0.157 | 0.551 | 0.559 | 0.157 | |
| RTW | inch | 8.169 | 8.141~8.236 | 0.157 | 0.154~0.157 | 0.551 | 0.559 | 0.157 | |
| RTW | inch | 8.248 | 8.220~8.314 | 0.157 | 0.154~0.157 | 0.551 | 0.559 | 0.157 | |
| RTW | inch | 8.425 | 8.397~8.492 | 0.197 | 0.193~0.196 | 0.551 | 0.559 | 0.157 | |
| RTW | inch | 8.543 | 8.515~8.610 | 0.197 | 0.193~0.196 | 0.551 | 0.559 | 0.157 | |
| RTW | inch | 8.543 | 8.515~8.610 | 0.197 | 0.193~0.196 | 0.551 | 0.559 | 0.157 | |
| RTW | inch | 8.74 | 8.712~8.807 | 0.197 | 0.193~0.196 | 0.551 | 0.559 | 0.157 | |
| RTW | inch | 8.74 | 8.712~8.807 | 0.197 | 0.193~0.196 | 0.551 | 0.559 | 0.157 | |
| RTW | inch | 8.74 | 8.712~8.807 | 0.197 | 0.193~0.196 | 0.551 | 0.559 | 0.157 | |
| RTW | inch | 8.937 | 8.909~9.003 | 0.197 | 0.193~0.196 | 0.551 | 0.559 | 0.157 | |
| RTW | inch | 8.937 | 8.909~9.003 | 0.197 | 0.193~0.196 | 0.551 | 0.559 | 0.157 | |