| 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 | 2.854 | 2.837~2.897 | 0.098 | 0.096~0.098 | 0.24 | 0.402 | 0.118 | |
| RTW | inch | 2.933 | 2.915~2.976 | 0.098 | 0.096~0.098 | 0.244 | 0.402 | 0.118 | |
| RTW | inch | 3.012 | 2.994~3.055 | 0.098 | 0.096~0.098 | 0.252 | 0.402 | 0.118 | |
| RTW | inch | 3.13 | 3.112~3.173 | 0.098 | 0.096~0.098 | 0.26 | 0.402 | 0.118 | |
| RTW | inch | 3.366 | 3.345~3.417 | 0.098 | 0.096~0.098 | 0.276 | 0.402 | 0.118 | |
| RTW | inch | 3.563 | 3.542~3.614 | 0.118 | 0.115~0.118 | 0.291 | 0.48 | 0.138 | |
| RTW | inch | 3.76 | 3.739~3.811 | 0.118 | 0.115~0.118 | 0.303 | 0.48 | 0.138 | |
| RTW | inch | 3.957 | 3.936~4.007 | 0.118 | 0.115~0.118 | 0.319 | 0.48 | 0.138 | |
| RTW | inch | 4.154 | 4.133~4.204 | 0.118 | 0.115~0.118 | 0.335 | 0.48 | 0.138 | |
| RTW | inch | 4.606 | 4.586~4.657 | 0.157 | 0.154~0.157 | 0.354 | 0.48 | 0.138 | |
| RTW | inch | 4.803 | 4.779~4.862 | 0.157 | 0.154~0.157 | 0.366 | 0.48 | 0.138 | |
| RTW | inch | 5 | 4.976~5.059 | 0.157 | 0.154~0.157 | 0.378 | 0.48 | 0.138 | |
| RTW | inch | 5.197 | 5.173~5.255 | 0.157 | 0.154~0.157 | 0.39 | 0.48 | 0.157 | |
| RTW | inch | 5.394 | 5.369~5.452 | 0.157 | 0.154~0.157 | 0.402 | 0.48 | 0.157 | |
| RTW | inch | 5.827 | 5.802~5.885 | 0.157 | 0.154~0.157 | 0.421 | 0.559 | 0.157 | |