| 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 | 3.13 | 3.115~3.165 | 0.098 | 0.096~0.098 | 0.26 | 0.307 | 0.118 | |
| RTW | inch | 3.169 | 3.154~3.204 | 0.098 | 0.096~0.098 | 0.26 | 0.307 | 0.118 | |
| RTW | inch | 3.248 | 3.227~3.299 | 0.098 | 0.096~0.098 | 0.268 | 0.335 | 0.118 | |
| RTW | inch | 3.248 | 3.227~3.299 | 0.098 | 0.096~0.098 | 0.268 | 0.335 | 0.118 | |
| RTW | inch | 3.366 | 3.345~3.417 | 0.098 | 0.096~0.098 | 0.276 | 0.335 | 0.118 | |
| RTW | inch | 3.406 | 3.385~3.456 | 0.098 | 0.096~0.098 | 0.276 | 0.335 | 0.118 | |
| RTW | inch | 3.445 | 3.424~3.496 | 0.098 | 0.096~0.098 | 0.276 | 0.335 | 0.118 | |
| RTW | inch | 3.484 | 3.463~3.535 | 0.098 | 0.096~0.098 | 0.276 | 0.335 | 0.118 | |
| RTW | inch | 3.563 | 3.542~3.614 | 0.118 | 0.115~0.118 | 0.283 | 0.339 | 0.138 | |
| RTW | inch | 3.681 | 3.660~3.732 | 0.118 | 0.115~0.118 | 0.291 | 0.339 | 0.138 | |
| RTW | inch | 3.681 | 3.660~3.732 | 0.118 | 0.115~0.118 | 0.291 | 0.339 | 0.138 | |
| RTW | inch | 3.76 | 3.739~3.811 | 0.118 | 0.115~0.118 | 0.299 | 0.339 | 0.138 | |
| RTW | inch | 3.839 | 3.818~3.889 | 0.118 | 0.115~0.118 | 0.307 | 0.343 | 0.138 | |
| RTW | inch | 3.957 | 3.936~4.007 | 0.118 | 0.115~0.118 | 0.319 | 0.346 | 0.138 | |
| RTW | inch | 4.075 | 4.054~4.125 | 0.118 | 0.115~0.118 | 0.327 | 0.354 | 0.138 | |