| 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 | mm | 169 | 168.37~170.5 | 4 | 3.9~4 | 11.6 | 13 | 4 | |
| RTW | mm | 171.5 | 170.87~173 | 4 | 3.9~4 | 11.7 | 13 | 4 | |
| RTW | mm | 174.5 | 173.87~176 | 4 | 3.9~4 | 11.8 | 13 | 4 | |
| RTW | mm | 177.5 | 176.87~179 | 4 | 3.9~4 | 12.1 | 13.5 | 4 | |
| RTW | mm | 177.5 | 176.87~179 | 4 | 3.9~4 | 12.1 | 13.5 | 4 | |
| RTW | mm | 179.5 | 178.87~181 | 4 | 3.9~4 | 12.2 | 13.5 | 4 | |
| RTW | mm | 181.5 | 180.78~183.2 | 4 | 3.9~4 | 12.5 | 13.5 | 4 | |
| RTW | mm | 184.5 | 183.78~186.2 | 4 | 3.9~4 | 12.7 | 13.5 | 4 | |
| RTW | mm | 187.5 | 186.78~189.2 | 4 | 3.9~4 | 12.9 | 14.2 | 4 | |
| RTW | mm | 187.5 | 186.78~189.2 | 4 | 3.9~4 | 12.9 | 14.2 | 4 | |
| RTW | mm | 189.5 | 188.78~191.2 | 4 | 3.9~4 | 13.2 | 14.2 | 4 | |
| RTW | mm | 191.5 | 190.78~193.2 | 4 | 3.9~4 | 13.5 | 14.2 | 4 | |
| RTW | mm | 194.5 | 193.78~196.2 | 4 | 3.9~4 | 13.7 | 14.2 | 4 | |
| RTW | mm | 197.5 | 196.78~199.2 | 4 | 3.9~4 | 13.8 | 14.2 | 4 | |
| RTW | mm | 197.5 | 196.78~199.2 | 4 | 3.9~4 | 13.8 | 14.2 | 4 | |