| 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 | 117 | 116.46~118.3 | 4 | 3.9~4 | 9 | 12.2 | 3.5 | |
| RTW | mm | 122 | 121.37~123.5 | 4 | 3.9~4 | 9.3 | 12.2 | 3.5 | |
| RTW | mm | 127 | 126.37~128.5 | 4 | 3.9~4 | 9.6 | 12.2 | 3.5 | |
| RTW | mm | 132 | 131.37~133.5 | 4 | 3.9~4 | 9.9 | 12.2 | 4 | |
| RTW | mm | 137 | 136.37~138.5 | 4 | 3.9~4 | 10.2 | 12.2 | 4 | |
| RTW | mm | 148 | 147.37~149.5 | 4 | 3.9~4 | 10.7 | 14.2 | 4 | |
| RTW | mm | 158 | 157.37~159.5 | 4 | 3.9~4 | 11.1 | 14.2 | 4 | |
| RTW | mm | 169 | 168.37~170.5 | 4 | 3.9~4 | 11.8 | 14.2 | 4.5 | |
| RTW | mm | 179 | 178.37~180.5 | 4 | 3.9~4 | 12.3 | 14.2 | 4.5 | |
| RTW | inch | 0.681 | 0.676~0.697 | 0.039 | 0.038~0.039 | 0.083 | 0.134 | 0.067 | |
| RTW | inch | 0.72 | 0.716~0.737 | 0.039 | 0.038~0.039 | 0.087 | 0.146 | 0.067 | |
| RTW | inch | 0.768 | 0.763~0.784 | 0.039 | 0.038~0.039 | 0.087 | 0.15 | 0.067 | |
| RTW | inch | 0.807 | 0.802~0.823 | 0.039 | 0.038~0.039 | 0.091 | 0.15 | 0.079 | |
| RTW | inch | 0.846 | 0.842~0.862 | 0.039 | 0.038~0.039 | 0.094 | 0.154 | 0.079 | |
| RTW | inch | 0.886 | 0.881~0.902 | 0.039 | 0.038~0.039 | 0.094 | 0.157 | 0.079 | |