| 扣環 | 截面 | 掛耳 | 孔徑 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 項目 | 標準牌號 | 單位 | 內徑 | 公差 | 厚度 | 公差 | 最大 | 公差 | 最小 | 公差 | 值 | 值 | 公差 |
| NT | inch | 2.139 | 2.114~2.154 | 0.078 | 0.075~0.081 | 0.222 | ±0.007 | 0.118 | ±0.007 | 0.28 | 0.125 | +0.015,-0.002 | |
| NT | inch | 2.197 | 2.172~2.212 | 0.078 | 0.075~0.081 | 0.224 | ±0.007 | 0.119 | ±0.007 | 0.292 | 0.125 | +0.015,-0.002 | |
| NT | inch | 2.255 | 2.230~2.270 | 0.078 | 0.075~0.081 | 0.228 | ±0.007 | 0.12 | ±0.007 | 0.268 | 0.125 | +0.015,-0.002 | |
| NT | inch | 2.313 | 2.288~2.328 | 0.078 | 0.075~0.081 | 0.232 | ±0.007 | 0.122 | ±0.007 | 0.292 | 0.125 | +0.015,-0.002 | |
| NT | inch | 2.377 | 2.347~2.397 | 0.078 | 0.075~0.081 | 0.238 | ±0.007 | 0.125 | ±0.007 | 0.268 | 0.125 | +0.015,-0.002 | |
| NT | inch | 2.428 | 2.398~2.448 | 0.078 | 0.075~0.081 | 0.242 | ±0.007 | 0.127 | ±0.007 | 0.292 | 0.125 | +0.015,-0.002 | |
| NT | inch | 2.485 | 2.455~2.505 | 0.078 | 0.075~0.081 | 0.246 | ±0.007 | 0.129 | ±0.007 | 0.292 | 0.125 | +0.015,-0.002 | |
| NT | inch | 2.543 | 2.513~2.563 | 0.093 | 0.090~0.096 | 0.248 | ±0.007 | 0.131 | ±0.007 | 0.324 | 0.125 | +0.015,-0.002 | |
| NT | inch | 2.659 | 2.629~2.679 | 0.093 | 0.090~0.096 | 0.256 | ±0.007 | 0.133 | ±0.007 | 0.324 | 0.125 | +0.015,-0.002 | |
| NT | inch | 2.717 | 2.687~2.737 | 0.093 | 0.090~0.096 | 0.26 | ±0.007 | 0.136 | ±0.007 | 0.324 | 0.125 | +0.015,-0.002 | |
| NT | inch | 2.775 | 2.745~2.795 | 0.093 | 0.090~0.096 | 0.264 | ±0.007 | 0.138 | ±0.007 | 0.264 | 0.125 | +0.015,-0.002 | |
| NT | inch | 2.832 | 2.802~2.852 | 0.093 | 0.090~0.096 | 0.3 | ±0.007 | 0.131 | ±0.007 | 0.3 | 0.125 | +0.015,-0.002 | |
| NT | inch | 2.892 | 2.862~2.912 | 0.093 | 0.090~0.096 | 0.272 | ±0.008 | 0.141 | ±0.008 | 0.324 | 0.125 | +0.015,-0.002 | |
| NT | inch | 2.92 | 2.890~2.940 | 0.093 | 0.090~0.096 | 0.274 | ±0.008 | 0.143 | ±0.008 | 0.324 | 0.125 | +0.015,-0.002 | |
| NT | inch | 3.006 | 2.976~3.026 | 0.093 | 0.090~0.096 | 0.3 | ±0.008 | 0.145 | ±0.008 | 0.3 | 0.125 | +0.015,-0.002 | |