| 扣環 | 截面 | 孔徑 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 項目 | 標準牌號 | 單位 | 外徑 | 公差 | 厚度 | 公差 | 最大 | 公差 | 最小 | 公差 | 值 | 公差 |
| IRTW | inch | 1.351 | 1.341~1.366 | 0.05 | 0.048~0.052 | 0.129 | ±0.006 | 0.061 | ±0.006 | 0.05 | +0.010,-0.002 | |
| IRTW | inch | 1.418 | 1.408~1.433 | 0.05 | 0.048~0.052 | 0.132 | ±0.006 | 0.063 | ±0.006 | 0.05 | +0.010,-0.002 | |
| IRTW | inch | 1.486 | 1.476~1.501 | 0.05 | 0.048~0.052 | 0.135 | ±0.006 | 0.065 | ±0.006 | 0.05 | +0.010,-0.002 | |
| IRTW | inch | 1.552 | 1.542~1.567 | 0.05 | 0.048~0.052 | 0.144 | ±0.006 | 0.069 | ±0.006 | 0.076 | +0.015,-0.002 | |
| IRTW | inch | 1.622 | 1.612~1.637 | 0.05 | 0.048~0.052 | 0.148 | ±0.006 | 0.07 | ±0.006 | 0.076 | +0.015,-0.002 | |
| IRTW | inch | 1.688 | 1.675~1.708 | 0.062 | 0.059~0.065 | 0.158 | ±0.007 | 0.074 | ±0.007 | 0.076 | +0.015,-0.002 | |
| IRTW | inch | 1.756 | 1.743~1.776 | 0.062 | 0.059~0.065 | 0.162 | ±0.007 | 0.077 | ±0.007 | 0.076 | +0.015,-0.002 | |
| IRTW | inch | 1.823 | 1.810~1.843 | 0.062 | 0.059~0.065 | 0.166 | ±0.007 | 0.079 | ±0.007 | 0.076 | +0.015,-0.002 | |
| IRTW | inch | 1.891 | 1.878~1.911 | 0.062 | 0.059~0.065 | 0.17 | ±0.007 | 0.082 | ±0.007 | 0.076 | +0.015,-0.002 | |
| IRTW | inch | 2.025 | 2.012~2.045 | 0.062 | 0.059~0.065 | 0.188 | ±0.007 | 0.09 | ±0.007 | 0.076 | +0.015,-0.002 | |
| IRTW | inch | 2.16 | 2.147~2.180 | 0.062 | 0.059~0.065 | 0.208 | ±0.007 | 0.1 | ±0.007 | 0.076 | +0.015,-0.002 | |
| IRTW | inch | 2.224 | 2.209~2.249 | 0.078 | 0.075~0.081 | 0.218 | ±0.007 | 0.106 | ±0.007 | 0.094 | +0.015,-0.002 | |
| IRTW | inch | 2.295 | 2.280~2.320 | 0.078 | 0.075~0.081 | 0.223 | ±0.007 | 0.108 | ±0.007 | 0.094 | +0.015,-0.002 | |
| IRTW | inch | 2.567 | 2.552~2.592 | 0.078 | 0.075~0.081 | 0.243 | ±0.007 | 0.115 | ±0.007 | 0.094 | +0.015,-0.002 | |
| IRTW | inch | 2.634 | 2.619~2.659 | 0.078 | 0.075~0.081 | 0.248 | ±0.007 | 0.117 | ±0.007 | 0.094 | +0.015,-0.002 | |