| 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 | mm | 44.6 | 44.28~45.11 | 1.57 | 1.50~1.65 | 4.11 | ±0.177 | 1.96 | ±0.177 | 1.93 | +0.381,-0.050 | |
| IRTW | mm | 46.3 | 45.98~46.81 | 1.57 | 1.50~1.65 | 4.22 | ±0.177 | 2.01 | ±0.177 | 1.93 | +0.381,-0.050 | |
| IRTW | mm | 48.03 | 47.71~48.53 | 1.57 | 1.50~1.65 | 4.32 | ±0.177 | 2.08 | ±0.177 | 1.93 | +0.381,-0.050 | |
| IRTW | mm | 51.44 | 51.11~51.94 | 1.57 | 1.50~1.65 | 4.78 | ±0.177 | 2.29 | ±0.177 | 1.93 | +0.381,-0.050 | |
| IRTW | mm | 54.86 | 54.54~55.37 | 1.57 | 1.50~1.65 | 5.28 | ±0.177 | 2.54 | ±0.177 | 1.93 | +0.381,-0.050 | |
| IRTW | mm | 56.49 | 56.11~57.12 | 1.98 | 1.91~2.05 | 5.54 | ±0.177 | 2.69 | ±0.177 | 2.39 | +0.381,-0.050 | |
| IRTW | mm | 58.29 | 57.92~58.92 | 1.98 | 1.91~2.05 | 5.66 | ±0.177 | 2.74 | ±0.177 | 2.39 | +0.381,-0.050 | |
| IRTW | mm | 65.2 | 64.83~65.83 | 1.98 | 1.91~2.05 | 6.17 | ±0.177 | 2.92 | ±0.177 | 2.39 | +0.381,-0.050 | |
| IRTW | mm | 66.9 | 66.53~67.53 | 1.98 | 1.91~2.05 | 6.3 | ±0.177 | 2.97 | ±0.177 | 2.39 | +0.381,-0.050 | |
| IRTW | mm | 68.58 | 68.20~69.21 | 1.98 | 1.91~2.05 | 6.45 | ±0.177 | 3.05 | ±0.177 | 2.39 | +0.381,-0.050 | |
| IRTW | mm | 72.14 | 71.63~72.89 | 2.36 | 2.29~2.43 | 6.76 | ±0.177 | 3.25 | ±0.177 | 2.77 | +0.381,-0.050 | |
| IRTW | mm | 75.57 | 75.06~76.32 | 2.36 | 2.29~2.43 | 7.06 | ±0.177 | 3.4 | ±0.177 | 2.77 | +0.381,-0.050 | |
| IRTW | mm | 77.8 | 77.30~78.56 | 2.36 | 2.29~2.43 | 7.26 | ±0.177 | 3.53 | ±0.177 | 2.77 | +0.381,-0.050 | |
| IRTW | mm | 78.87 | 78.36~79.62 | 2.36 | 2.29~2.43 | 7.37 | ±0.177 | 3.53 | ±0.177 | 2.77 | +0.381,-0.050 | |
| IRTW | mm | 82.42 | 81.92~83.18 | 2.36 | 2.29~2.43 | 7.67 | ±0.177 | 3.63 | ±0.177 | 2.77 | +0.381,-0.050 | |
