| 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 | 公差 | 最小 | 公差 | 值 | 值 | 公差 |
| MT | mm | 49.33 | 48.70~50.21 | 1.57 | 1.50~1.65 | 4.34 | ±0.177 | 2.11 | ±0.177 | 5.84 | 1.98 | +0.381,-0.050 | |
| MT | mm | 51.1 | 50.47~51.99 | 1.57 | 1.50~1.65 | 4.32 | ±0.177 | 2.13 | ±0.177 | 5.84 | 2.36 | +0.381,-0.050 | |
| MT | mm | 52.17 | 51.54~53.06 | 1.57 | 1.50~1.65 | 4.32 | ±0.177 | 2.16 | ±0.177 | 5.94 | 2.36 | +0.381,-0.050 | |
| MT | mm | 54.38 | 53.75~55.27 | 1.57 | 1.50~1.65 | 4.32 | ±0.177 | 2.16 | ±0.177 | 5.84 | 2.36 | +0.381,-0.050 | |
| MT | mm | 56.13 | 55.50~57.02 | 1.57 | 1.50~1.65 | 4.32 | ±0.177 | 2.16 | ±0.177 | 5.84 | 2.36 | +0.381,-0.050 | |
| MT | mm | 57.91 | 57.15~58.92 | 1.98 | 1.91~2.05 | 4.72 | ±0.177 | 2.31 | ±0.177 | 6.35 | 2.36 | +0.381,-0.050 | |
| MT | mm | 59.69 | 58.93~60.70 | 1.98 | 1.91~2.05 | 4.95 | ±0.177 | 2.44 | ±0.177 | 6.35 | 2.36 | +0.381,-0.050 | |
| MT | mm | 61.34 | 60.58~62.35 | 1.98 | 1.91~2.05 | 5.05 | ±0.177 | 2.49 | ±0.177 | 6.35 | 2.36 | +0.381,-0.050 | |
| MT | mm | 63.25 | 62.49~64.26 | 1.98 | 1.91~2.05 | 5.16 | ±0.177 | 2.51 | ±0.177 | 7.11 | 2.36 | +0.381,-0.050 | |
| MT | mm | 65.02 | 64.27~66.04 | 1.98 | 1.91~2.05 | 5.23 | ±0.177 | 2.54 | ±0.177 | 7.11 | 2.36 | +0.381,-0.050 | |
| MT | mm | 66.8 | 66.04~67.81 | 1.98 | 1.91~2.05 | 5.26 | ±0.177 | 2.59 | ±0.177 | 7.11 | 2.36 | +0.381,-0.050 | |
| MT | mm | 68.63 | 67.87~69.64 | 1.98 | 1.91~2.05 | 5.31 | ±0.177 | 2.62 | ±0.177 | 7.11 | 2.79 | +0.381,-0.050 | |
| MT | mm | 70.49 | 69.73~71.50 | 1.98 | 1.91~2.05 | 5.33 | ±0.177 | 2.62 | ±0.177 | 7.11 | 2.79 | +0.381,-0.050 | |
| MT | mm | 72.24 | 71.48~73.25 | 2.36 | 2.29~2.43 | 5.64 | ±0.177 | 2.77 | ±0.177 | 7.62 | 2.79 | +0.381,-0.050 | |
| MT | mm | 73.91 | 73.16~74.93 | 2.36 | 2.29~2.43 | 5.74 | ±0.177 | 2.82 | ±0.177 | 7.37 | 2.79 | +0.381,-0.050 | |