| 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 | mm | 64.59 | 63.84~65.10 | 2.36 | 2.29~2.43 | 6.3 | ±0.177 | 3.33 | ±0.177 | 8.23 | 3.18 | +0.381,-0.050 | |
| NT | mm | 67.54 | 66.78~68.04 | 2.36 | 2.29~2.43 | 6.5 | ±0.177 | 3.38 | ±0.177 | 8.23 | 3.18 | +0.381,-0.050 | |
| NT | mm | 69.01 | 68.25~69.51 | 2.36 | 2.29~2.43 | 6.6 | ±0.177 | 3.45 | ±0.177 | 8.23 | 3.18 | +0.381,-0.050 | |
| NT | mm | 70.49 | 69.73~70.99 | 2.36 | 2.29~2.43 | 6.71 | ±0.177 | 3.51 | ±0.177 | 6.71 | 3.18 | +0.381,-0.050 | |
| NT | mm | 71.93 | 71.18~72.44 | 2.36 | 2.29~2.43 | 7.62 | ±0.177 | 3.33 | ±0.177 | 7.62 | 3.18 | +0.381,-0.050 | |
| NT | mm | 73.46 | 72.70~73.96 | 2.36 | 2.29~2.43 | 6.91 | ±0.203 | 3.58 | ±0.203 | 8.23 | 3.18 | +0.381,-0.050 | |
| NT | mm | 74.17 | 73.41~74.67 | 2.36 | 2.29~2.43 | 6.96 | ±0.203 | 3.63 | ±0.203 | 8.23 | 3.18 | +0.381,-0.050 | |
| NT | mm | 76.35 | 75.60~76.86 | 2.36 | 2.29~2.43 | 7.62 | ±0.203 | 3.68 | ±0.203 | 7.62 | 3.18 | +0.381,-0.050 | |
| NT | mm | 78.54 | 77.78~79.04 | 2.36 | 2.29~2.43 | 7.62 | ±0.203 | 3.73 | ±0.203 | 7.62 | 3.18 | +0.381,-0.050 | |
| NT | mm | 80.75 | 79.99~81.25 | 2.36 | 2.29~2.43 | 7.62 | ±0.203 | 3.76 | ±0.203 | 7.62 | 3.18 | +0.381,-0.050 | |
| NT | mm | 82.22 | 81.46~82.72 | 2.77 | 2.70~2.84 | 7.24 | ±0.203 | 3.76 | ±0.203 | 7.24 | 3.18 | +0.381,-0.050 | |
| NT | mm | 83.24 | 82.48~83.74 | 2.77 | 2.70~2.84 | 7.87 | ±0.203 | 3.78 | ±0.203 | 7.87 | 3.18 | +0.381,-0.050 | |
| NT | mm | 85.14 | 84.38~85.64 | 2.77 | 2.70~2.84 | 7.87 | ±0.203 | 3.89 | ±0.203 | 7.87 | 3.18 | +0.381,-0.050 | |
| NT | mm | 86.61 | 85.86~87.12 | 2.77 | 2.70~2.84 | 7.87 | ±0.203 | 3.96 | ±0.203 | 7.87 | 3.18 | +0.381,-0.050 | |
| NT | mm | 88.09 | 87.33~88.59 | 2.77 | 2.70~2.84 | 8.69 | ±0.203 | 4.06 | ±0.203 | 8.69 | 3.18 | +0.381,-0.050 | |
