| 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 | 166.88 | 165.61~167.38 | 3.96 | 3.84~4.08 | 13.08 | ±0.381 | 6.5 | ±0.381 | 13.46 | 4.75 | +0.508,-0.127 | |
| NT | mm | 178.79 | 177.27~179.29 | 4.75 | 4.63~4.87 | 13.84 | ±0.381 | 7.04 | ±0.381 | 17.17 | 4.75 | +0.508,-0.127 | |
| NT | mm | 190.7 | 189.18~191.21 | 4.75 | 4.63~4.87 | 14.22 | ±0.381 | 7.47 | ±0.381 | 18.67 | 4.75 | +0.508,-0.127 | |
| NT | mm | 202.62 | 201.10~203.12 | 4.75 | 4.63~4.87 | 14.73 | ±0.381 | 7.98 | ±0.381 | 18.67 | 4.75 | +0.508,-0.127 | |
| NT | mm | 214.5 | 212.98~215.01 | 4.75 | 4.63~4.87 | 15.47 | ±0.381 | 8.46 | ±0.381 | 18.67 | 4.75 | +0.508,-0.127 | |
| NT | mm | 226.44 | 224.92~226.94 | 4.75 | 4.63~4.87 | 16.31 | ±0.381 | 8.89 | ±0.381 | 18.67 | 4.75 | +0.508,-0.127 | |
| NT | mm | 238.38 | 236.86~238.88 | 4.75 | 4.63~4.87 | 17.15 | ±0.381 | 9.32 | ±0.381 | 18.67 | 4.75 | +0.508,-0.127 | |
| NT | inch | 0.925 | 0.915~0.930 | 0.042 | 0.040~0.044 | 0.116 | ±0.005 | 0.065 | ±0.005 | 0.167 | 0.078 | +0.015,-0.002 | |
| NT | inch | 0.946 | 0.936~0.951 | 0.042 | 0.040~0.044 | 0.118 | ±0.005 | 0.066 | ±0.005 | 0.168 | 0.078 | +0.015,-0.002 | |
| NT | inch | 0.982 | 0.967~0.992 | 0.05 | 0.048~0.052 | 0.122 | ±0.006 | 0.069 | ±0.006 | 0.181 | 0.078 | +0.015,-0.002 | |
| NT | inch | 1.041 | 1.026~1.051 | 0.05 | 0.048~0.052 | 0.128 | ±0.006 | 0.071 | ±0.006 | 0.182 | 0.078 | +0.015,-0.002 | |
| NT | inch | 1.098 | 1.083~1.108 | 0.05 | 0.048~0.052 | 0.132 | ±0.006 | 0.072 | ±0.006 | 0.198 | 0.078 | +0.015,-0.002 | |
| NT | inch | 1.156 | 1.141~1.166 | 0.05 | 0.048~0.052 | 0.14 | ±0.006 | 0.076 | ±0.006 | 0.183 | 0.078 | +0.015,-0.002 | |
| NT | inch | 1.214 | 1.199~1.224 | 0.05 | 0.048~0.052 | 0.146 | ±0.006 | 0.077 | ±0.006 | 0.183 | 0.078 | +0.015,-0.002 | |
| NT | inch | 1.272 | 1.257~1.282 | 0.05 | 0.048~0.052 | 0.152 | ±0.006 | 0.082 | ±0.006 | 0.184 | 0.078 | +0.015,-0.002 | |