| 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 | inch | 6.336 | 6.271~6.401 | 0.125 | 0.121~0.129 | 0.435 | ±0.009 | 0.198 | ±0.009 | 0.435 | 0.156 | +0.020,-0.005 | |
| MT | inch | 6.62 | 6.555~6.685 | 0.125 | 0.121~0.129 | 0.435 | ±0.009 | 0.198 | ±0.009 | 0.435 | 0.156 | +0.020,-0.005 | |
| MT | inch | 6.895 | 6.815~6.975 | 0.156 | 0.151~0.161 | 0.485 | ±0.009 | 0.211 | ±0.009 | 0.485 | 0.187 | +0.020,-0.005 | |
| MT | inch | 7.17 | 7.090~7.250 | 0.156 | 0.151~0.161 | 0.485 | ±0.009 | 0.219 | ±0.009 | 0.485 | 0.187 | +0.020,-0.005 | |
| MT | inch | 7.308 | 7.228~7.388 | 0.156 | 0.151~0.161 | 0.485 | ±0.009 | 0.221 | ±0.009 | 0.485 | 0.187 | +0.020,-0.005 | |
| MT | inch | 7.445 | 7.365~7.525 | 0.156 | 0.151~0.161 | 0.515 | ±0.009 | 0.224 | ±0.009 | 0.515 | 0.187 | +0.020,-0.005 | |
| MT | inch | 7.72 | 7.640~7.800 | 0.156 | 0.151~0.161 | 0.515 | ±0.009 | 0.232 | ±0.009 | 0.515 | 0.187 | +0.020,-0.005 | |
| MT | inch | 7.995 | 7.905~8.085 | 0.187 | 0.182~0.192 | 0.545 | ±0.010 | 0.238 | ±0.010 | 0.545 | 0.187 | +0.020,-0.005 | |
| MT | inch | 8.27 | 8.180~8.360 | 0.187 | 0.182~0.192 | 0.545 | ±0.010 | 0.247 | ±0.010 | 0.545 | 0.187 | +0.020,-0.005 | |
| MT | inch | 8.545 | 8.455~8.635 | 0.187 | 0.182~0.192 | 0.56 | ±0.010 | 0.255 | ±0.010 | 0.56 | 0.187 | +0.020,-0.005 | |
| MT | inch | 8.82 | 8.730~8.910 | 0.187 | 0.182~0.192 | 0.56 | ±0.010 | 0.262 | ±0.010 | 0.56 | 0.187 | +0.020,-0.005 | |
| MT | inch | 9.095 | 9.005~9.185 | 0.187 | 0.182~0.192 | 0.58 | ±0.010 | 0.27 | ±0.010 | 0.58 | 0.187 | +0.020,-0.005 | |
| MT | inch | 9.285 | 9.195~9.375 | 0.187 | 0.182~0.192 | 0.58 | ±0.010 | 0.277 | ±0.010 | 0.58 | 0.187 | +0.020,-0.005 | |
| MT | inch | 9.558 | 9.468~9.648 | 0.187 | 0.182~0.192 | 0.591 | ±0.010 | 0.286 | ±0.010 | 0.66 | 0.187 | +0.020,-0.005 | |
| MT | inch | 9.83 | 9.740~9.920 | 0.187 | 0.182~0.192 | 0.609 | ±0.010 | 0.294 | ±0.010 | 0.66 | 0.187 | +0.020,-0.005 | |