| 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 | 4.024 | 3.969~4.079 | 0.109 | 0.106~0.112 | 0.299 | ±0.008 | 0.15 | ±0.008 | 0.342 | 0.125 | +0.015,-0.002 | |
| MT | inch | 4.157 | 4.092~4.222 | 0.109 | 0.106~0.112 | 0.309 | ±0.008 | 0.155 | ±0.008 | 0.342 | 0.125 | +0.015,-0.002 | |
| MT | inch | 4.291 | 4.226~4.356 | 0.109 | 0.106~0.112 | 0.319 | ±0.008 | 0.16 | ±0.008 | 0.37 | 0.125 | +0.015,-0.002 | |
| MT | inch | 4.358 | 4.293~4.423 | 0.109 | 0.106~0.112 | 0.324 | ±0.008 | 0.161 | ±0.008 | 0.37 | 0.125 | +0.015,-0.002 | |
| MT | inch | 4.424 | 4.359~4.489 | 0.109 | 0.106~0.112 | 0.33 | ±0.008 | 0.166 | ±0.008 | 0.37 | 0.125 | +0.015,-0.002 | |
| MT | inch | 4.558 | 4.493~4.623 | 0.109 | 0.106~0.112 | 0.33 | ±0.009 | 0.171 | ±0.009 | 0.37 | 0.125 | +0.015,-0.002 | |
| MT | inch | 4.691 | 4.626~4.756 | 0.109 | 0.106~0.112 | 0.335 | ±0.009 | 0.18 | ±0.009 | 0.37 | 0.125 | +0.015,-0.002 | |
| MT | inch | 4.756 | 4.691~4.821 | 0.109 | 0.106~0.112 | 0.343 | ±0.009 | 0.18 | ±0.009 | 0.405 | 0.156 | +0.020,-0.005 | |
| MT | inch | 4.94 | 4.875~5.005 | 0.109 | 0.106~0.112 | 0.351 | ±0.009 | 0.181 | ±0.009 | 0.405 | 0.156 | +0.020,-0.005 | |
| MT | inch | 5.076 | 5.011~5.141 | 0.109 | 0.106~0.112 | 0.405 | ±0.009 | 0.183 | ±0.009 | 0.405 | 0.156 | +0.020,-0.005 | |
| MT | inch | 5.213 | 5.148~5.278 | 0.109 | 0.106~0.112 | 0.37 | ±0.009 | 0.183 | ±0.009 | 0.405 | 0.156 | +0.020,-0.005 | |
| MT | inch | 5.485 | 5.420~5.550 | 0.109 | 0.106~0.112 | 0.435 | ±0.009 | 0.186 | ±0.009 | 0.435 | 0.156 | +0.020,-0.005 | |
| MT | inch | 5.77 | 5.705~5.835 | 0.125 | 0.121~0.129 | 0.435 | ±0.009 | 0.198 | ±0.009 | 0.435 | 0.156 | +0.020,-0.005 | |
| MT | inch | 5.91 | 5.845~5.975 | 0.125 | 0.121~0.129 | 0.435 | ±0.009 | 0.198 | ±0.009 | 0.435 | 0.156 | +0.020,-0.005 | |
| MT | inch | 6.066 | 6.001~6.131 | 0.125 | 0.121~0.129 | 0.435 | ±0.009 | 0.198 | ±0.009 | 0.435 | 0.156 | +0.020,-0.005 | |