| 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 | 270.46 | 268.18~272.74 | 4.75 | 4.63~4.87 | 16.71 | ±0.254 | 7.85 | ±0.254 | 18.67 | 4.75 | +0.508,-0.127 | |
| MT | mm | 277.37 | 275.09~279.65 | 4.75 | 4.63~4.87 | 17.15 | ±0.254 | 8 | ±0.254 | 18.67 | 4.75 | +0.508,-0.127 | |
| MT | inch | 1.111 | 1.101~1.126 | 0.042 | 0.040~0.044 | 0.104 | ±0.005 | 0.052 | ±0.005 | 0.155 | 0.062 | +0.010,-0.002 | |
| MT | inch | 1.136 | 1.126~1.151 | 0.042 | 0.040~0.044 | 0.106 | ±0.005 | 0.054 | ±0.005 | 0.155 | 0.062 | +0.010,-0.002 | |
| MT | inch | 1.18 | 1.160~1.205 | 0.05 | 0.048~0.052 | 0.11 | ±0.006 | 0.055 | ±0.006 | 0.18 | 0.078 | +0.015,-0.002 | |
| MT | inch | 1.249 | 1.229~1.274 | 0.05 | 0.048~0.052 | 0.116 | ±0.006 | 0.057 | ±0.006 | 0.18 | 0.078 | +0.015,-0.002 | |
| MT | inch | 1.319 | 1.299~1.344 | 0.05 | 0.048~0.052 | 0.12 | ±0.006 | 0.058 | ±0.006 | 0.18 | 0.078 | +0.015,-0.002 | |
| MT | inch | 1.388 | 1.368~1.413 | 0.05 | 0.048~0.052 | 0.124 | ±0.006 | 0.062 | ±0.006 | 0.18 | 0.078 | +0.015,-0.002 | |
| MT | inch | 1.456 | 1.436~1.481 | 0.05 | 0.048~0.052 | 0.13 | ±0.006 | 0.062 | ±0.006 | 0.18 | 0.078 | +0.015,-0.002 | |
| MT | inch | 1.526 | 1.506~1.551 | 0.05 | 0.048~0.052 | 0.13 | ±0.006 | 0.063 | ±0.006 | 0.18 | 0.078 | +0.015,-0.002 | |
| MT | inch | 1.596 | 1.576~1.621 | 0.05 | 0.048~0.052 | 0.133 | ±0.006 | 0.065 | ±0.006 | 0.18 | 0.078 | +0.015,-0.002 | |
| MT | inch | 1.616 | 1.596~1.641 | 0.05 | 0.048~0.052 | 0.133 | ±0.006 | 0.065 | ±0.006 | 0.18 | 0.078 | +0.015,-0.002 | |
| MT | inch | 1.66 | 1.640~1.685 | 0.05 | 0.048~0.052 | 0.133 | ±0.006 | 0.066 | ±0.006 | 0.18 | 0.078 | +0.015,-0.002 | |
| MT | inch | 1.734 | 1.709~1.769 | 0.062 | 0.059~0.065 | 0.157 | ±0.007 | 0.078 | ±0.007 | 0.202 | 0.078 | +0.015,-0.002 | |
| MT | inch | 1.804 | 1.779~1.839 | 0.062 | 0.059~0.065 | 0.164 | ±0.007 | 0.082 | ±0.007 | 0.23 | 0.078 | +0.015,-0.002 | |