| 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 | inch | 4.927 | 4.887~4.947 | 0.125 | 0.121~0.129 | 0.435 | ±0.010 | 0.211 | ±0.010 | 0.435 | 0.156 | +0.020,-0.005 | |
| NT | inch | 5.162 | 5.122~5.182 | 0.125 | 0.121~0.129 | 0.39 | ±0.010 | 0.209 | ±0.010 | 0.497 | 0.156 | +0.020,-0.005 | |
| NT | inch | 5.396 | 5.356~5.416 | 0.125 | 0.121~0.129 | 0.435 | ±0.010 | 0.22 | ±0.010 | 0.518 | 0.156 | +0.020,-0.005 | |
| NT | inch | 5.631 | 5.591~5.651 | 0.125 | 0.121~0.129 | 0.435 | ±0.010 | 0.171 | ±0.010 | 0.54 | 0.156 | +0.020,-0.005 | |
| NT | inch | 5.866 | 5.816~5.886 | 0.156 | 0.151~0.161 | 0.485 | ±0.015 | 0.176 | ±0.015 | 0.561 | 0.156 | +0.020,-0.005 | |
| NT | inch | 6.1 | 6.050~6.120 | 0.156 | 0.151~0.161 | 0.485 | ±0.015 | 0.236 | ±0.015 | 0.586 | 0.156 | +0.020,-0.005 | |
| NT | inch | 6.335 | 6.285~6.355 | 0.156 | 0.151~0.161 | 0.515 | ±0.015 | 0.246 | ±0.015 | 0.608 | 0.187 | +0.020,-0.005 | |
| NT | inch | 6.57 | 6.520~6.590 | 0.156 | 0.151~0.161 | 0.515 | ±0.015 | 0.256 | ±0.015 | 0.53 | 0.187 | +0.020,-0.005 | |
| NT | inch | 7.039 | 6.979~7.059 | 0.187 | 0.182~0.192 | 0.545 | ±0.015 | 0.277 | ±0.015 | 0.676 | 0.187 | +0.020,-0.005 | |
| NT | inch | 7.508 | 7.448~7.528 | 0.187 | 0.182~0.192 | 0.56 | ±0.015 | 0.294 | ±0.015 | 0.735 | 0.187 | +0.020,-0.005 | |
| NT | inch | 7.977 | 7.917~7.997 | 0.187 | 0.182~0.192 | 0.58 | ±0.015 | 0.314 | ±0.015 | 0.735 | 0.187 | +0.020,-0.005 | |
| NT | inch | 8.445 | 8.385~8.465 | 0.187 | 0.182~0.192 | 0.609 | ±0.015 | 0.333 | ±0.015 | 0.735 | 0.187 | +0.020,-0.005 | |
| NT | inch | 8.915 | 8.855~8.935 | 0.187 | 0.182~0.192 | 0.642 | ±0.015 | 0.35 | ±0.015 | 0.735 | 0.187 | +0.020,-0.005 | |
| NT | inch | 9.385 | 9.325~9.405 | 0.187 | 0.182~0.192 | 0.675 | ±0.015 | 0.367 | ±0.015 | 0.735 | 0.187 | +0.020,-0.005 | |