| 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 |
| STW | inch | 0.395 | 0.390~0.397 | 0.025 | 0.023~0.027 | 0.055 | ±0.003 | 0.033 | ±0.003 | 0.088 | 0.041 | +0.010,-0.002 | |
| STW | inch | 0.428 | 0.423~0.430 | 0.025 | 0.023~0.027 | 0.06 | ±0.003 | 0.035 | ±0.003 | 0.088 | 0.041 | +0.010,-0.002 | |
| STW | inch | 0.461 | 0.456~0.463 | 0.035 | 0.033~0.037 | 0.065 | ±0.004 | 0.04 | ±0.004 | 0.108 | 0.047 | +0.010,-0.002 | |
| STW | inch | 0.509 | 0.499~0.514 | 0.035 | 0.033~0.037 | 0.053 | ±0.004 | 0.036 | ±0.004 | 0.108 | 0.047 | +0.010,-0.002 | |
| STW | inch | 0.521 | 0.511~0.526 | 0.035 | 0.033~0.037 | 0.072 | ±0.004 | 0.041 | ±0.004 | 0.108 | 0.047 | +0.010,-0.002 | |
| STW | inch | 0.55 | 0.540~0.555 | 0.035 | 0.033~0.037 | 0.076 | ±0.004 | 0.043 | ±0.004 | 0.109 | 0.047 | +0.010,-0.002 | |
| STW | inch | 0.579 | 0.569~0.584 | 0.035 | 0.033~0.037 | 0.08 | ±0.004 | 0.045 | ±0.004 | 0.11 | 0.047 | +0.010,-0.002 | |
| STW | inch | 0.621 | 0.611~0.626 | 0.035 | 0.033~0.037 | 0.082 | ±0.004 | 0.043 | ±0.004 | 0.11 | 0.047 | +0.010,-0.002 | |
| STW | inch | 0.635 | 0.625~0.640 | 0.042 | 0.040~0.044 | 0.084 | ±0.005 | 0.048 | ±0.005 | 0.136 | 0.052 | +0.010,-0.002 | |
| STW | inch | 0.693 | 0.683~0.698 | 0.042 | 0.040~0.044 | 0.092 | ±0.005 | 0.051 | ±0.005 | 0.136 | 0.052 | +0.010,-0.002 | |
| STW | inch | 0.722 | 0.712~0.727 | 0.042 | 0.040~0.044 | 0.094 | ±0.005 | 0.052 | ±0.005 | 0.136 | 0.052 | +0.010,-0.002 | |
| STW | inch | 0.751 | 0.741~0.756 | 0.042 | 0.040~0.044 | 0.096 | ±0.005 | 0.054 | ±0.005 | 0.136 | 0.052 | +0.010,-0.002 | |
| STW | inch | 0.81 | 0.800~0.815 | 0.042 | 0.040~0.044 | 0.104 | ±0.005 | 0.057 | ±0.005 | 0.137 | 0.052 | +0.010,-0.002 | |
| STW | inch | 0.867 | 0.857~0.872 | 0.042 | 0.040~0.044 | 0.11 | ±0.005 | 0.063 | ±0.005 | 0.166 | 0.078 | +0.015,-0.002 | |
| STW | inch | 0.91 | 0.900~0.915 | 0.042 | 0.040~0.044 | 0.114 | ±0.005 | 0.065 | ±0.005 | 0.167 | 0.078 | +0.015,-0.002 | |