| 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 | 值 | 值 |
| STW | inch | 12.717 | 12.638~12.751 | 0.236 | 0.231~0.236 | 0.787 | 0.795 | 0.236 | |
| STW | inch | 12.913 | 12.835~12.948 | 0.236 | 0.231~0.236 | 0.787 | 0.795 | 0.236 | |
| STW | inch | 13.11 | 13.032~13.145 | 0.236 | 0.231~0.236 | 0.787 | 0.795 | 0.236 | |
| STW | inch | 13.307 | 13.229~13.342 | 0.236 | 0.231~0.236 | 0.787 | 0.795 | 0.236 | |
| STW | inch | 13.504 | 13.426~13.539 | 0.236 | 0.231~0.236 | 0.787 | 0.795 | 0.236 | |
| STW | inch | 13.701 | 13.623~13.736 | 0.236 | 0.231~0.236 | 0.787 | 0.795 | 0.236 | |
| STW | inch | 13.898 | 13.819~13.933 | 0.236 | 0.231~0.236 | 0.787 | 0.795 | 0.236 | |
| STW | inch | 14.094 | 14.016~14.129 | 0.236 | 0.231~0.236 | 0.787 | 0.795 | 0.236 | |
| STW | inch | 14.291 | 14.213~14.326 | 0.236 | 0.231~0.236 | 0.787 | 0.795 | 0.236 | |
| STW | inch | 14.488 | 14.410~14.523 | 0.236 | 0.231~0.236 | 0.787 | 0.795 | 0.236 | |
| STW | inch | 14.685 | 14.607~14.720 | 0.236 | 0.231~0.236 | 0.787 | 0.795 | 0.236 | |
| STW | inch | 14.882 | 14.804~14.917 | 0.236 | 0.231~0.236 | 0.787 | 0.795 | 0.236 | |
| STW | inch | 15.079 | 15.000~15.114 | 0.236 | 0.231~0.236 | 0.787 | 0.795 | 0.236 | |