| 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 | 最小 | 值 | 值 |
| STW | mm | 17.6 | 17.35~17.75 | 1.1 | 1.04~1.16 | 2.35 | 1.3 | 3.45 | 1.3 | |
| STW | mm | 18.35 | 18.1~18.5 | 1.1 | 1.04~1.16 | 2.4 | 1.35 | 3.45 | 1.3 | |
| STW | mm | 19.4 | 19.15~19.55 | 1.1 | 1.04~1.16 | 2.5 | 1.4 | 3.45 | 1.3 | |
| STW | mm | 20.3 | 20.05~20.45 | 1.1 | 1.04~1.16 | 2.7 | 1.5 | 3.45 | 1.3 | |
| STW | mm | 21.25 | 21~21.4 | 1.1 | 1.04~1.16 | 2.8 | 1.6 | 3.45 | 1.3 | |
| STW | mm | 22.2 | 21.95~22.35 | 1.1 | 1.04~1.16 | 2.9 | 1.6 | 4.2 | 1.9 | |
| STW | mm | 23.1 | 22.85~23.25 | 1.1 | 1.04~1.16 | 2.9 | 1.7 | 4.2 | 1.9 | |
| STW | mm | 24.05 | 23.8~24.2 | 1.1 | 1.04~1.16 | 3 | 1.7 | 4.2 | 1.9 | |
| STW | mm | 24.95 | 24.55~25.2 | 1.3 | 1.24~1.36 | 3.1 | 1.8 | 4.6 | 1.9 | |
| STW | mm | 25.8 | 25.4~26.05 | 1.3 | 1.24~1.36 | 3.2 | 1.8 | 4.6 | 1.9 | |
| STW | mm | 27.9 | 27.5~28.15 | 1.3 | 1.24~1.36 | 3.3 | 1.8 | 4.6 | 1.9 | |
| STW | mm | 29.6 | 29.2~29.85 | 1.3 | 1.24~1.36 | 3.6 | 1.9 | 4.6 | 1.9 | |
| STW | mm | 31.4 | 31~31.65 | 1.3 | 1.24~1.36 | 3.8 | 2 | 4.6 | 1.9 | |
| STW | mm | 32.3 | 31.9~32.55 | 1.3 | 1.24~1.36 | 3.9 | 2.1 | 4.6 | 1.9 | |
| STW | mm | 33.25 | 32.85~33.5 | 1.3 | 1.24~1.36 | 4.1 | 2.2 | 5.4 | 1.9 | |