| 扣環 | 截面 | 孔徑 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 項目 | 標準牌號 | 單位 | 外徑 | 公差 | 內徑 | 厚度 | 公差 | 最大 | 值 | 公差 |
| IRTW | mm | 11.1 | 10.92~11.28 | 7.7 | 1 | 0.95~1.05 | 1.7 | 0.9 | ±0.3 | |
| IRTW | mm | 12.2 | 12.02~12.38 | 8.6 | 1 | 0.95~1.05 | 1.8 | 0.9 | ±0.3 | |
| IRTW | mm | 13.3 | 13.12~13.48 | 9.7 | 1 | 0.95~1.05 | 1.8 | 0.9 | ±0.3 | |
| IRTW | mm | 14.1 | 13.92~14.28 | 10.9 | 1 | 0.95~1.05 | 1.6 | 0.9 | ±0.3 | |
| IRTW | mm | 15.1 | 14.92~15.28 | 11.7 | 1 | 0.95~1.05 | 1.7 | 0.9 | ±0.3 | |
| IRTW | mm | 16.2 | 16.02~16.38 | 12.6 | 1 | 0.95~1.05 | 1.8 | 0.9 | ±0.3 | |
| IRTW | mm | 17.3 | 17.12~17.48 | 13.5 | 1 | 0.95~1.05 | 1.9 | 0.9 | ±0.3 | |
| IRTW | mm | 18.3 | 18.1~18.5 | 14.3 | 1 | 0.95~1.05 | 2 | 0.9 | ±0.3 | |
| IRTW | mm | 19.5 | 19.3~19.7 | 15.3 | 1 | 0.95~1.05 | 2.1 | 1 | ±0.3 | |
| IRTW | mm | 20.5 | 20.3~20.7 | 16.1 | 1 | 0.95~1.05 | 2.2 | 1 | ±0.3 | |
| IRTW | mm | 21.5 | 21.3~21.7 | 16.9 | 1 | 0.95~1.05 | 2.3 | 1 | ±0.3 | |
| IRTW | mm | 22.5 | 22.3~22.7 | 17.7 | 1 | 0.95~1.05 | 2.4 | 1.2 | ±0.4 | |
| IRTW | mm | 23.5 | 23.3~23.7 | 18.7 | 1 | 0.95~1.05 | 2.4 | 1.2 | ±0.4 | |
| IRTW | mm | 25.9 | 25.7~26.1 | 20.7 | 1.2 | 1.14~1.26 | 2.6 | 1.2 | ±0.4 | |
| IRTW | mm | 26.9 | 26.7~27.1 | 21.5 | 1.2 | 1.14~1.26 | 2.7 | 1.2 | ±0.4 | |
