| 扣環 | 截面 | 掛耳 | 孔徑 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 項目 | 標準牌號 | 單位 | 外徑 | 公差 | 厚度 | 公差 | 最大 | 值 | 值 |
| RTW | mm | 6.7 | 6.52~6.88 | 0.4 | 0.37~0.43 | 0.7 | 1.6 | 0.8 | |
| RTW | mm | 7.7 | 7.52~7.88 | 0.4 | 0.37~0.43 | 0.8 | 1.7 | 0.8 | |
| RTW | mm | 8.8 | 8.62~8.98 | 0.4 | 0.37~0.43 | 0.9 | 1.7 | 0.8 | |
| RTW | mm | 9.8 | 9.62~9.98 | 0.6 | 0.56~0.64 | 1.1 | 2.2 | 0.8 | |
| RTW | mm | 10.7 | 10.52~10.88 | 1 | 0.95~1.05 | 1.5 | 2.8 | 1.2 | |
| RTW | mm | 11.8 | 11.62~11.98 | 1 | 0.95~1.05 | 1.5 | 3 | 1.2 | |
| RTW | mm | 13 | 12.82~13.18 | 1 | 0.95~1.05 | 1.7 | 3.1 | 1.5 | |
| RTW | mm | 14.1 | 13.92~14.28 | 1 | 0.95~1.05 | 1.7 | 3.1 | 1.5 | |
| RTW | mm | 15.1 | 14.92~15.28 | 1 | 0.95~1.05 | 1.9 | 3.6 | 1.7 | |
| RTW | mm | 16.2 | 16.02~16.38 | 1 | 0.95~1.05 | 1.9 | 3.6 | 1.7 | |
| RTW | mm | 17.3 | 17.12~17.48 | 1 | 0.95~1.05 | 1.9 | 3.7 | 1.7 | |
| RTW | mm | 18.3 | 18.1~18.5 | 1 | 0.95~1.05 | 1.9 | 3.8 | 1.7 | |
| RTW | mm | 19.5 | 19.3~19.7 | 1 | 0.95~1.05 | 2.4 | 4 | 1.7 | |
| RTW | mm | 20.5 | 20.3~20.7 | 1 | 0.95~1.05 | 2.5 | 4 | 2 | |
| RTW | mm | 21.5 | 21.3~21.7 | 1 | 0.95~1.05 | 2.5 | 4 | 2 | |