| 扣環 | |||||
|---|---|---|---|---|---|
| 項目 | 標準牌號 | 單位 | 外徑 | 內徑 | 厚度 |
| BETW | mm | 4 | 1.5 | 0.4 | |
| BETW | mm | 5 | 2 | 0.4 | |
| BETW | mm | 6 | 2.5 | 0.4 | |
| BETW | mm | 7 | 3 | 0.6 | |
| BETW | mm | 9 | 4 | 0.6 | |
| BETW | mm | 11 | 5 | 0.6 | |
| BETW | mm | 12 | 6 | 0.8 | |
| BETW | mm | 14 | 7 | 0.8 | |
| BETW | mm | 16 | 8 | 0.8 | |
| BETW | mm | 18 | 9 | 0.8 | |
| BETW | mm | 20 | 10 | 1 | |
| BETW | mm | 23 | 12 | 1 | |
| BETW | mm | 29 | 15 | 1.5 | |
| BETW | inch | 0.157 | 0.059 | 0.016 | |
| BETW | inch | 0.197 | 0.079 | 0.016 | |