| 扣環 | ||||||
|---|---|---|---|---|---|---|
| 項目 | 標準牌號 | 單位 | 內徑 | 公差 | 厚度 | 公差 |
| CRTW | mm | 3.45 | 3.33~3.58 | 0.25 | 0.23~0.27 | |
| CRTW | mm | 4.45 | 4.32~4.57 | 0.25 | 0.23~0.27 | |
| CRTW | mm | 6.02 | 5.90~6.14 | 0.25 | 0.23~0.27 | |
| CRTW | mm | 6.55 | 6.43~6.68 | 0.25 | 0.23~0.27 | |
| CRTW | mm | 6.55 | 6.30~6.80 | 0.25 | 0.23~0.27 | |
| CRTW | mm | 7.92 | 7.68~8.17 | 0.25 | 0.23~0.27 | |
| CRTW | mm | 9.91 | 9.66~10.16 | 0.25 | 0.23~0.27 | |
| CRTW | mm | 9.91 | 9.66~10.16 | 0.25 | 0.23~0.27 | |
| CRTW | mm | 12.7 | 12.45~12.95 | 0.38 | 0.34~0.43 | |
| CRTW | mm | 15.88 | 15.63~16.12 | 0.38 | 0.34~0.43 | |
| CRTW | mm | 17.45 | 17.20~17.70 | 0.38 | 0.34~0.43 | |
| CRTW | mm | 19.05 | 18.80~19.30 | 0.38 | 0.34~0.43 | |
| CRTW | mm | 20.65 | 20.40~20.90 | 0.38 | 0.34~0.43 | |
| CRTW | mm | 23.83 | 23.58~24.07 | 0.38 | 0.34~0.43 | |
| CRTW | mm | 28.37 | 28.12~28.62 | 0.38 | 0.34~0.43 | |