擋圈型鋼
| 型號 | 止口直徑(工作狀態) | 開口尺寸(工作狀態) | 槽口尺寸 | 長孔/缺口尺寸 | 圓度 | 平面度 |
| 5.50F-16 | Ф395.6 | 5±2 | 22 | 22x9 | ≤1.2 | ≤1.0 |
| 6.00G-16 | Ф398.2 | 5+4-3 | 26 | 無 | ≤1.2 | ≤1.0 |
| 6.5-16 | Ф395.3 | 5±2 | 26 | 26x11 | ≤1.2 | ≤1.0 |
| 6.5-20 | Ф504 | 5+4-3 | 26 | 26x11 | ≤1.2 | ≤1.0 |
| 7.00T-20 | Ф506.4 | 5+4-3 | 30+3-1.5 | 32+3-1.5 | ≤1.2 | ≤1.0 |
| 7.50V-20 | Ф506.4 | 5+7-3 | 30+3-1.5 | 32+3-1.5 | ≤1.2 | ≤1.0 |
| 8.5A-20 | Ф506 | 5+7-3 | 27 | 27x13 | ≤1.2 | ≤1.0 |
| 8.5B-20 | Ф506 | 5+7-3 | 27 | 27x13 | ≤1.2 | ≤1.0 |
