规格
| 螺纹形式 | Unified National |
| 螺纹直径 | 0.50 inch / 12.70 mm |
| Thread Class | 2B |
| 螺栓间距 | 20.00 threads Per Inch |
| 高度 | 15.75 inch / 400.00 mm |
| Applicable Region | North America |
| 螺纹形式 | Unified National |
| 螺纹直径 | 0.50 inch / 12.70 mm |
| Thread Class | 2B |
| 螺栓间距 | 20.00 threads Per Inch |
| 高度 | 15.75 inch / 400.00 mm |
| Applicable Region | North America |
