| 摘要 |
The drill positioner with sight consist of a piece formed by the drill-fixing tool with sight tool, which contains drills (2)-(5), threads (7), sights (9) and sawdust evacuation channels (8)-(11), and auxiliary pieces like guide bushings (3) and board fixation screws (12). The drill positioner with sight fixes the guide bushings (3) in a very stable way to achieve an accurate drilling process in any part of the board. |
