| 摘要 |
<p>1. Drilling attachment that can be attached to a hammer drill or a percussion drilling machine (3) and is intended for producing drilled holes (10) having an undercut (8), comprising a drill (7) with a drilling head (9) having lateral cutting edges that project radially from the drill shaft, a stop part (4) in the region of the drill shaft, which stop part is supported, to form a swivel bearing, on a stop plate (11) mounted over the drill shaft, and a drill bell (2) that can be connected to the stop plate and has a radially projecting suction nozzle (1) designed as a handle, characterised in that between the drill bell (2) and the housing of the drilling machine (3) there is a connection (15, 16) that permits swivelling and axial displacement of the drilling machine (3).</p> |
