Bormax® 2.0 WS prima with replaceable center drill or guide mandrel, such as two main cutting edges with offset grooves and the toothed spurs with longitudinal grooves require significantly less feed force and minimize friction and the resulting heat development. A suitable center drill and an Allen key are included in the scope of delivery , hexagonal shank for better power transmission, in connection with the pre-drills or pilot pins 1471 1619 ideally suited for inclined drilling, clean drilling in all softwood, European hardwood, chipboard and MDF