Bosch x line universal drill sets bosch 2607019675 these x line drill and bit sets from bosch feature a comprehensive set of drills and screwdriver bits in a range of popular sizes hss metal drill din 338 type n right drilling point 118 tolerance h 8 roll rolled spiral with more polished chamfers wood twist drill standard with centre point shoulder cutter and more polished chamfers for exact peel off free boreholes carbide tipped stone twist drill according to din 8039 drilli