Head serves for accurate drilling of larger holes in any workpiece the shape of which or position of holes prevent lathe turning. Head with outer ø 75 mm and MT4 arbor is fitted with a slide with a micrometer travel screw. Blades (ø 20 mm) can be chucked in parallel or perpendicularly to the axis, min. drilled ø 10 mm, max. drilled ø 220 mm and depends on the material and tool used. Comes complete with head, 5 carbide tipped blades of various length and Allen keys.