For use in industrial power tools' class='desclinks'>tools for the rapid drilling of clean holes in thin materials including sheet steel up to 2mm thick, alloys and plastic.
The conical shape of the tool enables any size of hole to be drilled between the bottom and the top of the taper.
When drilling metals always use a coolant.

Size Range 25- 40mm.
To fit Chuck 3/8in/10mm.