View source for Step Drill and ConeCut

[[File:StepDrillConeCut.png|200px|right]]
The '''Step Drill''' and '''ConeCut&#169;''' are both used to drill or enlarge holes in thin sheet materials, including: sheet steel, non-ferrous metals, plastics, Formica and plywood. They are made from [https://en.wikipedia.org/wiki/High-speed_steel '''HSS'''] and capable of making holes of any* diameter within their size range - usually 3mm to 60mm diameter ''(*Step Drills are restricted to their step sizes but a ConeCut can produce infinitely variable sizes of hole)''.


They can be useful to [https://en.wikipedia.org/wiki/Electrician '''Electricians'''] for example, when boring holes into trunking or cabinets to locate fixings and components. 

[[Category:Drilling and Boring]]