Bosch Titanium Step Drill - 1/2 inch 6 step Drill
Titanium for reduced heat and longer life. Drills through steel, Cast iron, Stainless steel, Aluminium, Brass, Copper, Plexiglass, PVC, Plastic, Wood and wood composites. Automatically Deburrs holes.
6 Step sizes starts at 3/16 inch and steps through only and all of the standard plug sizes up to and including 1/2 inch.