Constructed from one solid piece of heavy-duty metal, DEWALT IMPACT READY(R) Titanium Drill Bits are up to 5 times more durable than 2-piece conventional bits. A patented web taper helps to increase bit strength, and a patented Pilot Point(R) Tip delivers speed and clear, burr-free holes with helps to reduced bit walking. Ideal for metal, wood, and plastic. | DEWALT 5-Piece Impact Ready Titanium Drill Bit Set DD5155