With the Warrior Titanium Step Drill Bit Set from Harbor Freight, available for $14, you can drill 28 differently-sized holes using only the three included bits. Each bit features a stepped design ...

The 21-piece DeWalt Black and Gold Twist Drill Bit Set, for example, is ranked 4.5 out of 5 stars, with 4,367 reviews. "I have been using Dewalt bits for a few years now and am always impressed ...