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 ...

Of course, you can sharpen drill bits without a heavy-duty tool by using a hand file, instead. If you choose this route, make sure you secure the bit in such a way that the point is pointed upward ...

This 91-piece drill and driver set is on sale now for just $25, a whopping 68% discount from its $77 list price. The mixed set comes with a secure case for easy storage and portability.