A drill without a bit is like a dog without teeth. Avoid that sorry state by acquiring a collection of bits, so you have one to chuck into your handheld drill or drillpress for every job at hand.
Many woodworkers begin their collection with a set of twist or brad-point bits in a range of sizes. The central spur on brad-point bits prevents them from wandering, producing accurate results that are ideal for fine woodworking. Twist bits suit many applications, from carpentry to building decks. As you get into cabinetmaking, you may acquire a set of Forstner bits to produce clean, crisp holes, or a set of sawtooth bits for larger, coarser drilling. Spade bits are useful for rough carpentry.
If you need something larger than a spade bit, go for a hole saw. For an even larger hole than that, look for a wheelcutter (a.k.a. adjustable circle cutter). And-more common in construction-there are augers for drilling deep holes.
Also important is a countersink bit that you'll select when you want to hide screw heads under wooden plugs.
Finally, for drilling metal, plastic, concrete or brick, there are bits designed for those purposes as well.
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90° drivers are a useful drill accessory. They allow you to drill at an angle and reach around corners. You'll be glad to have one when you're halfway through assembling a piece of furniture and realize you need to bore inside a carcass that's too small to fit the whole drill into.
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