When you need to drill dozens or even hundreds of holes, use a bit with replaceable carbide inserts. Once the cutting edges wear down, just change the inserts instead of sharpening or throwing the bit away. The holes in the bit channel coolant through the tool for more efficient chip evacuation. Also known as indexable drill bits.

Each drill bit requires two inserts—one on the inner cutting edge and one on the outer cutting edge. Replacement inserts are sold separately.

With a powerful motor, this drill has the strength for big drilling and mixing applications. Its top handle provides additional leverage and stability, and a rear D-handle makes it easy to carry.

A traditional pistol-grip shape makes these drills suitable for a variety of drilling applications. They have a variable speed motor—the further you depress the trigger, the faster the drill rotates.