keepcalculator

06 Numbers and Powers

Most Used Power Tool? The Answer May Surprise You

Card No. 06·16466 · Updated · Standard formula, shown below

Average pace 6.00 min/km
Average speed
10.00 km/h
Result
Total time
30 min
You entered
Distance
5 km
You entered
You enter
Total time, Distance
You get
Average pace, Average speed
Rounding
2 dp

The power tool most people use most often is the cordless drill/driver. It handles drilling holes, driving screws, and countless other tasks, making it the first tool reached for in most DIY and professional jobs. This article explains why the drill/driver earns that title, how to choose one, and how to use it safely and effectively.

Why the Drill/Driver Dominates

The drill/driver is the Swiss Army knife of power tools. Its primary functions—drilling holes and driving screws—are needed in almost every project, from hanging a picture frame to building a deck. Unlike specialized tools like a circular saw or an angle grinder, the drill/driver is versatile enough for everyday tasks. It’s also compact, relatively lightweight, and battery-powered, so it’s ready to go wherever you are. In surveys and sales data, cordless drill/drivers consistently outsell every other power tool, and they are the first power tool most people buy.

How a Drill/Driver Works

A drill/driver uses an electric motor to rotate a chuck, which holds a bit. The motor’s speed is controlled by a trigger, and most models have a variable-speed switch that lets you start slow for precision and speed up for larger holes. The chuck is keyless on most modern models, so you can change bits by hand without a key. The key feature that makes it a “driver� is the clutch, a torque-limiting ring near the chuck. When the clutch is set to a low number, it slips once a certain resistance is reached, preventing the screw from being overdriven or the screw head from stripping. Setting it to a higher number gives more torque for driving larger fasteners.

How to Choose the Right Drill/Driver

When you’re in the market for a drill/driver, consider these factors:

  • Voltage: Higher voltage (e.g., 18V or 20V) means more power, but also more weight. For occasional home use, 12V is often enough; for frequent or heavy work, go with 18V or 20V.
  • Chuck size: A 3/8-inch chuck is standard for light-duty, while a 1/2-inch chuck can accept larger bits and is more common on 18V models.
  • Battery platform: If you plan to buy other cordless tools, choose a brand that shares the same battery system, so you can swap batteries between tools.
  • Brushless vs. brushed motor: Brushless motors are more efficient, longer-lasting, and provide more torque, but they cost more. For occasional use, a brushed motor is fine.
  • Ergonomics: Look for a comfortable grip, a balanced weight, and an LED light to illuminate dark work areas.

Common Mistakes and How to Avoid Them

One of the most common mistakes is using the drill/driver as a hammer or pry bar—it’s not designed for that and will damage the tool. Another is forgetting to set the clutch when driving screws; without it, you’ll strip screws or break bits. Also, many people use a high speed for driving screws, which causes the bit to cam out and strip the head. Always start slow and increase speed as needed. Finally, don’t ignore the battery: if you’re drilling many holes, keep a second battery charged to avoid downtime.

Drill/Driver vs. Impact Driver

Many people confuse a drill/driver with an impact driver. An impact driver is a different tool that delivers high torque in rapid bursts, making it ideal for driving long screws or lag bolts. It uses a hex chuck that accepts only hex-shank bits, and it’s not meant for drilling holes. The drill/driver, on the other hand, can drill and drive, but it lacks the sheer torque of an impact driver for tough fastening jobs. For most general-purpose work, a drill/driver is the better all-rounder. If you find yourself driving a lot of long screws, consider adding an impact driver to your arsenal.

Safety and Maintenance

Safety should always be your first priority. Always wear safety glasses to protect your eyes from flying debris. Keep your hands away from the chuck and bit while the tool is running. Use the correct bit for the screw type (e.g., Phillips, Torx) to prevent cam-out. When drilling into walls, use a stud finder to avoid hitting electrical wires or pipes. For maintenance, keep the tool clean and dry, and occasionally blow out dust from the motor vents. Lubricate the chuck if it becomes stiff, and replace worn bits promptly. Also, follow the manufacturer’s instructions for charging and storing batteries—don’t expose them to extreme heat or cold.

Cost and Value

The price of a cordless drill/driver varies widely. Basic 12V models can be found for under $50, while professional 18V brushless kits with two batteries and a charger can cost $200 or more. For most homeowners, a mid-range 18V model in the $100–$150 range offers the best balance of performance and value. Remember that the battery and charger are a significant part of the cost, so if you already own a battery platform, buying a bare tool (without battery) can save money.

Alternatives to the Drill/Driver

While the drill/driver is the most used, there are situations where another tool might be better. For heavy drilling into masonry or concrete, a hammer drill (or a rotary hammer) is necessary. For driving hundreds of screws in drywall, a drywall screw gun has a depth adjustment that makes the job faster. For precision drilling in tight spaces, a right-angle drill attachment can help. But for the vast majority of tasks, the drill/driver remains the go-to tool.

Frequently Asked Questions

Q: What is the difference between a drill and a driver?
A: A drill is designed for drilling holes, while a driver is designed for driving screws. A drill/driver combines both functions, with a clutch that allows you to adjust torque for driving screws without stripping them.

Q: Can I use a drill/driver to mix paint?
A: Yes, you can, but it’s not ideal. Mixing paint requires low speed and high torque, which can strain the motor. Use a paddle mixer attachment and keep the speed low to avoid overheating the tool.

Q: How do I remove a broken screw?
A: Use a screw extractor kit. Drill a small pilot hole into the broken screw, then insert the extractor and turn counterclockwise. If the screw is stripped, you can also try using a rubber band between the bit and the screw head for extra grip.

Q: What size drill bit should I use for a screw?
A: For most screws, you should drill a pilot hole that is slightly smaller than the screw’s core diameter. A general rule is to use a bit that is the same size as the screw’s shank (the smooth part below the head) for softwood, and slightly smaller for hardwood.

Q: Is it worth buying a brushless drill?
A: If you use the drill frequently or for heavy jobs, yes. Brushless motors are more efficient, produce more torque, and last longer. For occasional light use, a brushed motor is sufficient and cheaper.

Q: How do I know when to replace the battery?
A: If the battery no longer holds a charge or the drill runs with noticeably less power even when fully charged, it’s time to replace it. Most lithium-ion batteries last 2-3 years with regular use.

Related

Formula used
in t | Total time | min | 30 | 0
in d | Distance | km | 5 | 0 | 100000
out pace | Average pace | min/km | t / d | 2
out speed | Average speed | km/h | d / (t / 60) | 2

Each line is one input (in, sel, list) or one result (out: label, unit, formula, decimals). How the calculators work

Method: the standard formula for this calculation, rounded as each result states. See how the calculators work or report an error.

More cards in this drawer

The whole Numbers and Powers drawer →