How to Choose the Right Drill for Your Project (Corded, Cordless, Impact)

Q: Do I need both a drill and an impact driver?

If you do frequent construction or assembly work, yes. They serve different purposes.

Q: Is a corded drill more powerful than a cordless one?

Generally yes, but modern brushless cordless models are closing the gap.

Q: What voltage should I choose for a cordless drill?

12V for light tasks 18V/20V for general use 36V+ for heavy‑duty work

Q: Can I drill into concrete with a regular drill?

Not recommended. Use a hammer drill for masonry.

Choosing the right drill isn’t just about power – it’s about matching the tool to the material, the task, and the working conditions. Whether you’re a DIY beginner or a professional contractor, the right drill can dramatically improve speed, accuracy, and safety.

This guide breaks down the three main types of drills – corded, cordless, and impact – and helps you decide which one is best for your project.

1. Understanding the Three Main Drill Types

Corded Drills

Corded drills plug into a power outlet and deliver consistent, uninterrupted power.

Best for:

Long drilling sessions
Dense materials (metal, hardwood)
Workshop environments
High‑torque applications

Advantages:

Unlimited runtime
Higher torque
Lighter weight (no battery)
Often more affordable

Limitations:

Requires power outlet
Limited mobility
Cable management needed

Cordless Drills

Cordless drills run on rechargeable batteries and are the most versatile option for everyday use.

Best for:

Home projects
Assembly work
Drilling in tight or remote spaces
General repairs

Advantages:

Maximum mobility
Easy to use anywhere
Modern batteries deliver strong performance
Wide range of models and voltages

Limitations:

Limited runtime
Batteries add weight
High‑performance models can be expensive

Impact Drills (Impact Drivers)

Impact drills deliver rotational force combined with rapid impacts, making them ideal for driving screws and bolts.

Best for:

Driving long screws
Working with dense materials
Construction and assembly
Automotive work

Advantages:

Extremely high torque
Prevents cam‑out
Compact and lightweight
Fast and efficient for repetitive tasks

Limitations:

Not ideal for precision drilling
Requires impact‑rated bits
Louder than standard drills

2. Key Factors to Consider Before Choosing a Drill

A. Power & Torque

Corded: measured in amps
Cordless: measured in volts (12V, 18V, 20V)
Impact: torque measured in Nm or in‑lbs

Higher power = better performance in dense materials.

B. Speed Settings

Look for drills with variable speed and multiple gear settings.

Low speed = high torque (driving screws)
High speed = drilling clean holes

C. Chuck Size

Common sizes:

10 mm (3/8″) — light to medium tasks
13 mm (1/2″) — heavy‑duty drilling

Impact drivers use hex chucks for quick bit changes.

D. Battery Type (Cordless Only)

Choose lithium‑ion batteries for:

Longer life
Faster charging
Better performance in cold conditions

Also consider:

Battery capacity (Ah)
Whether you need a second battery

E. Weight & Ergonomics

A drill should feel balanced and comfortable. For long sessions, weight matters more than power.

F. Additional Features

LED work light
Brushless motor
Belt clip
Clutch settings
Hammer function (for masonry)

These features improve usability and extend tool life.

3. Common Mistakes to Avoid

Buying too much power for simple home tasks
Choosing the wrong chuck size for your bits
Ignoring battery compatibility across brands
Using a drill instead of an impact driver for long screws
Skipping safety gear (gloves, goggles, dust mask)
Not considering weight for overhead work

Avoiding these mistakes saves time, money, and frustration.

4. Top Picks by Use Case

Best for Homeowners:

Cordless 18V Drill/Driver Balanced, versatile, and perfect for everyday tasks.

Best for Heavy‑Duty Work:

Corded 13 mm Drill Unlimited power for drilling metal, hardwood, and thick materials.

Best for Construction & Assembly:

Impact Driver (18V or 20V) Fast, powerful, and ideal for driving long screws and bolts.

Best for Masonry:

Hammer Drill (Corded or Cordless) Designed for drilling into concrete and brick.

How to Choose the Right Drill for Your Project FAQ

Do I need both a drill and an impact driver?

Is a corded drill more powerful than a cordless one?

What voltage should I choose for a cordless drill?

Can I drill into concrete with a regular drill?

6. Interesting Facts About Drills

The first electric drill was invented in 1889 by two Australian electricians.
Brushless motors can increase efficiency by up to 30%.
Impact drivers deliver over 3,000 impacts per minute.
Lithium‑ion batteries retain power even when not used for months.

Conclusion: Choose the Drill That Matches Your Project – Not Just the Price

The right drill depends on what you’re building, where you’re working, and how often you use the tool. Corded drills offer raw power, cordless drills offer flexibility, and impact drivers deliver unmatched torque for driving tasks.

If you choose based on task, not marketing, you’ll get better results, safer operation, and a tool that lasts for years.