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Numbers on a Drill

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Written By John Gibbs




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An electric drill is a power tool used for drilling holes in various materials or fastening various materials together. The drill is held by one hand, while the other hand operates a trigger that controls the speed of the drill bit. The most common type of electric drill is the handheld drill, which is used for many tasks in the home, workshop, or on the job site.

What do the numbers on the drill mean?
The numbers on the drill refer to the amount of torque that the drill will apply to the fastener (usually a screw), and once this torque setting is reached, the drill will stop turning/screwing the fastener.

What Are the Types of Drills

There are many different types and sizes of electric drills, and each is designed for a specific purpose. The most common type of drill is the handheld drill, which is used for many tasks in the home, workshop, or on the job site.

There are also cordless drills, which are becoming more popular as they offer the convenience of not having to be tethered to a power outlet.

Required Personal Protective Equipment

Like any tool, the electric drill is no exception and must be treated with precautions and personal protective equipment:

  • Protective goggles or a plastic mask
  • Earplugs or ear defenders
  • Gloves with protection against electricity

Helmet, goggles, gloves on the table

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What the Numbers on the Packaging of the Drill Mean

When shopping for a power drill, you may notice that some models have a number attached to their names. For example, you might see a “12-volt drill” or a “24-volt drill.” But what do these numbers mean?

In short, they indicate the maximum power output of the drill. The higher the number, the more powerful the drill. For most home projects, a 12-volt drill should be plenty of power. But if you’re working on something more challenging, like drilling through rock, you’ll need a more powerful drill.
Of course, more power comes with some trade-offs. More powerful drills are usually heavier and more expensive. So if you don’t need the extra power, it’s probably not worth the extra money.

When choosing a power drill, it’s important to think about the projects you’ll be working on. If you only need a drill for light-duty tasks, a lower-powered model should suffice. But if you’re tackling tougher projects, you’ll need a more powerful drill. By understanding what the numbers on a power drill mean, you can make sure you choose the right model for your needs.

a drill with a handle stands on the table

What Do Mean Numbers on a Drill?

Newcomers to the drill, often wonder what the drill numbers mean. The answer to this question is much easier than it seems.
The numbers on the drill stand for a specific number of revolutions and are divided by gradation.

Some manufacturers specify numbers 1, 2, 3, etc. (like the gears in a car) which hide specific revolutions or they indicate the revolutions directly. Often the numbers can mean thousands or hundreds of revolutions. It all depends on the type of drill and its manufacturer. See the manual for more details.

The exact deciphering of the numbers is in the manual of the drill. I recommend you in any case to read the manual in detail before use to prolong the life of the drill and to protect yourself.

What Symbols Can Be Found on a Cordless Drill and What Do They Mean?

The symbols that can be found on a cordless drill are metric and imperial measurements and voltage, amperage, and wattage. The metric measurements can be found by the outlet that the cordless drill is plugged into.

The imperial measurements are found on the drill itself and are read in inches. The voltage, amperage, and wattage are also found on the drill.


The voltage is the measure of the amount of electrical energy that the drill can use.


The amperage is the measure of the amount of electrical energy that the drill can use in one second. The wattage is the measure of the energy the drill can use in one hour.

Hammer icon

There is also often a hammer icon on the drill. It usually means that the hammer function of the drill is on/off. If your drill supports this function, you will be able to use it when needed.

numbers on the yellow drill

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Frequently Asked Questions

Answers to frequently asked questions are collected here.

What do the numbers on a drill mean?

The numbers on a drill bit refer to the diameter of the bit.

What do the 1 and 2 mean on a drill?

The numbers on a drill refer to the size of the drill bit. In this case, 1 and 2 would mean that the drill bit is small.

Is 1 or 2 stronger on a drill?

1 is stronger on a drill because it has more torque and can therefore handle more difficult tasks.

Is a higher amp drill better?

In general, a higher amp drill will be able to do more work than a lower amp drill, but there are other factors to consider such as speed and torque.

yellow door drills a brick wall


An electric drill is a powerful tool that is used to create holes in various materials or to fasten screws. It typically consists of a chuck that holds drill bits of various sizes, and a motor that spins the chuck.

The operator presses the drill against the workpiece and activates the motor, which causes the drill bit to rotate and create a hole.

There are various numbers and symbols on the drills.

Each of them has certain meanings. Figures may have values of the number of revolutions and motor power readings. Also the numbers on the drill number meaning drill bit size
I hope this article has answered the question “What are the numbers on a drill?” If you still have questions, you can ask them in the comments and I’ll try to answer them.

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About John Gibbs

Hello everyone! My name is John Gibbs. I am 60 years old and have been in the family construction business all my adult life. Construction is not only my profession but also my passion. I know everything about building and repair materials, tools, advanced methods, techniques, and approaches. I will share the same knowledge with you in my articles.

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