How to Change Blade in Irwin Utility Knife: Step-by-Step Guide

Have you ever found yourself struggling to change the blade in an Irwin utility knife? Fear not, as we have the solution to your problem. Irwin utility knives are indispensable tools for any DIY enthusiast or professional tradesperson. They are versatile, durable, and meant to last a lifetime.

However, even the best tools eventually need a new blade. Changing the blade in an Irwin utility knife might seem like a daunting task, but it’s actually quite simple once you understand the proper technique. In this blog post, we’ll walk you through the steps on how to change the blade in an Irwin utility knife, so you can get back to working on your project in no time.

Overview of Irwin Utility Knife

Changing the blade in an Irwin utility knife is a breeze with just a few simple steps. First, ensure the blade changing button is securely in the locked position. Then, slide the blade release button towards the handle to release the old blade from the knife frame.

Once this is done, hold onto the old blade and remove it from the knife frame. Next, insert the new blade into the knife frame and push it in until you hear a click indicating it is securely in place. Finally, slide the blade changing button back to the unlocked position, and you’re all set! With these easy steps, changing the blade in your Irwin utility knife has never been simpler.

Features and Benefits

The Irwin Utility Knife is an indispensable tool for anyone involved in DIY projects, contracting jobs, or even home repair tasks. With its sharp and durable blades, this knife can be used for a multitude of applications, including cutting through heavy-duty materials like carpet or drywall. The knife’s retractable blade mechanism makes it easy and safe to use, and the comfortable handle ensures a steady grip while you work.

The blade can be easily swapped out when it becomes dull, so you never have to struggle with a dull knife again. This knife is also lightweight and compact, making it easy to carry with you on the go and store in tight spaces. With all of these features, it’s no wonder the Irwin Utility Knife is a favorite among professionals and DIY enthusiasts alike.

So, whether you’re working on a construction site or simply need to make some repairs around the house, this knife is sure to get the job done quickly and efficiently.

how to change blade in irwin utility knife

Types of Blades Compatible with Irwin Utility Knife

If you own an Irwin Utility Knife, you’ll want to ensure you’re using the right type of blade for your projects. Irwin’s utility knife is a versatile tool that can handle a variety of cutting tasks, from opening boxes to cutting through tough materials like carpet and drywall. To maximize its potential, you need to choose the right blade for the job.

The Irwin Utility Knife is compatible with several types of blades, including straight-edge blades, hook blades, and serrated blades. Straight-edge blades are ideal for general cutting tasks, while hook blades are perfect for cutting materials like roofing or carpet. Serrated blades are designed to cut through tough materials like foam or rubber with ease.

No matter what type of cutting task you need to accomplish, the Irwin Utility Knife has a blade that can tackle the job. Just make sure to choose the right one for the task at hand to ensure optimal performance and safety.

Changing the Blade

Changing the blade in an Irwin utility knife is a simple process that can be done quickly and safely with a few straightforward steps. First, ensure that the knife is not in use and that there are no fingers or other objects in the way of the blade. Then, press the blade release button or lever, which is typically located at the base of the blade.

Once the blade is released, slide it out of the knife and dispose of it properly. Next, insert the new blade into the slot, ensuring that it clicks securely into place. Finally, test the blade to ensure that it is properly seated and ready for use.

Remember to always handle utility knife blades with care and dispose of them safely to avoid injury. With a little practice, changing blades in an Irwin utility knife can become a quick and easy task that ensures the tool is always ready for use.

Step 1: Retract the Blade

When it comes to changing the blade on your knife, it is important to follow the correct steps in order to avoid any accidents or damage to the knife itself. The first step in this process is to retract the blade fully into the handle. This is a simple but essential step that should not be overlooked.

By retracting the blade, you ensure that it is no longer exposed or sticking out of the knife, thereby reducing the risk of injury. Additionally, this step makes it easier to safely remove the blade for replacement. It is important to note that different types of knives may have different mechanisms for retracting the blade, so it is crucial to consult your knife’s instructions or manufacturer before attempting any changes to the blade.

By following this initial step in the process, you are on your way to safely and effectively changing the blade on your knife.

Step 2: Release the Blade Lock

When it comes to changing the blade of your power tool, knowing how to properly release the blade lock is essential. This is because the blade lock securely holds the blade in place while you use the tool, preventing it from moving around or falling out during operation. To release the blade lock, you will typically need to locate a small button or lever located near the blade housing.

Simply press or slide this in the opposite direction of the lock, and the blade should release. However, it’s important to always double-check that the blade has properly disengaged from the lock before attempting to remove or replace it, as using force could cause damage to both the blade and the tool itself. Keep in mind that different power tools may have varying blade locking mechanisms and release methods, so always consult your user manual or manufacturer’s instructions to ensure proper and safe procedure.

Step 3: Remove the Old Blade

Now that we’ve prepared our new blade, it’s time to remove the old one. The first step is to locate the locking mechanism that secures the blade in place. This may be a button or lever that you’ll need to press or pull to release the blade.

Once you’ve located the mechanism, activate it and carefully remove the old blade from its housing. Be sure to handle the blade carefully, as it will be sharp and may still have some residual tension. Once the blade is free, dispose of it properly according to your local regulations.

With the old blade removed, we’re ready to move on to installing the new one.

Step 4: Insert the New Blade

After removing the old blade, it is time to insert the new one. Before you begin, make sure that the new blade you are using is the correct one for your saw. If it is, then follow these steps to insert the new blade.

First, release the tension on the blade by loosening the tensioning knob or lever. This will allow you to easily insert the new blade into the blade slot. Next, slide the new blade into the blade slot, making sure the teeth are facing forward.

Once the blade is positioned correctly, tighten the tensioning knob or lever until the blade is taut. Be sure not to over-tighten the blade, as this could cause it to break or damage the saw. Finally, give the blade a quick test by turning on the saw and running it for a few seconds.

If everything looks good, you are ready to start using your newly replaced blade. Remember, always handle sharp blades with care and always follow the manufacturer’s instructions to ensure safe and proper use of your saw.

Step 5: Secure the Blade Lock

“blade lock” Once you’ve removed the old blade, it’s time to secure the blade lock. This step is important because it ensures that the new blade stays in place and doesn’t come loose while you’re using it. First, make sure the blade lock is disengaged by pulling back on the release lever.

Then, slide the new blade onto the shaft of the blade lock until it clicks into place. Once the blade is secure, engage the blade lock by pushing the release lever forward until it locks into place. You can give it a gentle tug to make sure it’s secure.

Remember, the blade lock is what keeps the blade safely in place, so it’s essential to make sure it’s properly engaged. Taking the time to secure the blade lock can save you from potential accidents and ensure your tool works properly.

Safety Precautions

Changing the blade in an Irwin utility knife is an essential task that requires some safety precautions to ensure that you don’t injure yourself. Before you start, make sure that you have the correct blade for your utility knife. Also, wear gloves and safety glasses as you’re handling sharp objects.

Next, retract the blade and hold the knife’s handle firmly with one hand. With the other hand, locate the release button or blade lock on the knife and press it firmly to release the blade. Remove the old blade carefully by pulling it out, holding it by the edges.

Avoid using your fingers to pull out the blade to avoid injuries. Then, insert the new blade into the slot while taking care to align the notch on the blade with the notch in the knife’s body. Push the blade until you hear a click, and lock it in place.

Finally, test the knife’s functionality by extending the blade and retracting it safely. Remember, always be cautious when handling sharp objects, and avoid leaving the old blades lying around in the workplace to prevent accidental injuries.

Avoid Accidents While Changing the Blade

When it comes to changing the blade on your power saw, safety should always be your top priority. After all, the last thing you want is to end up with an injury that could have been avoided with a little bit of caution. One of the first things you should do before attempting to change the blade is to unplug the saw from the power source.

This will prevent any accidental start-ups, which can be incredibly dangerous. Another important safety precaution is to wear protective gloves and safety glasses. These will protect your hands and eyes from any debris that may fly off during the blade changing process.

Lastly, make sure you are using the correct blade for your saw. Using the wrong blade can cause the saw to function incorrectly, leading to potential accidents. By taking these safety precautions, you can avoid accidents and complete your blade change with peace of mind.

Proper Disposal of Used Blades

When it comes to disposing of used blades, safety should always be the number one priority. One of the easiest and safest ways to dispose of used blades is to use a blade bank. These small containers are specifically designed to safely hold used blades until they can be disposed of in a proper manner.

It is important to always check the manufacturer’s instructions regarding the disposal of blades, as some brands may have specific guidelines to follow. When disposing of blades, it is essential to make sure they are not loose and that they are securely sealed in a container or wrapping. Sharps, including used blades, should never be thrown directly into the trash or recycling bin, as they can pose a safety risk to others.

By taking proper safety precautions, you can ensure that used blades are disposed of safely and responsibly, minimizing the risk of injury to both yourself and others.


Changing the blade in your Irwin utility knife is as easy as slicing through butter. With just a few simple steps, you can swap out your dull blade for a sharp new one and make quick work of any task at hand. So don’t let a dull blade cause frustration in your life – instead, embrace the power of a freshly changed blade and tackle your projects with confidence and ease.


What is an Irwin utility knife?
An Irwin utility knife is a handheld cutting tool used for various cutting tasks such as cutting through materials like paper, cardboard, and plastic.

Why would I need to change the blade in my Irwin utility knife?
Blades dull over time and need to be replaced to ensure precise and safe cuts.

How often should I change the blade in my Irwin utility knife?
It’s recommended to change the blade in your Irwin utility knife whenever it starts to dull or after every few uses to maintain optimal performance and prevent accidents.

What tools do I need to change the blade in my Irwin utility knife?
You’ll need a new blade, a screwdriver, and a pair of pliers.

How do I safely remove the blade in my Irwin utility knife?
Use a screwdriver to remove the screws holding the blade in place, then gently lift out the old blade using a pair of pliers.

How do I insert the new blade in my Irwin utility knife?
Simply slide the new blade into place and replace the screws using a screwdriver.

What precautions should I take when changing the blade in my Irwin utility knife?
Always make sure the blade is securely in place before using the knife, and avoid touching the sharp edge of the blade with your bare hands.

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