How to Change a Blade in a Stanley Utility Knife: 5 Simple Steps for Safe and Easy Replacement

how to change a blade in a stanley utility knife

Do you have a Stanley utility knife that needs a new blade? Changing the blade on a Stanley utility knife might seem like a daunting task, but it’s actually quite simple and can be done in a matter of seconds with the right tools and instructions. Whether you’re a beginner or an experienced DIYer, learning how to change the blade in a Stanley utility knife can save you time and money in the long run. In this blog post, we’ll guide you through the step-by-step process of replacing the blade in your Stanley utility knife, so you can use it with confidence and ease every time you need it.

So, grab your utility knife and let’s get started!

Things you will need

If you are looking to change the blade in your Stanley utility knife, there are a few things you will need to get started. First, you will need a replacement blade that fits your specific knife model. You will also need a flat surface to work on and a screwdriver, as some models require loosening screws to access the blade.

Additionally, it is recommended to wear protective gloves to avoid any accidental cuts or injuries during the blade replacement process. Once you have gathered these necessary items, you are ready to start changing the blade in your Stanley utility knife.

New blade

If you’ve recently acquired a new blade and are eager to put it to use, there are a few things you’ll need before diving in. First and foremost, ensure that you have the appropriate safety gear for the job at hand. Whether it’s goggles, gloves, or a mask, protecting yourself should be your top priority.

Additionally, make sure that you have the necessary tools to properly install the blade. This could include a saw wrench or specific screwdrivers, depending on the type of blade you’re working with. Finally, it’s always a good idea to have some lubricant or oil on hand to ensure that your new blade is kept in top condition.

By taking the time to gather these items ahead of time, you’ll be able to confidently and safely get to work with your new blade.

how to change a blade in a stanley utility knife

Flat head screwdriver

If you’re planning on doing any sort of DIY project, having the right tools is an absolute must. One tool that you’ll definitely need in your toolkit is a flat head screwdriver. This simple yet versatile tool is perfect for a variety of applications, from tightening screws to prying open paint cans.

When it comes to the things you’ll need for your project, a flat head screwdriver is definitely at the top of the list. But what exactly makes a flat head screwdriver so essential? For starters, it’s the most basic and common type of screwdriver out there. Its flat, wide head is designed to fit snugly into the slot on a flat head screw, which allows you to turn it in either direction.

This makes it incredibly versatile and useful for a wide range of tasks. In addition to its versatility, a flat head screwdriver is also very easy to use. You simply place the flat head into the screw slot, apply pressure, and turn it a quarter or half turn depending on your needs.

It’s also relatively lightweight and easy to handle, making it a great choice for those who may not have a lot of experience with power tools. Overall, if you’re tackling a DIY project, a flat head screwdriver is definitely a tool you’ll need. It’s simple, versatile, and easy to use, making it an essential part of any toolkit.

So be sure to invest in a good quality flat head screwdriver before you start your next project, and you’ll be ready to tackle whatever tasks come your way!


When it comes to cycling, gloves are a must-have accessory. Not only do they help you maintain a better grip on the handlebar, but they also provide comfort and protection during long rides. There are a few things you should keep in mind when selecting a pair of gloves.

First, consider the type of cycling you’ll be doing. Are you a road cyclist or a mountain biker? The gloves you choose will vary depending on the terrain you’ll be riding on. Second, think about the weather conditions you’ll be facing.

If you’ll be cycling in colder temperatures, look for gloves with thermal insulation. Lastly, make sure you select gloves that fit properly. Gloves that are too tight or too loose can be uncomfortable and affect your ability to grip the handlebars.

With the right pair of gloves, you’ll be able to ride longer and more comfortably, while also protecting your hands from blisters and other injuries. So, don’t forget to add gloves to your cycling outfit the next time you hit the road or the trails!


Changing the blade in a Stanley utility knife can seem like a daunting task, but it’s actually quite simple. The first step is to retract the blade fully into the handle, ensuring that it’s safely hidden and won’t accidentally cause any harm. Then, you’ll need to locate the button or lever on the knife that releases the blade.

Press or slide this mechanism to release the blade and carefully remove it from the knife’s body, being sure to avoid any sharp edges. Once the blade is removed, you can replace it with a new one, making sure that it’s secured in place and won’t slip out during use. Finally, test the new blade by carefully slicing through a piece of material to make sure it’s functioning properly.

With these simple steps, you can quickly and safely change the blade in your Stanley utility knife and get back to work with ease.

Step 1. Safety first, always wear gloves.

When it comes to working with potentially hazardous materials or equipment, safety should always be your top priority. This is why the first step in any task involving such items should be to put on a pair of gloves. Wearing gloves can protect you from cuts, scrapes, burns, chemical exposure, and other potential risks.

Not only that, but it also keeps whatever you are working with clean, preventing contamination or accidental spread of germs. Whether you are handling sharp tools, cleaning chemicals, or working with heat, wearing gloves is the simplest and most effective way to ensure your safety. So before you start any task, remember to always put on a pair of gloves first.

It could be the difference between a safe and productive day at work, and a potentially dangerous accident.

Step 2. Push the blade release button and slide the old blade out.

When it comes to replacing the blade on your utility knife, the second step is a crucial one. After retracting the blade back into the handle, you need to push the blade release button and slide the old blade out. Make sure to do this carefully, as the blade can still be sharp even when it’s fully retracted.

Keeping your fingers away from the sharp edge, gently slide the blade out from the holder and dispose of it safely. It’s important to note that the procedure for replacing blades can vary between different knife models, so be sure to consult the user manual for precise instructions. By following these steps, you can safely and easily replace the old blade and continue to use your utility knife for all your cutting needs.

Step 3. Pull out the blade carrier and remove any debris.

Maintaining your lawn mower is key to ensuring its longevity and efficiency. Step 3 of this process is to pull out the blade carrier and remove any debris. This step is crucial because debris such as grass, twigs and even rocks can get caught in the blade carrier causing it to malfunction and eventually wear down.

When removing the blade carrier, make sure to wear gloves to protect your hands and use a brush or compressed air to get rid of all debris. If you notice any damage, take note of it and replace the blade carrier as needed. By taking this step, you’ll be able to keep your mower working at its best and prolong its lifespan.

Step 4. Attach the new blade to the carrier, ensuring it is secure.

When it comes to replacing the blade on your carrier, it’s important to ensure that it is properly attached and secure. The fourth step in this process involves attaching the new blade to the carrier, making sure that it is tightly in place. This can be done by aligning the blade with the carrier’s mounting holes and then tightening the screws or bolts that hold it in place.

It is important to ensure that the blade is flush and level with the carrier to avoid any potential damage or issues caused by uneven cutting. Once the blade is securely attached to the carrier, it should be tested to ensure that it is working properly before use. By taking the time to properly attach the new blade, you can ensure that your carrier will function effectively and safely.

Don’t rush this step, as a poorly attached blade can cause damage or injury down the line.

Step 5. Slide the blade carrier back into the knife until it clicks.

When it comes to using a retractable knife, knowing how to properly slide the blade carrier back into the knife is crucial. This is the step where you will hear a satisfying click, indicating that the blade is properly snapped into place. To begin with, make sure that you are holding the knife securely in your hand, and that your fingers are away from the blade.

Next, locate the blade carrier and carefully guide it back into the knife, making sure that it lines up correctly with the rest of the tool. As you do this, keep your eyes focused on the blade carrier, ensuring that it is properly inserted and that there are no obstructions or misalignments. Finally, press down firmly on the carrier until it locks into place and you hear that audible click.

Congratulations, you have successfully completed the final step of using a retractable knife and are now ready to tackle any project with confidence and ease!

Step 6. Test the blade by pressing the release button and sliding it out.

If you’re looking to change the blade on your knife or box cutter, testing the blade is an important step to ensure that it is locked in place and won’t slide out during use. To test the blade, start by pressing the release button and holding it down. Next, slide the blade out and take a close look at the locking mechanism to make sure that it is securely holding the blade.

Give the blade a gentle tug to see if it feels loose or wobbly. If it does, try sliding the blade back in and out a few more times to re-engage the locking mechanism. If the blade still feels loose, you may need to adjust or replace the locking mechanism.

Taking the time to properly test the blade can save you from accidents and ensure that your tool works properly when you need it. So, don’t forget to test the blade before using your knife or box cutter.


Changing the blade in a Stanley Utility Knife is as easy as a walk in the park… or should we say a slice of bread! With just a few simple steps, you can replace the old blade with a shiny new one, ready to tackle any cutting task that comes your way. So, grab your Stanley Utility Knife and show that blade who’s the boss! Because let’s face it, you don’t need to be a superhero to change a blade, just a little bit of common sense and a willingness to get the job done!”

Changing the blade in a Stanley utility knife may seem daunting, but it is a simple process with the right tools and precautions. Always take your time and be careful when handling sharp objects.

Changing the blade in a Stanley utility knife may seem intimidating, but it’s actually quite straightforward if approached with care and attention. The first step is to ensure that the knife is turned off and the blade is retracted fully. Then, using a small screwdriver, gently unscrew the 2 screws that are located at the base of the blade.

Once this is done, carefully lift up the blade cover to expose the blade. At this point, you can easily lift out the old blade by grasping it firmly and pulling it straight out of the knife. To insert a new blade, hold it by the edges and slide it into place, taking care to align it properly.

Replace the blade cover, making sure it is securely in place, and then replace the 2 screws and tighten them gently. And voila! Your Stanley utility knife is now ready to use again. Remember, safety is of the utmost importance, so always use caution and take your time when handling sharp objects like blades.


What type of blade does the Stanley utility knife require?
The Stanley utility knife requires a standard utility knife blade.

How do I remove the old blade from my Stanley utility knife?
To remove the old blade, press the blade release button and pull the old blade out.

How do I know when it’s time to change my Stanley utility knife blade?
You’ll know it’s time to change the blade when it becomes dull and isn’t cutting as well as it should.

Can I replace the blade on my Stanley utility knife with a different brand of blade?
While it’s possible to use a different brand of blade, it’s always best to stick with the recommended blade for your specific knife.

Is it easy to change the blade on a Stanley utility knife?
Yes, it’s a simple process that can be done quickly with the right tools and instructions.

What tools do I need to change the blade on my Stanley utility knife?
You’ll need a screwdriver or similar tool to remove the screws holding the knife together, as well as a new blade and pliers to hold the blade in place.

Can I sharpen the blade on my Stanley utility knife instead of replacing it?
While it’s possible to sharpen the blade, it’s typically easier and more cost-effective to simply replace it with a new one.

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