Best Rotary Blade Sharpener Reviews | Top 5 Picks

When my rotary cutter started skipping threads, I thought of replacing it to get a new one, and then it occurred to me – how many more blades do I have to buy in such a short span of time?

I was spending excessively on these blades, which was not economical for me. So I decided to get the best rotary blade sharpener to reduce this replacement habit.

Eventually, I came across a lot of options, out of which I liked five of them the best – and I will be discussing them right here. Please go through my reviews to pick the ideal one for yourself.

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Best Rotary Blade Sharpener Reviews 2023

Searching the market yourself doesn’t always help; sometimes, you need to analyze a few options and choose after proper reviewing – which you will be doing right here.  

1. Colonial Needle 45mm Rotary Blade Sharpener

Colonial Needle 45mm Rotary Blade Sharpener

The task of blade sharpening already sounds pretty hassle-some – on top of that, you don’t want a sharpener to make it more difficult for you. Well, here’s the ultimate sharpener that will make sure you always find ease in the task – find out more.

The dual rotary blade sharpener has one of the more user-friendly mechanisms than its competitors. Whether you have done it before or are looking for a sharpener as a beginner, it will not disappoint you and will rather make it exceed your expectations.

If your rotary blades have become dull, then this will become your best friend in no time. No matter which brand of blades you have, as long as it is 45mm, you will be able to sharpen it using this sharpener without any hassle.

In fact, this sharpener is designed to extend the life of your rotary blades. And as long as you use it, your blades will have razor-sharp edges – making it highly efficient for all your projects. All you have to do is give it a manual twist, and that will do the trick.

What makes the item even better is that it is designed to be completely safe and rather economical as well. It has been designed to remove the dull spots and the small burrs from your blades as well, so you can use it for versatile purposes.

Highlighted Features

  • It can be used with all brands of blades
  • Designed for manual use
  • Safe and economical for 45mm blades
  • Removes both dull spots and small burrs
  • Extends the life of the blades
👉 Check Price on Amazon

2. TrueSharp 2 Rotary Blade Sharpener

TrueSharp 2 Rotary Blade Sharpener

You might think the cost of getting razor-sharp blades is tolerating a lot of noise pollution in return. But that is not the case with this remarkable blade sharpener – it does wonders while keeping the noise levels low.

Don’t think you have the time or energy to sharpen your rotary blades? Well, with this sharpener, you won’t need any because it comes with an amazing mechanism, which will let you have razor-sharp blades only with the push of a button!

This truecut rotary blade sharpener comes with diamond grit stones, which will take care of blades of just about any brand. Hence, you won’t have to worry about whether or not this item will be compatible with your rotary blades.

At the same time, the sharpener will be able to work with blades that are 60mm, 45mm, and 28mm. As a result, it will offer versatility like none other, and you will be able to sharpen various sets of rotary blades without any hesitation whatsoever.

No matter what it is that you will be needing, this package includes it all. Whether you need instructions, a safety blade handler, or a blade sharpening oil, you won’t have to purchase anything separately.

Highlighted Features

  • Keeps the noise levels low
  • Sharpens with the push of a button
  • Includes diamond grit stones for any brand
  • Works for 60mm, 45mm, and 28mm blades
  • Comes with all the necessary accessories
👉 Check Price on Amazon

3. Quilting Bear Premium Universal Rotary Blade Sharpener

Quilting Bear Premium Universal Rotary Blade Sharpener

Are you in search of a rotary cutter blade sharpener that will provide excellent value for money? In a market full of overpriced items, here’s a product that will be totally worth the investment. Still in doubt? – find out more right here!

This item also saves your money by not letting you replace your rotary blades every now and then. The rotating tool sharpener makes the mechanism of sharpening much easier and less time-consuming for its users – so you will never feel the need to replace it.

Your blades will be restored to the way they used to be, and their razor-sharpness will make them feel almost brand new. As a result, you will be able to complete your projects efficiently using your old blades.

Unlike other blade sharpeners, there isn’t much for you to worry about with this one because it offers much safer handling. For that purpose, the item comes with a magnetic stick, which will always ensure secure blade handling.

If you have rotary blades of different sizes, you have nothing to worry about – because this item is suitable for all. It will work well for both 45mm and 28mm blades without any hassle whatsoever; hence, you can use the sharpener for versatile purposes.

Highlighted Features

  • Economical sharpener – worth the investment
  • Saves time for consumers with an effortless mechanism
  • Restores blades to being brand new again
  • Ensures secure blade handling with magnetic stick
  • Suitable for both 45mm and 28mm blades
👉 Check Price on Amazon

4. TrueCut TrueSharp Linear Sharpener Notion

TrueCut TrueSharp Linear Sharpener Notion

Are you looking for a rotary knife sharpener that will require you to put no effort at all in the process? In that case, here’s the best rotary blade sharpener that you could get – find out more in our comprehensive review.

You won’t have to witness unnecessary vibrations and noises when your blades are being sharpened with this. The item harbors the same motion when sharpening blades as you do when cutting through a piece of fabric – all smooth and easy.

The integrated diamond stone in the rotary blade sharpener machine will make sure your rotary blades turn brand new. You will notice the razor-sharp edge that you did when you first bought the blades – so you won’t have to replace them.

The process of sharpening is so easy with this item that you won’t even have to touch your rotary blades. All you will have to do is keep them in the machine, and it will do all the work all by itself.

To make sure the sharpening process is absolutely safe for the users, the bottom of the item comes with a non-slip surface. As a result, the machine will not move while it is sharpening – and you won’t have to be scared or worried at all.

Highlighted Features

  • Works with all brands of blades for versatility
  • Produces no noises or vibrations when sharpening
  • Ensures razor-sharp edges after sharpening
  • Offers an effortless process for users
  • Safe non-slip bottom for enhanced security
👉 Check Price on Amazon

5. Rotary Blade Sharpener / Stens 750-034

Rotary Blade Sharpener, Stens 750-034

Tired of traditional sharpeners and looking for a rotary blade grinder that will keep your blades sharpened for a long time? In that case, we have some good news for you. Read more of our comprehensive review to find out.

This sharpener is capable of working different sorts of blades. Whether you want to sharpen your lawnmower blades or scythes, this item will not discriminate and will provide the best results – so you won’t need different sharpeners for different blades.

Not only will the grinder sharpen your blades, but it will also make sure there are no dull spots left. Your blades will look brand new once you are done sharpening them, and they will perform efficiently with razor-sharp edges as well.

Even if you have never used anything of such sort before, there is nothing to worry about. This item ensures an absolutely safe mechanism that will make sure you never face any unnecessary accidents with it – so you can use it without any second thoughts.

For added versatility, you can fit this sharpener with ¼-inch and 3/8-inch drills. In fact, you can also use the sharpener to work with blades of different brands. As a result, you won’t have to worry about compatibility before getting it.

Highlighted Features

  • Suitable for sharpening lawnmower blades, scythes, etc
  • Sharpens as well as removes all dull spots
  • Keeps the blades sharpened for longer
  • Ensures a safe mechanism for sharpening
  • Fits drills of two sizes and sharpens blades of different brands
👉 Check Price on Walmart

Comparison Chart of Rotary Blade Sharpener

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Things to Consider Before Buying Rotary Blade Sharpener

In most cases, when your rotary blades go dull, you feel like you should replace them – and that has probably cost you a lot by now. So the smarter choice is to get a blade sharpener and keep the old ones new.

Now, blade sharpeners are rather important, and you can’t be careless when buying them; more like, you shouldn’t be careless at all. Hence, you should consider some important factors before you choose one.

We understand all of it might seem a little hassle-some to you – but don’t worry, we got your back. With our list of key aspects, you will easily be able to make the right choice.

1. What Is It Made of?

If you want your rotary blade sharpener to do its job well, you need to find one that is heavy-duty. In that regard, going for ones that contain diamond grit stone would be ideal.

Other than that, you should also make sure that your chosen option is long-lasting.

2. Is It Safe to Use?

Even if your rotary cutter is dull now, we are talking about actual blades here – and any mechanism including them can be pretty dangerous. Therefore, you should look for a rotary cutter that contains safety features.

Go through the description of the item, and it will state whether it contains a safety feature or not.

3. Can a Beginner Use It?

Most rotary cutter sharpeners are rather simple to use – so beginners don’t seem to face any issues with them. But there are some with complicated mechanisms, which you should avoid.

Especially if you are a beginner, it is important to go for a beginner-friendly sharpener.

4. Does It Create Noises Or Vibrations?

One of the major disadvantages of rotary blade cutters is that they can generate noises or vibrations during the sharpening process. So, it is better to go through reviews of the product and make sure it doesn’t do that.

Excessive noise can make it more hassle-some to use them.

5. Does It Include Accessories?

Some sharpeners contain accessories – for instance, instructions, a safe blade handler, etc. Now, these accessories are not mandatory, but they are important.

So instead of buying those separately, go for a rotary blade sharpener that comes with the accessories. This will both save your time as well as your costs.

6. Which Brands of Blades Does It Work with?

Making sure your sharpener is compatible with your rotary blade is vital and hassle-some at the same time. That is why the best solution is to go for sharpeners that work with all brands.

When purchasing a rotary blade sharpener, make sure to check its description and see if it goes well with all brands of blades or not.

7. Which Sizes of Blades Does It Work with?

Most rotary blade sharpeners are constructed for 45mm or so blades. But there are blades of many other sizes as well.

If you have multiple different-sized blades, then go for a versatile sharpener. If not, then go for one that only works with blades of that size – makes sure not to overlook the size.

How to Sharpen Rotary Blades

Sharpening rotary blades might sound complicated, but the process is actually quite simple – even for beginners. To learn how to sharpen the blades without having to replace them or throw them out, read along…

Choose a Sharpener

There are various sharpeners available out there – most of which are beginner-friendly. So, your first task is to choose a sharpener cautiously.

Then read the instructions for the sharpener because not all of them are used in the same way. Once you are done with the instructions, unpack the sharpener and make sure it is completely safe.

Then proceed to sharpen the blades.

Use Aluminum Foil

If you don’t have a sharpener, you can use another not-so-recommended alternative – using aluminum foil.

For this method, you will need to lay out a cutting mat and have the foil on top of it. Then rub the blades on them to sharpen them out.

Frequently Asked Questions

How often should I replace my rotary blades?

Some people wait for a few projects to be done before replacing their rotary blades, while others replace them within a few hours of use. It is best to sharpen the blades as soon as they become dull – and replace them after sharpening twice at most.

How should I care for my rotary blades?

To make sure your rotary blades don’t go dull too often, you should care for them. So, make sure to keep them clean and out of too much moisture or humidity.

Should I oil my rotary cutter?

Yes, you can use the same oil that you use for your sewing machine. But do oil your rotary blades because this is an important step that a lot of people seem to skip.

Is it okay to sharpen my rotary blades?

Yes, it is okay to sharpen your rotary blades but don’t sharpen them too often. You can sharpen one blade twice or thrice and try not to do it excessively.

Is sharpening rotary blades unsafe?

That depends on the equipment you will use to sharpen them. Most sharpeners come with safety features, so there is usually not much to worry about.

Final Words

You might be wondering if looking for the best rotary blade sharpener is even worth it – after all, you can easily just replace the blades. But we can assure you that these sharpeners are meant to cut your costs and save your time.

Once you get your hands on a remarkable sharpener, your blades will last much longer, and your expenses will be saved as well.

So, go through our buying guide and then go through the reviews of our top five picks. Eventually, you will know which one is the best for you.

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