How to Sharpen Electric Fillet Knife Blade with Whetstone

What is an Electric Knife?

An electric knife is made with a serrated blade, which is electrically operated, the motor powers the blade and makes its movement fast and smooth so that it cuts the fish easily. The serrated blade is the main thing that sets it apart from a regular fillet knife. A regular blade requires manual manpower to move and cut anything while an electric knife works automatically and more quickly but requires more attention during filleting.

Do Electric Knives Require to Sharpen?

It is a myth that electric knives do not need to be sharpened, this is not true. Yes, they are better than regular knives that require more sharpening, but they also get dull and require sharpening oftenly. 

Serrated blades stay sharp longer but require proper maintenance and sharpening but not regularly, it all depends on how much you use them. If you use them regularly then It is a good practice to sharpen them after every two weeks. 

Now you are clear that even electric knives need sharpening, so let’s start to learn about how to sharpen electric fillet knife blade effectively.

How to Sharpen Electric Fillet Knife Blades

If you have no idea about sharpening electric knife blades and want to try it for the first time, we explain all the methods in a simple way so that no one has any difficulty in following them. Obviously, when we use something be it electrical or manual, gradually its performance degrades which requires service to bring it back to its original state.

There are various methods and we have mentioned some of them that we have personally experienced such as Professional Whetstone Knife Sharpener Set 4 Side Grit 400/1000 3000/8000

You’ll Need a Whetstone

The first and most important method that we can use to sharpen electric knives is the whetstone, which is result oriented and proven.

Get the Right Angle for Sharpening the Blade

In order to get sharp and brilliant results you need to be careful with your angle which plays an important role in getting the blade as sharp as you want.

Ensure You Remove all of the Old Blade Material

It is recommended to remove all material from the blade before you start sharpening with a whetstone as it can affect and damage the whetstone, also, if you don’t, you need more effort or you may encounter many other problems.

Start Sharpening the Electric Fillet Knife Blade

There are few tips you need to keep in mind to get effective results.

  • Use moderate pressure when moving the blade back and forth over the whetstone.
  • Move your blade in one direction the entire length of the whetstone 

Note – If you are learning to sharpen an electric fillet knife, we recommend that you avoid sliding.

  • Once your electric fillet knife is as sharp as it can be, the whetstone will no longer have any effect.

Use a Soft Cloth to Remove the Material from your Blade

Once you’re done sharpening, remove any material that clings to it with a soft cloth, it will be beneficial to you to prevent damage to the whetstone and difficulties throughout the process.

How to Sharpen Electric Knife Blades with an Electric Sharpener

Sharpening an electric knife blade with an electric sharpener is the easiest way to get the best results with less effort. There are some key points that will help in the sharpening process.

  • Make sure your knife is unplugged with the switch on.
  • Remove the blade from the knife.
  • Place the sharp part of the blade into the hollow part of the sharpener.
  • Slide it onto the device with light pressure. 
  • Continue this process for about 5-7 minutes.
  • Remember, you need to keep the pressure light, or you will damage your blade.

How to Choose the Best Electric Knife Sharpener

Here we have briefly explained some of the factors that you should keep in mind while choosing the best sharpener for fillet knives

  • First, the shape of your sharpener should be simple so that you feel comfortable holding it. Additionally, choose one that has multiple slots.
  • Secondly, it should be easy to use and operate.
  • Third, the most important factor is quality, a poor quality electric knife sharpener can damage even your expensive knives.

How to Sharpen Electric Knife Blades with an Electric Sharpening Rod

Sharpening electric knives with Kengege Knife Sharpening Rod is a difficult task that is not suitable for beginner fishermen, it is recommended for those who are more skilled. Here are some tips for those who decide to use a rod to sharpen an electric knife.

  • Remove the blade with an electric knife, as described above.
  • Place the blade on the sharpening rod with the point of the knife facing up.
  • Move the blade back and forth on the bar at a moderate speed.
  • Be sure to slide the knife all the way down the rod, leaving no point.
  • Do this for about 3-4 minutes.
  • Now flip the blade over and repeat the above process for the opposite side of the blade as well.

Taking Care of Your Electric Fillet Knives

Electric fillet knives require proper sharpening to perform well for a long time, as we have already explained that they also get dull with time, so we need to take care of them. Below we have mentioned some tips that help keep their edges sharp and protect them from damage and rust. 


Cleaning is the first step in the care of electric knives, it is important for the blade as well as for humans because after using it some bacteria and germs remain that can be harmful to us. To protect yourself from health problems, you should wash it by hand (not in the dishwasher) before and after each use.

You need to take care of the blades to prevent them from rusting and take all precautions like using a cleaning product or a little vinegar.


After cleaning, it is important to keep the knife in a safe place so that it does not get any marks and remains useful for a long time. Tips for storing:

  • It is best to keep away from moisture, most recommended is to store them in any dry place like a wooden box. 
  • Make sure they don’t hit hard objects.
  • Be careful leaving them in the kitchen overnight – mice and bugs like to get into them.


Oiling is the best caring technique that helps to work them for a long time, so you must oil the blades regularly. If you want to be extra careful with things, why not add a layer of protective varnish or another protective layer? This should help prevent further damage over time.

Learn More about : How to sharpen a knife with a sharpener

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