7 Best File For Sharpening Lawn Mower Blades In 2023

The best file for sharpening lawn mower blades should have precise teeth and effective tooth angle with superior sharpening/ cutting performance, thus resulting in fine turf grass cuts with a clean, uniform, and sharp appearance.

 Best File For Sharpening Lawn Mower BladesMoreover, a quality file for sharpening lawn mower blades should be compatible with different types of reel mowers, electric mower blades, ridding-on, gas-powered, self-propelled to walk behind lawnmowers.

Let’s jump to our review.

Also check:7 Best Grinder For Sharpening Lawn Mower Blades

Reviews: 7 Best File For Sharpening Lawn Mower Blades In 2023

1. Mill Bastard File 12 Inch Ride-On Lawn Mowers Blades  Sharpening File Review

Taking the top of the position, find a 12-inch file with the handle that comes from Mill Bastard. It comes with a slip-free handle, thus making it to be our overall best hand file for sharpening Ride-On lawn Mowers blades.

Best File For Sharpening Lawn Mower Blades View on Amazon

What is even more making is that this beast not only makes the blade of your Ride-On Lawn Mowers blade razor-sharp but also gives a professional Butter-knife sharp cutting edge that prevents it from dulling quickly.

The manufacturer used Superior quality Carbon steel, which was heat-treated to improve the Ride-On Lawn Mower overall hardness of this file for sharpening Ride-On Lawn Mowers from Mill Bastard.

Due to this reason, Mill Bastard 12 Inch lawn mower blade file improves the overall blade yield strength while, on the other hand, promoting its overall durability.

Superior Resistance also defines it as the manufacturer making good use of  Abrasion and Corrosion technology.

Intractably, the manufacturer also integrated a quality – chromium material to make sharpening a lawnmower blade with a file easy and professionally increase corrosion and abrasion resistance.

  • Limited lifetime warranty
  • overall durability
  • easy to work with
  • Sharpens easily
  • 12 Inch file
  • Comes with a handle
  • Consistent Quality
  • None

2.Multi Sharp Cylinder Zero Turn Lawn Mower Sharpener File Review

Are you the best multi sharp file to sharpen Zero Turn Lawn Mower blades is currently available on the market well then, find as our editors pick? In the first place, it is light in weight and gives a razor-sharp grass cutting edge.

best multi sharp file to sharpen Zero Turn Lawn Mower blades View on Amazon

Due to the manufacturer using heat-treated steel as the primary raw material, Multi Sharp Cylinder was our best overall machine-made Zero Turn Lawn Mower Sharpener File currently available on the market.

However, remember that you should wear protective eye equipment to sharpen Zero Turn Lawn Mower blades when using this file to prevent your eyes from staying with steel blade chippings.

Even more interesting is that this file is manufactured in the United States of America; hence, you are guaranteed to get your money back as per the warranty.

It also features a rubber-coated handle that makes it easier for you to sharpen walk, Zero Turn Lawn Mower, behind reel electric or gas-powered mower blades when working in rainy or misty weather. In addition, it was the only lawn mower sharpening file that features a swiss file pattern.

  • Durable
  • High-quality files
  • Easy to work with
  • Has quality debugging holes
  • 3D printing
  • Quality hand  finishing
  • Rust free
  • Non-slip handle
  • None

3. Allied Tools 12″ MILLED BASTARD Rear Engine Riding Mower Blade FILE Sharpener Review

Taking our third position is another  12 inches ” MILLED BASTARD  Rear Engine Riding Mower  Blade FILE  from  Allied Tools. It features a tang mechanism, which allows this file to remain a high performer when sharpening lawn mower blades with or without a handle.

Rear Engine Riding Mower  Blade FILE  View on Amazon

It uses a Half-round shape technology with a  prime one round side and one flat side making it our preferred editor picks of files for sharpening high and medium-lift mower blades. Even more amazing is that it is also lightweight and compatible with flat and curved blades to promote bagging and side discharge when mowing.

Moving on, this beast also comes with a premium American pattern grade file which does not only enhance  100% non-precision but, to a great extent, plays a vital role in material removal on the Rear Engine Riding Mower blade cutting edges.

This Rear Engine Riding Mower blade file also has double-cut and single-cut teeth, making both sharpening and even deburring enjoyable and efficient.

Unlike other files on our review, Allied Tools feature a military-grade  (bastard) coarseness that gives a wide range of Rear Engine Riding Mower blades, from stripping bagging to mulching a rough finish. All the blades offer a smooth and clean cutting that prevents the grass on your lawn from browning after mowing.

  • Easy to use
  • Comes with a quality handle
  • Free from rust
  • Quick to assemble
  • Manufacturer’s warranty
  • Heat-treated material
  • Runs for Long-Time
  • Relatively pricy
  • Manual file

4. Sharpal 121n Dual-Grit Diamond Push lawn Mower Blade Screwfix File Sharpener Review

Next, find a   Dual-Grit and a Screwfix grade diamond file for sharpening different Push lawn Mower blades from SHARP. In addition, other than being the only file on our review that comes from a stainless material, Sharpal is defined by a total    63~66HRC hardness of its entire file body.

BEST file for sharpening different Push lawn Mower blades View on Amazon

On the other hand, to improve the durability and immunity against rust and other corrosion conditions, Sharpal used a deeply quenched and coated texture mechanism when crafting this rasp file for Push lawnmower blades.

The technology is equally vital as it is the only reason why we found Sharpal file fine-grained texture to have the ability to offer unconditional Push lawn Mower lawn blade cutting performance when sharpening.

Thanks to the manufacturer for including a military-grade lawn mower blade file brush for cleaning the file before and after the sharpening procedure. Another benefit of this brush is that it improves the overall life expectancy of the Sharpal metal Push lawnmower than blade files.

It is also good to note that the construction mechanism of this file is was not only precise but intentional so that it can be compatible with home-based and heavy-duty lawn mower sharpening desire either.

Last,  Sharpal file also comes with a 100% Comfortable and Rubberized Handle technology. The handle is also ergonomically to a great extent fit on small, arthritic, and large hands.

Furthermore, the non-slip grip mechanism is why this Sharpal file is compatible with the armature, beginner to expert lawn more sharpening enthusiast, hobbyist, or homeowners. Besides coming with Dipped handles, this beast also comes with a firm grip that allows you to be in full control when sharpening your favorite Push lawn Mower blade brand.

  • compact roll-up case
  • Dual duty  file
  • Stainless steel
  • Gives detailed precision work
  • Portable file  design
  • Precise cutting mechanism
  • Requires frequent oiling

5. Crescent Nicholson 8″ Rectangular Double/Single Cut Electric Lawn Mower Blade File Review

Did not only take our fourth position but was also our expert-recommended best file for sharpening electric lawn mower blades on this list.

best file for sharpening electric lawn mower blades View on Amazon

It is a 100% American pattern lawn mower sharpening file. As a result, you are guaranteed to have your money back as per the warranty. On the other hand, it features a prominent double-cut side that, together with a military-grade single-cut side, makes sit compatible with rotary and reel mowers blades.

Furthermore, it is also an Ideal file for sharpening all kinds of lawn mower blades and a wide spectrum of other miscellaneous garden, yard, lawn, and allotments sharp tools.

Interestingly, it features a rectangular shape mechanism which plays a considerable role in creating a relatively large surface lawn with more blade sharpening and filing work area.

It is also a dual-duty product as it is a rough filing and finishing lawn mower blade file as it comes with Double-cut and single-cut mechanisms, respectively.

It is also the only film on our list with an overall length of eight inches, with the measurement of the handle being exclusive. With the overall Item Height being  0.25 inches, it is compatible with original, new, and replacement mower blades.

It comes from quality steel as the primary material. Because of this reason, this beast works effectively with both high lift blades for walking behind lawnmowers.

This beast is also amazing because it is compatible with a lawnmower blade sharpening at roughly a 45-degree angle, which gives a razor-sharp but butter knife-sharp grass cutting edge when mowing on wet or dry grass.

  • Rubber handle
  • Light in weight
  • 8-inch lawn mower file
  • Rust free
  • American brand
  • performance effective
  • Inclusive  of file  cleaning brush
  • Relatively expensive
  • Requires oiling

6.Bastard Cut Mill 8″ Inch Round Rotary Mower Blade File Sharpener Review

 Sixth on our list, find Bastard Cut Mill as the best file for sharpening rotary lawnmower blades. It is crafted from heat-treated steel material and is coated with quality power to prevent rust and corrosion.

best file for sharpening rotary lawnmower blades View on Amazon

In the last place, it comes with a quality BASTARD grade CUT FILE ROUND technology which gives your lawnmower blade a sharp cutting edge. On the other hand, this  Finder 8-inch round file comes with conspicuous single-cut teeth, thus compatible with wet and dry lawn mower blades.

It also comes with a considerably comfortable rubber grip. The plastic handle allows this file to be compatible with the large and small hands of a lawnmower blade sharpening enthusiast.

Furthermore, apart from being rust-free, this  8″ Inch Round Rotary Mower Blade File Sharpener with an anti-slip grip handle from Bastard Cut Mill also plays a considerable role in deburring and removing steel chipping from the lawnmower blade after sharpening.

The ERGONOMIC handle and overall file design also take your hand’s shape, thus offering a non-slip grip. Moreover, the rubber handle  DESIGN is vital as it prevents your hand from forming blisters.

It would help if you also thanked for making use of a military-grade rubber handle as it makes sharpening rotary lawn mower blades after a breakdown either in wet, rainy, rocky soil or in oil conditions.

It is also good to mention that the rubber handle results in precise and uniform sharpening ability, thus giving the rotary lawnmower blade a clear and razor-sharp cutting edge by minimizing impact and resistance when sharpening.

  • Wide application
  • ERGONOMIC handle
  • multipurpose sharpening file
  • Versatile
  • CUT FILE ROUND technology
  • corrosion-resistant
  • Multifunctional file
  • slightly expensive

7. Corona FE405510BC1CD Mill Bastard Cut Gas 10-Inch Lawn Mower Blade File With Handle Carded  Review

Our last position on this best file for sharpening gas lawnmower blade review is non-other than Mill Bastard Cut File from Corona.

best file for sharpening gas lawnmower blade View on Amazon

It is the only one-of-a-kind file on our review as it comes with a  100% Limited manufacturer and retail lifetime warranty. Hence, our editors pick the only budget Gas Lawn Mower and Self Propelled Mower Blade sharpening File on the market.

First, it comes with Superior Hardness military-grade Carbon, taken through an intense, precise heat treatment procedure. Because of this reason,  Mill Bastard Cut was also the best overall lawn mower file sharpener with a handle.

Furthermore, the heat treatment machine is the other reason behind the strength and hardness displayed by this blade when sharpening different types of lawnmower blades.

Even more amazing is the Superior Resistance technology of using  Chromium to improve its overall Abrasion and Corrosion immunity during the entire manufacturing process.

Regardless of whether you will be sharpening the lawnmower blade in oily or wet conditions, the  Superior Cutting Performance offered by this file is unconditional.

Actually, unlike all other files on our review, this Mill Bastard Cut File from Corona features a 100%   accurate tooth angle. The professional, precise forming of teeth makes the entire process of lawnmower effective and more convenient.

  • Consistent Quality
  • multifunctional brush Inclusive
  • Limited lifetime warranty
  • Abrasive resistant
  • Mill Bastard Cut File
  • stainless steel
  • Non-slip rubber handle
  • Portable lawnmower file
  • Oiling is a necessity

Wrap  Up

Bastard Cut Mill 8″ Inch and Crescent Nicholson 8″ Rectangular were the two  Best File For Sharpening Lawn Mower Blades on our review as they are not only easy to use but offer precise blade cutting ability when sharpening in.

Interestingly, the two file brands in terms of function and durability were also our winners. In addition, the manufacturers of the two files used chromium materials to improve durability and offer you a lifelong lawn mower sharpening and filing solution.

However, keep in mind that when selecting a quality file type to sharpen a lawnmower blade, you should consider going for brands immune from rust and corrosions.

So what is your go-to lawn mower blade file on our review? Let us know in our comment section.


"I'm a keen Horticulturist, passionate about home gardening, lawns, yards, and orchards. What's your favorite? Let's get to work!"

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