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Finding The Best Lawn Mower Blade Sharpener In 2022

Last Updated: 06 June 2022

While using a lawn mower, whether gasoline or electric, it is important to monitor the condition of the cutting headset – a blade or blades (depending on the model). Regularly inspect the blade for integrity: damages, deformations and chips. Any violation of integrity affects not only the correct operation of the mechanism but also safety. A deformed or cracked knife can break at any time and debris can cause considerable harm to the rider! Also, the deformed cutting device rotates in imbalance with the engine, which directly affects the service life. Therefore, even if you do not see the deformation visually, but feel an increased vibration during operation, it would be better to stop the work immediately and contact the specialists if the vibration remains after lawn mower blade sharpening.

A simple knife replacement can help, but unfortunately not always! As a rule, deformation of a knife is a consequence of a blow against an obstacle. Most lawn mowers are designed so that the blade is attached to the engine master, by means of a coupling. And often when a blow can be bent not only the knife, but also the motor shaft.

By the way, do not try to level the cutting part! You are unlikely to succeed, the knives of lawn mowers are not just a metal strip. Virtually all of them have a special shape, for better mulching and ejection of grass. If you really want to give a second life to the cutting devices of your grass cutter, purchase a professional lawn mower blade sharpener, as it may solve all the issues.

Handy Home Master created for informational purposes only. Thus, we neither endorse you in any way to buy specific products in our reviews, nor making you act like it’s written in our guides. We are reserving the rights for you to make your personal decision.



Editor-in-Chief of the Handy Home Master
lawn mower blade sharpening

Reviews of TOP 10 Best Mower Blade Sharpeners

Best Overall: Top Quality Material - Work Sharp Knife & Tool Sharpener Review

Work Sharp Knife & Tool Sharpener
  • Sharpen every knife you own like a pro quickly, easily and with repeatable, consistent results. Creates the sharpest blades you've ever had!
  • Easily Replaceable Abrasive Grit Belts. Comes with premium abrasive belts to meet all your sharpening needs: Coarse (P80), Medium (P220) and Fine (6000). Abrasive belts won't burn or damage blade steel during sharpening.
  • Precision sharpening guides provide fast, easy, repeatable and consistent results. Kitchen Knife guide sharpens blades to a 40° angle – Outdoor Knife Guide sharpens to a 50° angle.
  • Can also be used to sharpen a wide range of bladed shop tools and lawn and garden tools such as Lawn Mower Blades, Garden Pruners, Shears, Shovels, Scrapers and more. Also makes the ideal hand held detail grinder
  • 1-year warranty – warranty only valid for North American 110v power source applications. Use of power converters for 220V not recommended. Can be run with 12V power inverter (min. 150 watt) from car, truck, RV, boat, etc.

Multipurpose: Ideal Shape - Lansky Lawn & Garden Sharpener Review

Lansky Lawn & Garden Sharpener
  • The Lawn & Garden Tool Sharpener is one of our most versatile stones. Its unique shape allows for multiple user-friendly access to sharpen nearly anything.
  • From Every Day Carry knives to the blades on your lawn mower, this sharpening stone will tackle it all.
  • Medium Grit (280) Alumina-Oxide Material
  • Unique Shape for Increased Versatility
  • Made in the USA

Sturdy Build: Work Sharp Blade Grinder Attachment Review

Work Sharp Blade Grinder Attachment
  • Crafted from the highest quality materials
  • Built for performance and durability
  • Made in United States

For Most Difficult Tasks: WEN Bench Grinder with Flexible Work Light Review

WEN Bench Grinder with Flexible Work Light
1,278 Reviews
WEN Bench Grinder with Flexible Work Light
  • 2.1-Amp motor
  • 3450 RPM at no load
  • 6 in. by 3/4 in. wheels, 1/2 in. arbor size
  • Lightweight design weighs in at 16 lb.Lamp:120V, 40W (Bulb not included)
  • Worklight for maximum precision and visibility

For Quick Sharpening: Nicholson Rectangular Double/Single Cut Axe File Review

Nicholson Rectangular Double/Single Cut Axe File
  • American pattern axe sharpening file with a double-cut side and a single-cut side
  • Ideal file for sharpening axes and miscellaneous garden tools
  • Rectangular shape has a large surface area for faster filing work
  • Double-cut on one side for rough filing and single-cut on the opposite for finishing
  • This file has two safe edges to work easily in restricted confines without damage

Versatile: SHARPAL Multi-Sharpener & Garden Tool Sharpener Review

SHARPAL Multi-Sharpener & Garden Tool Sharpener
  • VERSATILE – The most versatile sharpener in the market to sharpen and hone both single and double beveled blades including knife, mower blade, pruner, loppers, hedge shears, axe, machete, hatchet, scissors, edged tool, etc.
  • SUPERIOR SHARPENING PERFORMANCE – As blades vary from different angles, shape, single or double bevel, etc., to fulfill the best sharpening performance for each blade / tool edge, this item is constructed of 5 sharpening parts including 3 different slots of preset optimal sharpening angle, one specially designed tungsten carbide bar, and one ceramic bar.
  • DURABLE – All sharpening abrasive materials pass 10,000 times field use test. NEVER WEARS OUT
  • SAFE & COMFORTABLE USE – Oversized handle allows for use with gloves. Large hand guard to protect your hands from hurting by blades. Rubber over-molded handle and base provide secure and comfortable grip.
  • 3 YEARS Warranty and Superior After-Sale Service: Sharpal headquarters in CA, US with overseas branches in Germany and Australia, aiming at providing consumers with an easy and cost-effective way to obtain a sharp edge. Manufactured and field-tested to the highest standards.

Easy To Use: American Lawn Mower Company Sharpening Kit Review

American Lawn Mower Company Sharpening Kit
  • Push blade lawn mower sharpening kit to maintain the cutting power of the blades
  • Save time and effort when using your manual reel lawn mower by keeping the blades in their peak cutting condition
  • Do-it-yourself sharpening kit that you can use in the comfort of your home
  • Compound sharpening kit that contains grinding compound, application brush, and back-lapping crank
  • Designed for use with Great States, American Lawn Mower, Earthwise, and Scotts manual push lawn mowers

Perfect To Use With Drill: Bladebizz Lawn Mower Blade Sharpener for Drills Review

Bladebizz Lawn Mower Blade Sharpener for Drills
  • PACKAGE INCLUDED – 4 PCS Lawn Mower Blade Sharpener and 1 PCS Lawn Mower Blade Balancer for 42-100 Model
  • HIGH QUALITY - This sharpener is made of corundum, Strong and Durable, quality item which will last long
  • SIZE - 50 x 47 mm/ 1.97 x 1.85 inch (DL), fit for most of power drills, the lawn mower blades sharpener are designed with prefect spinning balance.
  • EASY TO USE and WIDELY APPLICATION - 1/4" shank fits any power drill .For sharpening lawn blade, drill blade, mower, sickle bar cutter, roto tillers, hoe and so on
  • Lawn Mower Blade Balancer: The balanced blade is compatible with model 42-100, can quickly test mower cutter balance, according to different diameter cutter, you can choose different diameter steps on the cutter holder for balance test

Simple & Effective: Arnold Mower Blade Sharpener Review

Arnold Mower Blade Sharpener
  • Arnold blade sharpener
  • Fits any 1/4" or 5/8" electric drill
  • Sharp blades ensure clean cut for a healthy lawn
  • Gives you a sharp edge in minutes

Vibration-free Operation: Arnold Lawn Mower Blade Balancer & Sharpener Kit Review

Arnold Lawn Mower Blade Balancer & Sharpener Kit
  • Includes 1 Arnold BSK-1 Lawn Mower Blade Balancer & Lawn Mower Blade Sharpener Kit
  • Compatible with lawn mower and tractor blades including zero turn riding mowers
  • MTD Genuine Parts are made for MTD’s family of brands including Troy-Bilt, Yard Man, Arnold, Remington, Yard Machines, Columbia, Murray, Robomow, and more.
  • MTD brands, products, and parts are backed by a strong network of MTD sales, service, and support.
  • Founded in Cleveland, Ohio in 1932, MTD Products Inc is a leader in the design and manufacture of outdoor power equipment such as lawnmowers and snow blowers.

Buyer’s Guide: All You Need To Know About The Best Lawn Mower Blade Sharpeners

How to Choose the Best Lawn Mower Blade Sharpener

If you are in the process of choosing the best lawn mower blade sharpener, be prepared to take the right and cost-effective decision. Do not play games with such a tool as a wrong choice can lead to huge losses. Below are several factors that should be considered when choosing the right tool for sharpening the lawnmower blades.

Sharpening Speed

First of all, pay attention to the speed of work. Please note that excessive speed does not always help to achieve the necessary results. In case the speed is too high, it may cause overheating or the knife can be spoiled.

The ideal speed of the grinding machine should be related to the edge that you will sharpen. Work at a moderate speed won’t hurt the device. Therefore, determine the maximum-necessary speed and work within it. In this case, you will avoid many problems.

Quality of Materials

Make sure that the best lawn mower blade sharpener you are about to purchase is of high quality. Low-quality lawm mower sharpeners will turn the equipment into unusable. Instruments of high quality usually cost more, and this is the case when you can overpay.

Safety of Use

Mechanical Lawn Mower Blade Sharpeners

Make sure that the sharpener is safe to use. Friction that occurs when sharpening the blades can be dangerous and can be injured. One single mistake in choosing can lead to terrible consequences. If you choose a high-quality equipment, you will also save your life and money as a result.

Note that in the process of sharpening, there could be sparks, which can get into the eyes. Try to protect yourself as much as possible.

Size of the Engine

If you opted for a motorized best lawn mower blade sharpener, you need to know that they come in three types – 4, 6 and 8 inches. Even a beginner can learn how to use them without any problems. A large-sized sharpener is suitable for blades that are made of steel or brass. Be prepared to overpay, but it’s worth it.

Simplicity in Use

Make sure that the sharpener you are buying is perfect for you. For example, there are separate options for the left-hander, for the right-hander and universal. For the most part, all tools are designed to protect the back of the user from possible pain. This means that you will not get tired and won’t catch any injuries while working. Therefore, it is worth choosing the best lawn mower blade sharpener for your dominant hand in terms of your own comfort and safety. This device will last you a very long time.


The blades of the mower sooner or later become blunt, and the new ones are very expensive. Therefore, in order to save on possible costs, it is best to follow the blades immediately and buy a lawn mower, the blades of which can be sharpened. With proper maintenance, self-sharpened blades will serve forever.

Do not forget to clean the lawnmower in time after work and avoid cheap options while trying to buy the best lawn mower blade sharpener.

Types of Lawn Mower Blade Sharpeners

All the devices used for blade sharpening can be divided into two large categories – electric and mechanical. Each has its advantages and disadvantages, which you need to take into account.

Electric Lawn Mower Blade Sharpeners

Electric Lawn Mower Blade Sharpeners

Electric sharpeners are very efficient and therefore most often used in companies who offer the services of mower blades sharpening. They provide quick results without any specific efforts.

There are electric sharpeners with single and double sided sharpening, designed to work with Asian and European knives. In addition, some models perform grinding in 2 or 3 stages.

Mechanical Lawn Mower Blade Sharpeners

As for mechanical professional sharpeners, they work more slowly and are recommended to users without much experience in working with similar tools. A big plus of such sharpeners is autonomy and mobility.

The Best Lawn Mower Blade Sharpener. Final Advice

Work Sharp Knife & Tool Sharpener is the best lawn mower blade sharpener 2022 based on HandyHomeMaster review. It is very popular among people who want to sharpen their cutter’s blades quickly and effectively. Moreover, it will make your life easier and will give a second chance to your favorite garden device. This lawn blade sharpener comes with a perfect 1-year warranty. It doesn’t matter which type and size of the blade you have because this best sharpener fits all of them. If you choose this tool, you’ll be sure that you found the best way to sharpen lawn mower blades.

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In order to sharpen the the best lawn mower blade, follow the steps below:

  • Take the blade out of the mower..
  • Remove all the rust with a steel brush..
  • Choose a solid working area.
  • Use a grinder for a damaged blade.
  • Run the blade perpendicular to the grinding wheel.
  • Hold it at a necessary angle.
  • Balance the blade.
  • Check the results!

In case if your mower blades became blunt, it’s high time to use a bench grinder in order to sharpen them well. The best grinding wheel in our review is Oregon 88-023. Don’t firget that you may also learn how to sharpen mower blades by hand.

If you use a grinder to sharpen the lawn mower blades you need to put a minimal pressure on the knife to prevent grinding off much of the cutting edge at once. It is recommended to follow the original angle by means of moving the edge along the grinder and dipping it into the water step by step.

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