How To Sharpen A Mower Blade: 5 Ways Compared

How to sharpen mower blades yourself at home in the comfort of your own garage. This video will save you money every year teaching you how to get your lawnmower blades sharp without taking them to your local service shop or replacing them more often than necessary.

In this video I show how I've tested a variety of ways to sharpen the blades of my mowers and settled on my preferred method using a bench vise and a cordless angle grinder.

I recommend using a basic blade stop to both remove and reinstall your mower blade safely and a ultra cheap blade level to make sure it's balanced before installing your freshly sharpened blade.

Here are the three tools I couldn't recommend more:

► Blade Stop Tool: https://www.amazon.com/gp/product/B07...
► Blade Balancer Tool: https://www.amazon.com/gp/product/B00...
► Bench Vise: https://www.amazon.com/gp/product/B08...

The angle grinder I use is a cheap Ryobi model I bought at my local Home Depot. Just make sure you use one with a general metal grinding bit.

If I were to buy a different model online today I'd probably go for the Milwaukee M18 angle grinder because it uses the same battery system as the M18 switch tank 4-gallon lawn sprayer. https://www.amazon.com/Milwaukee-2780...

It's not the cheapest grinder but it's in the same M18 battery system as other useful tools and is very well reviewed by tool enthusiasts.

The two alternative blade sharpening tools I tried and don't recommend are the grinding stone drill attachment bits or the Sharpal all-in-one blade sharpening tools both of which you can see below out of morbid curiosity.

► Grinding Stone Drill Bits: https://www.amazon.com/gp/product/B08...
► Sharpal All-In-One Tool Sharpener: https://www.amazon.com/gp/product/B01...

To be fair, the Sharpal is probably a great tool for things like shears, pruners, and knives (etc.) but I just can't recommend it for mower blades.

I recommend keeping your mower blades crazy sharp to improve the look of your lawn but also to improve disease resistance because cleanly cut grass blades won't succumb to disease as easily.

► Make sure to see the following article for more info on how to improve your chances of avoiding lawn diseases: https://turfmechanic.com/what-does-po...

► I also recommend taking a close look at my lawn care guides here to go deep on many different lawn care topics: https://turfmechanic.com/guides/

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