You'll know that you need to sharpen your lawn mower blades when the tips of your grass are brown and ragged. When this happens, your grass becomes less capable of storing water and more susceptible to disease. Some lawn mower manuals suggest sharpening or replacing blades after every 25 hours of use.

Is it better to sharpen lawn mower blades or replace them?

Lawn mower blades are built for durability and can usually be salvaged with regular sharpening. However, if you notice large dents and chips on the edge that aren't smoothed out with a blade sharpener, it's time to invest in new blades. Yard debris can also wear down a blade over years, resulting in thin weak metal.

Is it worth sharpening lawn mower blades?

Mowing with sharp blades will also reduce your mowing time. Typically, most home owners just need to sharpen blades twice per season. One good sharpening at the beginning of the season and one around the middle of the mowing season should be good.

How do I know if I need a new mower blade?

Sometimes the easiest way to tell if there's a mower blade issue is looking at the blade itself. Blades can get damaged over time. If there are any sizable dents or if the blade is bent, it needs to be sharpened or completely replaced.

Does sharpening mower blades make a difference?

Do sharp mower blades make a difference? Yes, sharp blades make a difference-a huge difference, to say the least. When grass grows fast and becomes bushy during spring, only sharper blades will do a great cut with minimum strain on your lawnmower. You also realize faster mowing with sharp mowing blades.

Sharpen Mower Blades vs. Replace

Why are new mower blades dull?

The main reason that some people believe that new blades should be sharpened before use is due to the powder-coated paint finish that is applied to most replacement blades by the manufacturer. This finish is particularly thick around the blade's cutting edge and to the touch, it can make it feel like it's dull.

How do I know if my mower blade is dull?

A dull blade can make your lawn appear yellow, brown and raggedy. A dull lawnmower blade may even pull up portions of the grass because it actually pulls on the entire plant instead of slicing through the blades of grass cleanly.

How much does it cost to have lawn mower blades sharpened?

Depending on the type of your mower, you can expect to pay anywhere between 20 dollars to 60 dollars. If it's a reel lawn mower you might not even need to take the blades off the mower and sharpen them while they're attached.

How long should mower blades last?

On average, most mower blades last up to 100 to 200 hours under normal conditions. The number of hours can be as high as 400 if you use high-quality blades. When blades get dull, you can sharpen them with a grinder or metallic file, but the blade sharpening will only work for 2 to 3 times.

What does a worn out mower blade look like?

A good rule of thumb is to look at the tips of your lawn's grass blades a day or two after mowing. If they look ragged and torn, your blade is dull. After sharpening, check that your blade is balanced.

Should I replace my lawnmower blade?

For the average homeowner, a good rule of thumb is to replace your mower blades annually. Sharpening mower blades on a regular basis will prolong the life of your blades. Be sure to take protective measures if you sharpen your blades at home - wear protective gear and disconnect the spark plugs.

How often should I sharpen mower blades?

In general, sharpen twice per season or after 25 hours of use to keep your blades in good shape. Also, sharpen the blades after hitting rocks. Stone can easily dent or nick the blades. The lawn itself can also hint when you need to sharpen your mower blades.

Should mulching blades be sharp?

Mulching blades are supposed to be sharp so they can cut through grass, leaves, and other debris. Sharpen the mulching blades with a file until they easily cut through the grass, then tighten the blades onto the lawnmower's deck. The blades should be sharpened twice per season.

Does wet grass dull mower blades?

Wet grass doesn't dull lawn mower blades any more than grass that is bone dry does. It's simply a common (and incorrect) conclusion that people come to when they're cutting wet grass and not having the same level of success as in drier conditions.

Can a mower blade be too sharp?

In fact, an edge that is that sharp has the tendency to roll over, which can cause blades to get nicked and chipped. Additionally, lawn mower blades that are too sharp get duller, faster resulting in the need to sharpen more frequently and a shorter blade life.

Does Ace Hardware sharpen mower blades?

We sharpen a wide range of edges, from lawn mower blades to paper scissors, we're here to make your cutting experience safe and easy.

How do you sharpen a lawn mower blade without removing it?

1. Yes, you can sharpen a lawn mower blade without removing it. ...
2. Grind only the “top” side of the blade at a 45-degree angle. ...
3. Go in one direction: from the center out to the end of the blade. ...
4. Try to remove the same amount of material on both sides of the blade.

Do you sharpen both sides of a lawn mower blade?

Always sharpen from the top side of the cutting edge; this will give you the longest-lasting edge on the blade. Note: The file cuts in one direction only, on the push stroke; you'll feel it bite into the steel on the blade.

What is the best way to sharpen a lawn mower blade?

The fastest way to sharpen a lawnmower blade is with a bench grinder. Wearing protective eyewear, earplugs, and work gloves, grind the edge of the blade against the spinning wheel. It'll be loud and you'll see sparks, but you'll be able to sharpen the blade in a matter of a few minutes.

Are new mower blades already sharpened?

Do New Lawn Mower Blades Need to Be Sharpened? If your lawn mower is brand new, then there won't be any need to sharpen the blade. During the manufacturing process, mower blades are always sharpened, and new mowers come with sharp blades from the factory.

Why is my mower ripping the grass?

A rotary mower relies on the speed of the blade to give a good cut to the grass blade. Slow this down and the grass will be able to bend out of the way before cutting through. This may rip it, causing shredding and the white tips which you describe. If you notice grass ripping after mowing, sharpen your mower blades.

How sharp should mower deck blades be?

But, home and garden experts agree that for most people, the blades in your mower should be about as sharp as a butter knife, and an angle of about 30 degrees. You should be able to touch the edge without getting cut.

What's the difference between mulching blades and regular blades?

The primary difference between a mulching blade and a regular blade is shape. A mulching blade typically has a more curved profile than a regular blade, and it is also likely to have cutting edges along more of its surface than a regular blade does.

Do new mower blades need balancing?

Are New Lawn Mower Blades Balanced? While you should not sharpen new lawn mower blades, you should check to make sure they are balanced. Even though all of the new lawn mower blades I've bought have been balanced, it is worth checking.