Are all 21 mower blades the same?
So, are lawn mower blades universal? Lawnmower blades are not universal, they are mower specific. A mower blade must be an exact fit and torqued to the manufacturer’s specification.
Will any lawn mower blade work?
The fact is that they are not. Different lawn mowers use different blades, and you will need to know the make and model of your mower to know what type of blade you need. Once you determine what type of blade you need, you can use your mower. You should make sure that your blades are clean and replace them every year.
Does brand matter for mower blades?
It is acceptable to use a different brand of blade, provided that the measurements correspond.
How often should mower blades be sharpened?
every 20 to 25 hours
This keeps your mower in good shape and helps to maintain a healthy lawn. However, if you mow more often, the blades will need more attention. On average, a mower blade should be sharpened after every 20 to 25 hours of use time.
How do you match lawn mower blades?
The easiest way to find replacement lawn mower blades is with the OEM number. The OEM number is the numerical part number of the blade assigned by the manufacturer. In most cases, just typing this number with the manufacturer name into a search engine or online store will be enough to bring up some promising results.
How much space do you need between mower blades?
Blades don’t physically overlap. If you put them tip to tip there should be 1/8 inch gap. You can set them 90 degrees at first but it won’t last long.
Are toothed mower blades better?
Toothed lawn mower blades are the ideal 3-in-1 blade as they offer the best of all three intended purposes. Using a toothed blade solely for mulching purposes may not be ideal since some toothed blades do not have the extended cutting edge.
How sharp should mower blades be?
Mower blades should be aggressively sharp, but not as sharp as a razor’s edge. You should be able to touch the blade with your hand without getting cut. Contrary to popular belief, a lawn mower blade with a razor sharp edge will not cut grass better.
Do you have to sharpen replacement mower blades?
As mentioned above, brand new lawn mower blades do not need to be sharpened because they are always sharpened during manufacturing. However, lawn mower blades do generally need to be sharpened at the beginning of each new season.
What is the best lawn mower blade?
Best Lawn Mower Blades. The Arnold Deluxe Universal Dethatching Blade for Walk-Behind Mowers is our choice for one of the best lawn mower blades, mostly because it takes the guesswork out of choosing between a discharging and mulching blade. With this blade, you can mulch, discharge, dethatch, cut, and more. For other great recommendations,…
How do you replace mower blades?
Wedge a scrap piece of wood between the mower blade and the mower deck so that the blade will not move. Spray the bolt that secures the blade to the mower with penetrating oil. Spray the bolt liberally and allow the oil to soak for two hours. Place a correct size socket wrench over the head of the bolt.
What metal are mower blades made of?
Made of high-carbon steel. John Deere mower blades are made of abrasion-resistant, high-carbon, nickel-alloy steel. This steel (commonly used for automotive leaf springs) has the hardness to be extremely resistant to wear and breakage.
What size are mower blades?
For riding mowers, always be sure that a blade is labeled for that specific machine. Push mower blades are typically between 20 inches and 22 inches long. Blades that will be used in damp environments should be resistant to rust.