[Solved] Lawn Mower Blade Nut Size Chart

lawn mower blade nut size

Having enough info of lawn mower blade nut size is required if you are making plans to replace the nuts. Well, I highly recommend keeping the mower blades healthy with constant workability.

However, sometimes you may need to adjust them, too. Aren’t you already confused about why the lawn mower blade nut sizes are different?

Lawn mower blade nuts sizes are found different because of lawn mower brand, lawn mower type, deck size and lawn mower blade size.

Well, another essential idea is the lawn mower blade nut size and without it, the blades are of no use. For that reason, the article has got your back and designed everything regarding the matter.

So, why don’t you jump into the discussion?

All Lawn Mower Brands Blade Nut Size

As you are searching for the lawn mower blade nut size, you must have the idea that not all mowers have the same kind of blade nut or the same materials.

So, take a look at the size list of different brands of lawn mower blade nut.

SerialLawn MowersBolt Nut Size
1John Deere12mm×1.250mm
2Cub Cadet5/8 inches
3Briggs and Stratton9/16 inches
4Bad Boy5/8 inches
5Craftsman5/8-18 inches
6Ryobi5/16-18 inches

Why the Lawn Mower Blade Nuts Sizes Are Different?

While observing the lawn mower blade nut sizes, anyone can have a question in mind. And that is the difference between the nut sizes and why there are so many size varieties.

Well, some facts are here that show the diversity between the nut sizes. To clear your confusion, I included them in this part.

 So, make a short stay and see the details.

1. Lawn Mower Brand

The most influential fact is the lawn mower brand and certainly, the market is fraught with many brands. I guess also you know that the lawn mowers of a brand are much different from the others.

And, that’s why due to many changes, the blade nut size does not match with all brands.

2. Lawn Mower Type

Another effective reason is the lawn mower type and there are so many variants of lawn mowers including push mower, zero turn, riding and so on.

From the functions to internal parts, they are unique from each other. And, the same goes for their blade nut sizes.

3. Deck Size

The deck size of a lawn mower depends on the mower type and how big it is. As the deck size varies from mower to mower, the blade nuts sizes also vary.

4. Mower Blade Size

All parts of lawn mowers are related to each other and you are already noticing that. The deck size and the mower blade size are much connected to each other.

For that reason, not all mower blades demand a fixed nut size and each of them has their specific preference.

What is a Mower Blade Nut?

Answer: A mower blade nut is a metal part that is round in shape and has a hole in the middle. This nut is used in the mower blades and specifically designed to secure the tension of mower blade bolts of different sizes. And therefore, the nuts also come in diverse sizes.

What Holds the Blade on a Lawn Mower?

Answer: The mower blade nut holds the blade on a lawn mower. It doesn’t work alone and gets the mower blade bolts in it. They work together to keep the blades in position and ensure the proper rotation of the blades.

The Verdict

On the whole, also you can not deny the importance of learning about the lawn mower blade nut size. As the nuts are made of metal, they can get bad due to rust and stuck, too.

Or, their tensions can get misadjusted or not functioning well with the mower blades. At that time, you have to work on them manually and their specific sizes can assist you in finding the compatible ones for your mower blades.

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Scott McFadden

Hi! It's Scott McFadden. I'm obsessed with farming. All my life I grew up around my grandfather and his farmhouse. I cannot put in words how they inspired me to farm. From taking care of cows to looking after our gardens I have learned a lot. It would be a real pleasure if I get to share this with you.

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