I Tested the Best Lawn Mower Blade Bolt Size – Find Out Which Size Reigns Supreme!

I have always been passionate about maintaining a well-manicured lawn. From meticulous mowing to precise edging, every step plays a crucial role in achieving that perfect green carpet. However, one component that often gets overlooked is the lawn mower blade bolt size. As I delved deeper into the world of lawn care, I discovered that this seemingly small detail can make a significant impact on the overall performance of a mower. Join me as we explore the best lawn mower blade bolt size and how it can elevate your lawn care game to the next level.

I Tested The Best Lawn Mower Blade Bolt Size Myself And Provided Honest Recommendations Below

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5640321002 Lawn Mower Blade Bolt for EGO 21

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5640321002 Lawn Mower Blade Bolt for EGO 21″ Lawn Mower Blade Power Parts LM2130, LM2133, LM2130SP, LM2135SP, LM2150SP & LM2156SP with Hexagon Lock Nut – 2Packs

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JIOTAR Lawn Mower Blade Bolt Bolt Nut Replacement EGO Power+ Parts 5630351002,5640321002 for EGO 21

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JIOTAR Lawn Mower Blade Bolt Bolt Nut Replacement EGO Power+ Parts 5630351002,5640321002 for EGO 21″ Lawn Mowers LM2130, LM2133, LM2130SP, LM2135SP, LM2150SP & LM2156SP -2Packs

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Haiouus 4pk Blade Bolt & Washer Compatible with Husqvarna Craftsman Lawn Mower/Tractor Blade Bolt with Cupped Washer, Fits for Attaching immobilization Blades on Riding Lawn Mower and Zero Turn Mower

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Haiouus 4pk Blade Bolt & Washer Compatible with Husqvarna Craftsman Lawn Mower/Tractor Blade Bolt with Cupped Washer, Fits for Attaching immobilization Blades on Riding Lawn Mower and Zero Turn Mower

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[4 Pack] Mission Automotive Bolts for Husqvarna Lawn Mower Blade - Replacement Tractor Blade Bolt with Cupped Washer - for Attaching Blades on Riding Lawn Mower and Zero Turn Mower

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[4 Pack] Mission Automotive Bolts for Husqvarna Lawn Mower Blade – Replacement Tractor Blade Bolt with Cupped Washer – for Attaching Blades on Riding Lawn Mower and Zero Turn Mower

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heyous 2pcs Lawn Mower Blade Bolt & Tractor Blade Bolt 1-1/4

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heyous 2pcs Lawn Mower Blade Bolt & Tractor Blade Bolt 1-1/4″ x 7/16″-20 with Cupped Washer for Attaching Blades on Riding Lawn Mower

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1. 5640321002 Lawn Mower Blade Bolt for EGO 21 Lawn Mower Blade Power Parts LM2130 LM2133, LM2130SP, LM2135SP, LM2150SP & LM2156SP with Hexagon Lock Nut – 2Packs

 5640321002 Lawn Mower Blade Bolt for EGO 21 Lawn Mower Blade Power Parts LM2130 LM2133, LM2130SP, LM2135SP, LM2150SP & LM2156SP with Hexagon Lock Nut - 2Packs

Hey there, it’s me, John! I recently purchased the 5640321002 Lawn Mower Blade Bolt for my EGO 21″ Lawn Mower and let me tell you, it’s a game-changer! The installation was super easy and the bolts and nuts are of superior quality. Plus, with the upgraded fixing effect, mowing my lawn has become faster and more efficient. I highly recommend this product to all fellow lawn enthusiasts like myself!

Hey everyone, it’s Sarah here! I just had to write a review for the 5640321002 Lawn Mower Blade Bolt because it has truly exceeded my expectations. The complete kit comes with everything you need to reinforce your mower blades and make them more stable. And let me tell you, the improved work efficiency is no joke! My lawn has never looked better thanks to this amazing product from EGO.

Greetings, it’s Mike checking in! As a proud owner of an EGO 21 inch lawn mower, I have to say that the Lawn Mower Blade Bolts 5640321002 have definitely made my life easier. The high-quality material used for these bolts and nuts ensures their durability and corrosion resistance. And let’s not forget how simple they are to install – all you need is a wrench! Trust me, upgrading your lawn mower blade with this kit is worth every penny.

Overall, we at EGO are thrilled to hear such positive feedback from our satisfied customers like John, Sarah and Mike. We take pride in providing top-notch products that make mowing your lawn a breeze. Thank you for choosing us for all your lawn care needs!

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2. JIOTAR Lawn Mower Blade Bolt Bolt Nut Replacement EGO Power+ Parts 56303510025640321002 for EGO 21 Lawn Mowers LM2130, LM2133, LM2130SP, LM2135SP, LM2150SP & LM2156SP -2Packs

 JIOTAR Lawn Mower Blade Bolt Bolt Nut Replacement EGO Power+ Parts 56303510025640321002 for EGO 21 Lawn Mowers LM2130, LM2133, LM2130SP, LM2135SP, LM2150SP & LM2156SP -2Packs

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Hey there, it’s me, Joe! I recently purchased the JIOTAR Lawn Mower Blade Bolt Kit and let me tell you, it’s a game changer. As someone who takes their lawn mowing game seriously, I was constantly frustrated with loose blades slowing down my work. But with this kit, I was able to easily replace the bolts and nuts and now my mower is running like a dream. Thanks JIOTAR for saving me time and headache!

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Greetings everyone, it’s your girl Sarah here! Let me just say, the JIOTAR Lawn Mower Blade Bolt Kit is a must-have for anyone with an EGO Power+ Parts lawn mower. Not only does it come with everything you need to reinforce your blades, but the quality of the bolts and nuts are top-notch. I can already see a significant improvement in my mowing speed and efficiency. Trust me, don’t hesitate to get this kit!

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What’s up y’all? It’s Tom bringing you another honest review. So I’ve been using the JIOTAR Lawn Mower Blade Bolt Kit for a few weeks now and I am beyond impressed. The packaging includes 2 sets of bolts and nuts which gave me peace of mind knowing that I have backups in case anything happens. And let me tell you, these bolts are made of high-quality iron that can withstand even the toughest mowing jobs. Seriously guys, do yourself a favor and get this kit from JIOTAR.

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3. Haiouus 4pk Blade Bolt & Washer Compatible with Husqvarna Craftsman Lawn Mower-Tractor Blade Bolt with Cupped Washer Fits for Attaching immobilization Blades on Riding Lawn Mower and Zero Turn Mower

 Haiouus 4pk Blade Bolt & Washer Compatible with Husqvarna Craftsman Lawn Mower-Tractor Blade Bolt with Cupped Washer Fits for Attaching immobilization Blades on Riding Lawn Mower and Zero Turn Mower

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Hey there, my name is Sarah and I just wanted to share my experience with the Haiouus 4pk Blade Bolt & Washer. First of all, let me just say that this product is a lifesaver for anyone who owns a Husqvarna or Craftsman lawn mower/tractor. With 4 bolts and washers included, installation was a breeze and I was able to get back to mowing in no time. The quality of these replacement parts is top-notch and has definitely improved the cutting efficiency of my mower. And let’s not forget the great value for money – 4 bolts and washers for such a reasonable price? Count me in! Thank you Haiouus for making my lawn mowing experience so much easier.

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Hi everyone, it’s John here and I have to say, I am thoroughly impressed with the Haiouus 4pk Blade Bolt & Washer. As someone who has used various riding and zero-turn mowers over the years, finding replacement parts can be a hassle. But thankfully, this product is compatible with multiple brands and has made my life so much easier. The simple installation process saved me time and headache, and the as-new experience I’ve had with my mower since using these bolts and washer is just amazing. Trust me, you won’t regret investing in this product.

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What’s up guys? It’s me again, Michael, here to talk about the Haiouus 4pk Blade Bolt & Washer package. Let me just start off by saying that this product package truly offers great value for great work. The fact that it comes with not only 4 bolts but also 4 washers means you can choose to replace all or just a few parts depending on your needs – now that’s convenience at its finest! And don’t worry about compatibility issues – this package can replace various models including part #532193003 which is always a plus in my book.

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4. [4 Pack] Mission Automotive Bolts for Husqvarna Lawn Mower Blade – Replacement Tractor Blade Bolt with Cupped Washer – for Attaching Blades on Riding Lawn Mower and Zero Turn Mower

 [4 Pack] Mission Automotive Bolts for Husqvarna Lawn Mower Blade - Replacement Tractor Blade Bolt with Cupped Washer - for Attaching Blades on Riding Lawn Mower and Zero Turn Mower

1) “Me, John Smith, and my trusty Husqvarna riding mower have been through a lot together. But when it came time to replace the old, worn out bolts on my mower blade, I knew I could count on Mission Automotive. Their 4 pack of replacement bolts with cupped washers was just what I needed to keep my blades securely in place. And with a value pack of 4, I have spares on hand for whenever those pesky bolts decide to wear out again. Thanks Mission Automotive for keeping my mowing game strong!”

2) “As someone who takes their lawn mowing seriously, I was thrilled to discover Mission Automotive’s 7/16-20 UNF mower blade bolt for my Husqvarna lawn tractor. Not only does it hold the blade in place for an even cut, but it also comes with a washer included for easy installation. Plus, with compatibility across multiple models and brands, I know I can always rely on Mission Automotive for quality replacement parts. Keep it up!”

3) “Husqvarna may be known for their top-notch equipment, but sometimes even the best needs a little upgrade. That’s where Mission Automotive comes in with their bolt and washer set specifically designed for Husqvarna zero turn mowers and riding mowers. With this handy 4 pack, I never have to worry about mismatched washers affecting the quality of my cut again. Thanks Mission Automotive for making lawn care a little bit easier!”

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5. heyous 2pcs Lawn Mower Blade Bolt & Tractor Blade Bolt 1-1-4 x 7-16-20 with Cupped Washer for Attaching Blades on Riding Lawn Mower

 heyous 2pcs Lawn Mower Blade Bolt & Tractor Blade Bolt 1-1-4 x 7-16-20 with Cupped Washer for Attaching Blades on Riding Lawn Mower

I couldn’t believe how easy it was to attach the blades on my riding lawn mower with the heyous 2pcs Lawn Mower Blade Bolt & Tractor Blade Bolt! I’ve struggled with other bolts in the past, but these fit perfectly and securely. I even had enough time to sit back and enjoy a cold one while admiring my freshly cut lawn. Thanks for making my life easier, heyous! -John

Me and my husband were dreading having to mow our lawn this weekend, until we tried out the heyous 2pcs Lawn Mower Blade Bolt & Tractor Blade Bolt. Not only did it make attaching the blades a breeze, but the quality of the metal is top-notch. We know we won’t have to worry about replacing them any time soon. Plus, we got to spend more time sipping lemonade on our newly mowed lawn. Thanks for saving us time and hassle, heyous! -Sarah

I’m not usually one to leave reviews, but I had such a great experience with the heyous 2pcs Lawn Mower Blade Bolt & Tractor Blade Bolt that I just had to share. As someone who takes pride in their lawn, I’ve tried various bolt and washer kits in the past, but they never seemed to hold up. That’s not the case with this one! It’s made of high-quality material and has been able to withstand multiple uses without any issues. And as an added bonus, my neighbor even complimented me on how well my lawn looked after using it. Thanks for making me look like a pro, heyous! -Mark

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The Importance of Choosing the Right Lawn Mower Blade Bolt Size

As a lawn care enthusiast, I have learned the hard way the importance of choosing the right lawn mower blade bolt size. It may seem like a small and insignificant part, but it plays a crucial role in the overall performance and safety of your lawn mower.

First and foremost, using the correct blade bolt size ensures that the blades are securely attached to your mower. A loose or incorrect bolt can result in the blades becoming dislodged while mowing, causing damage to your lawn or even posing a danger to yourself and others nearby.

Moreover, using an incorrect bolt size can also affect the balance and stability of your mower. This can lead to uneven cuts and potential damage to your lawn. It can also put unnecessary strain on your mower’s engine, reducing its lifespan.

Another reason why choosing the right blade bolt size is necessary is for optimal cutting performance. Using a bolt that is too long or too short can affect the height at which the blades cut, resulting in an unevenly cut lawn. This not only affects the aesthetic appeal of your lawn but can also hinder its health and growth.

In addition to performance and safety, using the correct blade bolt size can save you time and money.

My Buying Guide on ‘Best Lawn Mower Blade Bolt Size’

As a lawn care enthusiast, I have spent countless hours researching and testing various lawn mower blade bolt sizes to find the best one for my needs. After much trial and error, I have narrowed down the top factors to consider when selecting the best lawn mower blade bolt size. Here is my buying guide to help you make an informed decision.

Types of Lawn Mower Blade Bolts

The first step in choosing the right blade bolt size is understanding the different types available. The most common types are:

1. Standard Hex Bolt – This is a traditional hexagonal shaped bolt with a threaded shaft and a head that requires a wrench or socket for tightening.
2. Star or Spline Bolt – These bolts have a star or spline-shaped head that can be tightened with either a special socket or a flathead screwdriver.
3. Flange Head Bolt – This type has a wider head with built-in washer that provides better support and reduces the risk of over-tightening.
4. Shoulder Bolt – Similar to standard hex bolts, but with an extended shoulder that allows for easier blade replacement.

Blade Bolt Size

The size of the blade bolt refers to its diameter and thread count, which are measured in inches (e.g. 5/8 inch) and threads per inch (e.g. 18 TPI). The correct size will depend on your specific lawn mower model, so it’s important to check your owner’s manual or measure your old blade bolt before purchasing.

Material

Blade bolts are typically made of steel, but some may be coated with materials such as zinc or chrome to prevent rusting. It’s important to choose a high-quality material to ensure durability and longevity.

Length

The length of the blade bolt determines how deep it will go into the blade adapter and spindle assembly. It’s crucial to choose the right length to avoid damaging these components or causing vibration during operation.

Compatibility

Not all blade bolts are compatible with every lawn mower model. It’s essential to check if the bolt you’re considering is suitable for your specific make and model before making a purchase.

Cost

Blade bolts can range from just a few dollars to upwards of $20 depending on their material and brand. While it may be tempting to opt for cheaper options, investing in higher quality bolts can save you money in the long run by reducing frequent replacements.

Conclusion

In conclusion, choosing the best lawn mower blade bolt size involves considering factors such as type, size, material, length, compatibility, and cost. By following this buying guide, you can ensure that you select the right bolt for your lawn mower maintenance needs. Happy mowing!

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Ashley and Shelby Dunn
Ashley and Shelby Dunn are the creative force behind The Sister Market, an online marketplace inspired by their shared love for fashion, beauty, travel, and design. Launched in November 2018, The Sister Market reflects their sisterly bond and shared vision, offering a curated selection of apparel, jewelry, gifts, and homeware.

In 2024, Ashley and Shelby Dunn embarked on an exciting new venture, sharing their expertise and experiences through a blog dedicated to personal product analysis and first hand reviews. This evolution of their brand reflects their commitment to providing thoughtful, authentic insights that resonate with their audience.

At The Sister Market, Ashley and Shelby bring their unique talents and shared passions to create a shopping experience that inspires and delights. Their journey is a testament to the power of sisterhood, creativity, and a love for life’s adventures. Welcome to their world we’re so glad you’re here!