Best Lawn Mower Blades of 2025

Toby Butcher Avatar
Toby Butcher
Last Updated: 2 Feb 2025

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Lawn mower blades are essential components of any lawn mower, as they are responsible for cutting the grass to the desired length. These blades come in a variety of sizes and shapes, depending on the model of the lawn mower and the type of grass being cut. They are typically made of high-quality steel or other durable materials, and are designed to withstand the rigours of regular use. Properly maintained lawn mower blades can help ensure a clean and even cut, which is essential for maintaining a healthy and attractive lawn.

At a Glance: Our Top Picks

Bosch Replacement Blade for Rotak 34 Models Cover #TOP 1
Bosch Replacement Blade for Rotak 34 Models
ftb score rating icon 9.9
Mountfield 44cm Lawn Mower Blade Part 181004365/3 Cover #TOP 2
Mountfield 44cm Lawn Mower Blade Part 181004365/3
ftb score rating icon 9.8
ALM Hoversafe Lawn Mower Plastic Blades Cover #TOP 3
ALM Hoversafe Lawn Mower Plastic Blades
ftb score rating icon 9.6

Top 10 Lawn Mower Blades

#TOP 1

Bosch Replacement Blade for Rotak 34 Models

F016800271
colour
Bosch Replacement Blade for Rotak 34 Models Cover
Bosch F016800271 Replacement Blade for Rotak 34/34GC (Old Version) Lawn Mowers

The Bosch Rotak Replacement Blade is designed specifically for the Rotak 340ER and 34R electric lawnmowers. This genuine replacement blade comes with a bolt and washer, ensuring a secure fit. It is engineered to cut grass cleanly rather than ripping it, which promotes a healthier lawn. Additionally, the blade's strength reduces strain on the motor, enhancing its efficiency, even in challenging conditions. By using this blade, you can enjoy a more effective mowing experience.

What We Like
Genuine Bosch quality
Enhances mower efficiency
Reduces motor strain
Clean grass cutting
Fits multiple models
#TOP 2

Mountfield 44cm Lawn Mower Blade Part 181004365/3

44cm
Mountfield 44cm Lawn Mower Blade Part 181004365/3 Cover
Mountfield SP454 (B&Q) SP474 / HP454 /HP184 /HP185 / SP185(Screwfix) 44cm lawnmower blade Part 181004365/3

The Mountfield Lawn Mower Blade is a genuine GGP replacement part that ensures durability and high performance for your lawnmower. By opting for original parts, you can maintain your machine's efficiency and extend its lifespan. This blade is designed with an exact fit for Mountfield products, guaranteeing optimal cutting results. Using genuine parts also simplifies the maintenance process, making it easier for you to achieve a well-kept lawn without unnecessary complications.

What We Like
Durable and high performance
Designed for exact fit
Maintains machine efficiency
Simplifies maintenance process

ALM Hoversafe Lawn Mower Plastic Blades

Alm
ALMQT028
Multi
ALM Hoversafe Lawn Mower Plastic Blades Cover
ALM Lawn Mower Plastic Blades Hoversafe

The ALM Hoversafe Blades are designed with convenience in mind. These clip-on blades make it easy for you to change or replace them without hassle. Made from robust plastic, they offer durability and are built to last, ensuring you won't need frequent replacements. This longevity means you can enjoy a well-manicured lawn without worrying about blade wear. With their lightweight design, these blades help you manoeuvre your mower effortlessly, making your lawn care routine much simpler.

What We Like
Easy clip-on design
Durable plastic material
Long-lasting performance
Lightweight for easy handling
#TOP 4

Draper 400mm Lawn Mower Blade for Pristine Cutting

12285
multi
Draper 400mm Lawn Mower Blade for Pristine Cutting Cover
Draper 400mm Lawn Mower Blade | Grass Cutting | Gardening Spare Parts | 12285

The Draper 400mm Blade is designed to deliver precision cuts, ensuring your lawn looks immaculate. Its high-quality construction provides durability, allowing you to rely on it season after season, regardless of how often you mow. Installation is a breeze, meaning you can quickly replace your old blade without hassle. This efficient design gets you back to mowing in no time, making your gardening tasks easier and more enjoyable.

What We Like
Precision cutting for a neat lawn
Durable for long-lasting use
Quick and easy installation
#TOP 5

Bosch Replacement Blade for Rotak 37 Series

F016800272
Bosch Replacement Blade for Rotak 37 Series Cover
Bosch Replacement Blade for Rotak 37/ Rotak 37 Ergoflex

The Bosch Rotak 37 Blade ensures your lawnmower operates at peak cutting efficiency. Its high-quality, sharp design allows for clean cuts, making lawn maintenance easier for you. Even in tough conditions, this blade increases your lawnmower's efficiency, helping you tackle overgrown grass with ease. Furthermore, its strong construction reduces strain on the motor, extending the life of your equipment and providing you with a more reliable mowing experience.

What We Like
Sharp for clean cuts
Enhances mower efficiency
Strong construction
Reduces motor strain
#TOP 6

Bosch Replacement Blade for Rotak 32 LI Ergoflex

F016800332
Bosch Replacement Blade for Rotak 32 LI Ergoflex Cover
Bosch F016800332 Replacement Lawnmower Blade for Rotak 32 LI Ergoflex

The Bosch Rotak 32 Blade is designed for efficient lawn care with its sharpened metal blade, which offers a precise 32 cm cutting width. This feature allows you to tackle your lawn effortlessly, ensuring a clean and even cut. Compatible with the Rotak 32 Li Ergoflex, it simplifies maintenance by providing a perfect fit. With its durable design, this replacement blade will help you keep your lawn looking its best with minimal effort, making your gardening tasks much more enjoyable.

What We Like
Sharp metal blade
Efficient 32 cm cutting width
Compatible with Rotak 32 Li
Durable design
#TOP 7

Ryobi RAC434 33cm Cordless Lawnmower Blade

RAC434
Ryobi RAC434 33cm Cordless Lawnmower Blade Cover
Ryobi RAC434 33cm Lawnmower Blade for OLM1833B (Single)

The Ryobi RAC434 Blade is a 33cm cordless lawnmower replacement blade designed for specific models including the OLM1833B. This high-quality blade ensures a clean cut, helping you maintain a neat and tidy lawn with ease. Compatible with various Ryobi models, it provides versatility for users who may have multiple machines. Its robust design means you can rely on it for consistent performance, making lawn care more efficient and enjoyable for you.

What We Like
Compatible with multiple models
High-quality cutting performance
Easy to replace
Efficient lawn care solution
#TOP 8

Bosch 32cm Replacement Blade for Rotak 32

F016800340
Green
Bosch 32cm Replacement Blade for Rotak 32 Cover
Bosch F016800340 32cm Replacement Lawnmower Blade for Rotak 32/ Rotak 32 R, Packaging May Vary

The Bosch Rotak 32 Blade is designed for precision cutting with its sharpened metal blade that offers a 32 cm cutting width. This size ensures that you can cover a good amount of lawn in a single pass, making your mowing tasks quicker and more efficient. It is specifically made for the Rotak 32 and Rotak 32 R models, ensuring compatibility. With this blade, you can maintain a neat and tidy lawn, enhancing your garden's aesthetics effortlessly.

What We Like
Sharp and efficient cutting
Compatible with specific models
32 cm cutting width
Easy to install
Durable metal construction
#TOP 9

YUNSTK 34 cm Metal Replacement Lawnmower Blade

YUNSTK 34 cm Metal Replacement Lawnmower Blade Cover
YUNSTK 34 cm Metal Lawnmower Blade, Replacement Lawn Mower Blades for Bosch Rotak 34 34R 34GC 340R 340ER 3404R 3600H

The YUNSTK Lawnmower Blade is a premium 34 cm replacement blade designed specifically for Bosch Rotak 34 and 340 series lawnmowers. Made from high-quality steel, this blade features pre-drilled mounting holes, which make installation straightforward for you. Its raised corners and angled edges enhance cutting performance, ensuring a cleaner, more efficient mow. With an 8mm centre hole diameter, it fits various models, allowing you to maintain your lawnmower's effectiveness with ease.

What We Like
High-quality steel construction
Easy installation with pre-drilled holes
Superior cutting performance
Compatible with multiple models
#TOP 10

Flymo FLY014 Plastic Lawnmower Blades Set

FL5138469-90/2
Black
Flymo FLY014 Plastic Lawnmower Blades Set Cover
Flymo FLY014 x6 Plastic Lawnmower Blades for Hover Vac, Mow 'n' Vac, Micro Lite, Minimo, Mow 'n' Vac 28 - 513846990, Black

The Flymo FLY014 Blades are designed to fit several Flymo lawnmowers, including the Hover Vac and Mow 'n' Vac. Being genuine Flymo products, these cutting blades ensure compatibility and reliability for your lawn care. Made from robust plastic, they provide durability while effectively cutting grass. The part numbers FLY014 and 513846990 make it easy for you to identify the correct blades for your mower, ensuring a seamless replacement process.

What We Like
Compatible with multiple models
Genuine Flymo product
Durable plastic construction
Easy identification with part numbers
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Can you put any blade on a lawn mower?

In short, the answer is yes. However, you must ensure that the centre hole and length of the blade is the same as the one you are replacing.

2. Is it better to replace a lawn mower blade or sharpen?

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.

3. How much does it cost to replace a blade on a lawnmower?

Zero-turn lawn mower blades cost between $12 and $31, depending on the type and brand. Riding lawn mower blades cost between $10 and $40.

Editor's Notes

During our lawn mower blade research, we found 168 lawn mower blade products and shortlisted 10 quality products. We collected and analyzed 42,941 customer reviews through our big data system to write the lawn mower blades list. We found that most customers choose lawn mower blades with an average price of £14.30.

The lawn mower blades are available for purchase. We have researched hundreds of brands and picked the top brands of lawn mower blades, including Bosch, Mountfield, Alm, Draper, RYOBI. The seller of top 1 product has received honest feedback from 167 consumers with an average rating of 4.9.

Written by
Toby Butcher Avatar

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.