Best Iron Lawn Mower Blades of 2026
* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Iron lawn mower blades are a popular choice when it comes to cutting grass. They are made of high-quality iron which makes them durable and long-lasting. These blades are also known for their sharpness, which ensures a clean and precise cut. Iron blades are suitable for all types of lawnmowers and can handle tough terrains with ease. They are easy to install and maintain, making them a favorite among homeowners and landscapers alike. With iron lawn mower blades, you can ensure a well-groomed lawn that looks neat and tidy.
At a Glance: Our Top Picks
#TOP 1
9.8
#TOP 2
9.7
#TOP 3
9.5
Top 10 Iron Lawn Mower Blades
Maxpower 331528B Mulching Blade for 21 Inch Cut MTD/Cub Cadet/Troy-Bilt
The Maxpower 331528B Mulching Blade is designed as a replacement for OEM numbers 742-04100, 742-0741, 742-0741A, 942-0741, and 942-0741A. It is compatible with many 21” cut MTD, Cub Cadet, Troy-Bilt, and Craftsman mowers, including the Craftsman CMXGZAM100067. The blade measures 21" in length and 2-1/4" in width with a bow tie center hole design. The blade is manufactured to meet or exceed all OEM specifications and is proudly made in the USA. It is recommended to check your owner's manual to ensure the OEM number of the blade being replaced matches one of the OEM numbers provided for this item.
Grasscool 942-04308 6 Star Hole Mower Blades
The Grasscool Star Hole Blades are designed to fit specific lawn mower models like Cub Cadet, Troy-Bilt, and Craftsman. Before buying, you should check your current blade's center hole shape to ensure you get the right fit—these blades have a 6-point star hole, which helps you avoid ordering the wrong type. This makes replacement easier and more accurate for you. These blades are compatible with a wide range of mower models, so you can trust they’ll work well with your equipment. With these blades, you get a reliable and precise fit that keeps your mower running smoothly and efficiently.
MaxPower 561739B 2-Blade Set for 46" Cut Mowers
The MaxPower 561739B 2-Blade Set includes two blades for various 46-inch cut Craftsman, Husqvarna, and Poulan mowers, fitting OEM #'s 405380, 532-405380, PP21011. Each blade measures 23 inches long and 2-3/4 inches wide with a 5-point star center hole. It is manufactured to exceed OEM specifications and proudly made in the USA. Make sure to check the owner’s manual to ensure that the OEM number of the blade being replaced matches one of the OEM numbers provided for this item.
Grasscool 138971 5-Star Mower Blades for Craftsman 42" Deck
The Grasscool 5-Star Mower Blades are designed for Craftsman 42-inch deck riding mowers, including popular models like LT1000 and T110. Before buying, you can easily check your current blade’s center hole to ensure you get the right fit, which saves you time and hassle. These blades feature a unique 5-point star center hole, allowing for a secure and proper fit on compatible mowers. They also work well with Poulan Pro and Husqvarna models, giving you versatile options. With these blades, you get reliable performance and convenience, making your lawn mowing tasks smoother and more efficient.
Grasscool 422719 134149 Mulching Blades
MaxPower 2-Blade Set for 42" Cut Poulan/Husqvarna/Craftsman
The MaxPower 561713B 2-Blade Set is designed to replace the OEM numbers of 42-inch cut Poulan, Husqvarna, and Craftsman mowers. The set includes two blades with 21-inch L x 2-1/4-inch W measurements and a 5-point star center hole. They are manufactured to meet or exceed all OEM specifications and come with a black finish. As a bonus, the product is proudly made in the USA. Before purchasing, be sure to verify the OEM number of the blade that needs to be replaced.
MTD Genuine Parts Replacement Part Mulching Blade-21-Inch Cutting Decks Fits Various MTD
MaxPower 561714B 2 Blade Mulching Set
Upgrade your lawn mower with the MaxPower Mulching Set. This set includes 2 blades specifically designed for a 42" cut. With its 5 Point Star Center Hole, it is compatible with Craftsman, Husqvarna, and Poulan mowers, replacing OEM numbers 134149 and 532134149. Measuring 21" long by 2-1/4" wide, these blades are manufactured to meet or exceed all OEM specifications. The MaxPower Mulching Set ensures a precise and efficient cut, allowing you to mulch your grass with ease. Say goodbye to manual raking and bagging, as this set helps to finely chop the grass clippings into small pieces, which are then returned to the soil as natural fertilizer. Keep your lawn healthy and beautiful with the MaxPower Mulching Set.
Grasscool 942-04308-X 942-04308 Mulching Blades
Grasscool 942-0616A Mulching Blades with 6 Star Mounting Pattern
Frequently Asked Questions (FAQs)
1. What grade of steel are lawn mower blades?
USA Mower Blades are made of carbon steel with a hardness of 38-42 Rockwell. These blades are made of local steel that under goes a salt bath heat treatment to eliminate the need for straightening.
2. Are old lawn mower blades good for making knives?
Mower blades are made from different metals. Depending on the metal, some don't even have the ability to harden, while others do. If the steel you use cannot harden, it cannot make a suitable knife.
3. How do I know what blades to buy for my lawn mower?
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.
During our iron lawn mower blade research, we found 24 iron lawn mower blade products and shortlisted 10 quality products. We collected and analyzed 150,412 customer reviews through our big data system to write the iron lawn mower blades list. We found that most customers choose iron lawn mower blades with an average price of $24.63.
The iron lawn mower blades are available for purchase. We have researched hundreds of brands and picked the top brands of iron lawn mower blades, including Maxpower, Grasscool, MTD Genuine Parts. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.
Bryan Hicks is a professional gardener and a writer who lives in North Texas with his family and his dog. Bryan has spent more than half of his life surrounded by garden products. He has extensive experience in garden makeovers and maintenance and lawn care. His areas of expertise include outdoor decoration, gardening and garden design.