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10 Best Lawn Mower Blades

From leading brands and best sellers available on the web.

Buying Guide for the Best Lawn Mower Blades

Choosing the right lawn mower blade is important for maintaining a healthy and attractive lawn. The blade determines the quality of the cut, efficiency, and even how much work your lawn mower does. Before buying, it's good to know what makes each type of blade different so you can pick the one best suited to your lawn's needs and your mowing style.
Blade LengthBlade length is how long the cutting edge of the blade is from end to end. This is important because it must fit your mower deck correctly—the wrong size can cause poor cutting or damage your mower. Blade lengths commonly include short (under 18 inches), medium (18-21 inches), and long (over 21 inches). To choose the right one, check your mower’s specifications—using the recommended length ensures safe operation and even cutting.
Blade TypeThere are several main types of lawn mower blades: standard or straight blades, mulching blades, and high-lift blades. Standard blades are good for general mowing and discharge the clippings. Mulching blades have a special shape that finely chops grass, making them good for recycling clippings into the lawn. High-lift blades create more airflow and are best for bagging grass clippings. To pick the right type, think about whether you want to bag clippings, mulch them, or just side-discharge, and pick the blade designed for that purpose.
Blade ThicknessBlade thickness refers to how thick the metal is, which affects durability and how well the blade can handle tougher jobs. Thicker blades are stronger and last longer, great for dealing with rough grass or occasional sticks, while thinner blades are lighter and tend to be less expensive. If your lawn is smooth and you mow regularly, a standard thickness is fine. If you often deal with tough conditions, go for a thicker blade.
Blade MaterialBlades are typically made from different types of steel, but there can be variations in quality and finish. Hardened or heat-treated steel is more durable and can stay sharp longer, which means less maintenance. Standard steel is suitable for general lawns and average mowing conditions. If low maintenance and extra durability are important to you, look for hardened steel, otherwise regular steel will suffice for most users.
Blade Edge DesignThe shape and angle of the blade edge can impact how cleanly the grass is cut and how much airflow is generated for lifting clippings. Curved or serrated edges often help with mulching, while flat edges are typical for basic mowing. If you want a fine finish or to mulch more efficiently, look for blade edges with specialized shaping; if you value simplicity and ease of sharpening, a standard straight edge will do the trick.
Mounting Hole DesignThe center hole and any extra holes in the blade are how it attaches to your mower. The size and shape must match your mower’s requirements for a secure fit. Common shapes include round, star, or rectangular. Make sure to compare your existing blade’s mount pattern or check your mower’s manual before buying. This ensures the blade fits properly and operates safely.