Many Ace Hardware locations sharpen lawn mower blades, with services typically costing between $ 6 and $ 10 per blade. However, because each location is independently owned, services vary. Call your Local Ace Hardware Store to confirm they offer this service and check their current turnaround time.
A question that is most frequently asked by homeowners is the cost of sharpening. Professional sharpening costs an average of between 5 and 15 per blade. Other lawn mower service stores charge a fixed price, and hardware stores might charge by the blade.
Yes, you should sharpen your mower blades. Dull blades tear instead of cleanly slicing grass, which stresses the plant, leaves brown or white frayed tips, and invites lawn diseases. Sharpening your blades about once or twice a season (or every 25 hours of use) ensures a clean cut.
To get your lawn mower blades sharpened, you can either do it yourself with a few basic tools or take them to a professional. Professional sharpening typically costs about $5 to $15 per blade. If you prefer to DIY, it takes about 10–15 minutes and can be done easily at home.
Sharpening lawn mower blades restores a clean cut to your grass. You can buy the necessary tools (like a metal file or a drill sharpener) at Lowe's and sharpen the blades yourself using a standard metal file or an angle grinder.
Yes, you can sharpen lawn mower blades without taking them off, but it is not recommended for a thorough or safe job. Doing so risks unbalancing the blade, ruining the cutting angle, and injuring yourself.
Yes, lawn mower blades must always be balanced after sharpening. When you sharpen a blade, you invariably grind more metal off one side than the other, making it uneven. An unbalanced blade spinning at thousands of revolutions per minute creates severe vibrations, which quickly ruin your mower’s engine, deck, and spindle bearings.
Yes, you can, but it depends on the specific sharpener. Handheld, carbide-style garden tool sharpeners (like the AccuSharp GardenSharp) can be dragged along the edge. However, standard electric kitchen knife sharpeners or sharpening stones are too small and will take far too long or ruin your equipment.
Mower blades should be aggressively sharp, but not as sharp as a razor's edge. You should be able to touch the blade with your hand without getting cut.
The easiest way to tell if your lawn mower blade is dull is to inspect the tips of your freshly cut grass up close. If the tips look frayed, shredded, or have a brownish-white haze, your blade is tearing the grass rather than slicing it cleanly.
"You need the proper angle — not too steep or shallow — or the blade won't cut cleanly," he explained. Sharpening the blade too thin is another mistake to avoid. "Some folks get carried away and make it razor-sharp. Sounds great — until that edge chips off the second you hit a stick or a rock."
Mower blades typically last 1 to 3 years for average homeowners, or roughly 50 to 100 hours of use for commercial operators. Their lifespan depends heavily on your terrain, how often you sharpen them, and the abrasiveness of your local soil.
Head to Ace Hardware. Pack up your knives and head to a nearby Ace, where a Resharp trained associate will quickly sharpen your edge in 90 seconds or less for just $6.99* per knife (*suggested retail price). Scan. Sharpen.
A lawn mower blade can typically be sharpened 5 to 10 times (or about 100+ hours of cutting time) before you need to replace it. The exact lifespan depends on the amount of metal removed per sharpening, the quality of the steel, and how often it hits rocks or debris.
Sharpening your mower blades gives your lawn a clean cut, but you should replace them entirely if they are severely chipped, bent, or if the "sail" (the turned-up edge) is worn away. For average use, aim to sharpen or replace blades at least once a year.
Sharpening a lawn mower blade by hand uses metal files or abrasives. Sharpening a blade by machine uses a blade sharpener, bench grinder or angle grinder.
Sharpen only the top side of the cutting edge—the side that is already beveled or angled. The bottom side facing the ground should remain completely flat.
Pull-through sharpeners are not universally "bad," but they are generally discouraged for high-quality or expensive knives. They offer quick, convenient edge maintenance but are highly aggressive, removing excess metal and often leaving a fragile, jagged edge.
How to Sharpen Lawnmower Blades Without Removing. Disconnect the spark plug and tilt the mower for easy access to the blade. Use a wire brush or cloth to remove dirt and grass. Use a rotary tool or handheld sharpener to grind the edge of the blade, following its natural angle.
To sharpen your lawn mower blades by hand, remove the blade, clamp it in a vise, and use a 10-inch mill file to restore the edge. File in one direction, maintaining the factory bevel angle (typically around 30 degrees). Always balance the blade afterward to prevent engine damage.
Replacement costs: New blades typically cost $30-$40, while professional mower blade sharpening runs $5-$15 per blade. Avoid paying more than $15-$20 per blade for sharpening.
13 Common Lawn Mowing Mistakes to Avoid
A violently shaking lawn mower is usually caused by a bent, damaged, or unbalanced cutting blade. Hitting a hard object like a rock, tree stump, or a thick root can easily bend the blade or the engine's crankshaft, disrupting the balance as it spins at high speeds.