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Revitalizing Your Yard With Sharper Deck Performance

Tackling dense turf with a dull or worn cutting edge leaves ragged brown tips across your lawn that invite pests and disease. Clean cutting edges and proper deck airflow make every mowing pass significantly more efficient, reducing strain on your small engine or electric motor. When you search for a dependable rubbermaid mower blade on sale, securing the exact fit restores crisp bagging and mulching capabilities immediately. Taking a moment to verify center hole configurations and deck clearance prevents annoying installation hiccups before weekend yard work begins.

Excessive deck vibration often stems from bent steel or unbalanced weight distribution, which can wear down spindle bearings prematurely. Looking closely at OEM replacement numbers helps you maintain balanced lift and proper airflow under the cutting deck. Many yard owners inspect universal lawn mower blades to compare sizing, yet matching your mower’s specific deck geometry is always the safest bet. Based on manufacturer specifications and user feedback, investing in a balanced rubbermaid mower blade on sale creates cleaner grass clippings and a noticeably healthier turf profile.

1
Best Seller

MaxPower 331528B Mulching Blade for 21-Inch Cut

MaxPowerPrecisionParts
9.8 /10
POW Score
POW Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
This MaxPower mulching blade is a direct replacement for many popular 21-inch walk-behind mowers from MTD, Cub Cadet, Troy-Bilt, and Craftsman. It delivers a clean, fine cut that mulches clippings effectively, making it ideal for homeowners and DIYers who want a sharp, durable blade at a great price.
Pros & Cons

Pros

  • Sharp out of the box - cuts cleanly on the first pass without needing to sharpen.
  • Fits a wide range of popular mower brands and models, reducing guesswork.
  • Solid build quality from a US-based manufacturer with a reputation for reliable parts.
  • Mulches grass into fine particles that decompose quickly, reducing thatch buildup.
  • Very affordable compared to OEM blades, especially for the performance you get.

Cons

  • The powder coating may flake off initially, which is normal but can be messy.
  • Not compatible with all 21-inch mowers - always verify your OEM part number before ordering.
  • Some users report that the blade is slightly thinner than OEM, though it still holds up well under normal use.
Detailed Review

The MaxPower 331528B is a replacement mulching blade designed for many 21-inch cut walk-behind mowers from MTD, Cub Cadet, Troy-Bilt, and Craftsman. If you've got a push mower that uses a bow tie center hole pattern with a 5/16-inch hole and 2.5-inch spacing, this blade is likely a direct drop-in. It replaces a long list of OEM numbers including 742-0741, 942-0741, and Craftsman's CMXGZAM100067, so compatibility is broad. This isn't a power tool in the traditional sense, but it's a critical component for anyone maintaining a lawn mower.

This blade is best suited for homeowners, DIYers, and weekend warriors who want to keep their lawn looking sharp without spending a fortune. It's also a solid pick for rental property owners or small landscaping crews who need a reliable, cost-effective replacement for a fleet of mowers. The mulching design chops grass clippings into fine pieces that settle into the turf, returning nutrients to the soil. That means less bagging and a healthier lawn overall.

In real-world use, the blade comes factory-sharpened and coated with a protective powder. The first cut will strip that coating away, revealing a keen edge that slices through grass cleanly. Users report a smooth, even cut with minimal tearing, which reduces stress on the grass and helps prevent browning. The heat-treated steel holds its edge well through a full season of weekly mowing, though you may want to touch it up with a file if you hit rocks or roots. Installation is straightforward: remove the center bolt, swap blades, and torque it back down. A block of wood wedged between the blade and the deck makes the job easier.

Build quality is solid for an aftermarket blade. MaxPower manufactures these in the USA (Glennville, GA and Phoenix, AZ) using a heat-treat process that meets or exceeds OEM specs. The steel feels appropriately stiff, and the bow tie center hole fits snugly on the spindle without wobble. One minor annoyance: the powder coating can flake off during the first few cuts, leaving little black specks on your lawn. That's cosmetic and harmless, but worth noting. Also, because this is a universal replacement, you absolutely must check your mower's OEM part number before buying. The listing includes a huge list of compatible models, but a mismatch could mean the blade doesn't fit or spins off-balance.

Overall, the MaxPower 331528B is a smart buy for anyone needing a reliable mulching blade at a budget-friendly price. It cuts well, fits a wide range of mowers, and is built to last. The only real drawback is the need to verify compatibility, but that's true for any universal blade. If you're tired of paying OEM prices for the same performance, this is a great alternative. Just double-check your part number, and you'll be back to mowing in no time.

Specifications

Blade Length: 21 inches

Blade Width: 2.25 inches

Center Hole: Bow tie pattern, 5/16-inch diameter outer holes, 2.5-inch center-to-center spacing

Weight: 1.6 pounds

Material: Heat-treated steel

Finish: Powder-coated (wears off on first use)

Manufacturer: MaxPower (USA-made in Glennville, GA and Phoenix, AZ)

Model Number: 331528B

Replaces OEM Numbers: 742-0741, 742-0741A, 742-04276, 742-04276S, 942-0641, 942-0741, 942-0741A, 942-04276, 942-04276S, CC-742-0741, Craftsman CMXGZAM100067

Compatibility

This blade fits many 21-inch cut mowers from MTD, Cub Cadet, Troy-Bilt, and Craftsman. Always verify your mower's OEM blade part number matches one of the numbers listed above. Common compatible models include:

Cub Cadet: CC 46M, CC 46MZ, CC 46ES, CC 439, CC 469, CC 949, CC 94M, CC 98M, CC 98H, CC 98K, CC 99M, CC 989, CC 997ES, CC 999ES; SC 100, SC 100 H, SC 100 HW, SC 300, SC 300 E, SC 300e, SC 300 HW, SC 500 EZ, SC 500 EQ, SC 500 HW, SC 500 Z, SC 700E, SC 700 H; S 621, S 621 SS, SR 621, SRC 621, SRE 621, SC 621, SC 621 E; MTD 214 IP, 214 KW, PR 521.

Troy-Bilt: TB 105, TB 110, TB 115, TB 120, TB 125, TB 130, TB 130 XP, TB 140, TB 160, TB 160 XP, TB 200, TB 210, TB 220, TB 230, TB 240, TB 270 ES, TB 270 XP, TB 280 ES, TB 290 ES, TB 320, TB 330, TB 360, TB 360 ES, TB 370, TB 370 XP, TB 380 ES, TB 380 XP, TB 400 XP, TB 430 XP, TB 450 XP, TB449E, TB 490 XP; Tru-Cut 100, 110; Tuff Cut 200, 210, 220, 230; Pro-Cut 300, 310, 320.

Craftsman: Models using OEM part CMXGZAM100067 (check your mower's manual or existing blade for the number).

2
Editor's Pick

Greenworks 25 Inch Replacement Lawn Mower Blade

Greenworks
9.8 /10
POW Score
POW Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
The Greenworks 2952002 is a high-quality steel replacement blade engineered for a precise, clean cut on 25-inch Greenworks mowers. It's ideal for homeowners and DIYers who want to restore sharp cutting performance without buying a new mower, offering easy installation and long-lasting durability.
Pros & Cons

Pros

  • Precision-cut edge for a clean, professional-looking lawn.
  • Strong steel build resists bending and wear over many seasons.
  • Easy, tool-less installation on compatible Greenworks 25" mowers.
  • Affordable way to refresh mower performance instead of replacing the whole machine.

Cons

  • Only fits Greenworks 25-inch mowers not compatible with other brands or sizes.
  • May require periodic sharpening to maintain peak cutting efficiency depending on lawn conditions.
  • Packaging only includes the blade; no hardware or installation guide included.
Detailed Review

The Greenworks 2952002 25-inch replacement blade is a straightforward, no-nonsense accessory for anyone using a Greenworks 25-inch walk-behind mower. This is a simple steel blade with a precision-ground edge, designed to restore cutting performance once your original blade dulls or gets nicked. It is not a power tool itself but a critical wear part that directly affects how cleanly and efficiently you cut your grass.

Who is this blade for? It's perfect for homeowners and DIY lawn care enthusiasts who already own a Greenworks mower and want to keep it running like new without spending on a whole new machine. If you mow a typical suburban lawn and prefer a crisp, even cut that helps your grass recover quickly, this blade delivers exactly that. Contractors or large-scale operators might want a more heavy-duty option, but for residential use, this blade hits the mark.

In real-world use, the sharp edge slices through grass cleanly, reducing torn leaf tips that can lead to browning. The steel is thick enough to handle occasional rocks or roots without immediately bending, though you will still want to avoid heavy impacts. Installation takes just a few minutes simply remove the old blade and bolt this one on. It works equally well for mulching or bagging, so you can switch between modes without swapping blades.

Build quality is solid for the price. The steel feels durable and resists rust better than some budget blades. At 1.12 pounds, it is light enough to handle easily but heavy enough to maintain momentum during mowing. The only real limitation is compatibility: it only fits Greenworks 25-inch models, so double-check your mower before ordering. Also, like any blade, it will eventually need sharpening or replacement after heavy use.

Overall, the Greenworks 2952002 is a reliable, cost-effective way to extend the life of your mower and keep your lawn looking its best. If you are a homeowner who values a clean cut and easy maintenance, this blade is a smart buy. Just make sure it fits your specific mower model, and you will be back to mowing with fresh cutting performance in no time.

Specifications

Product Dimensions: 12 x 2.5 x 0.5 inches
Item Weight: 1.12 pounds
Manufacturer: Greenworks
ASIN: B0C2ZQ8VKR
Model Number: 2952002
Best Sellers Rank: #116,093 in Patio, Lawn & Garden #491 in Lawn Mower Blades

3
Limited Time

Greenworks 16-inch Replacement Lawn Mower Blade

Greenworks
9.8 /10
POW Score
POW Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
This Greenworks 16-inch replacement blade is a direct fit for their corded and cordless mowers, built from one-piece alloy steel for long-lasting sharpness. DIY homeowners and anyone with a compatible Greenworks mower will appreciate its clean cuts and easy installation.
Pros & Cons

Pros

  • Solid one-piece steel construction for durability and consistent cutting performance.
  • Exact fit for several Greenworks 16-inch mower models, so no guesswork during installation.
  • Lightweight at just over half a pound, making it easy to handle and swap out.
  • Affordable replacement cost compared to buying a new mower just because the blade wore out.

Cons

  • Only compatible with 16-inch mowers; not a universal blade for other sizes.
  • Some users may find the blade requires periodic sharpening after heavy use on tough lawns.
  • No additional accessories or hardware included, so you'll need to reuse existing bolts or purchase separately.
Detailed Review

If you own a Greenworks 16-inch corded or cordless mower, the replacement blade under model 29512 is a straightforward upgrade that keeps your mower cutting like new. This blade is made from a single piece of alloy steel, which means there are no weak weld points that could fail over time. The forging process produces a rigid, durable edge that holds up well against grass, weeds, and even light debris. For homeowners who rely on their electric mower for weekly maintenance, this blade offers a clean, even cut without leaving ragged edges that can brown out.

The installation process is simple. You remove the old blade, line up the center hole, and bolt this one in place. The 15.75-inch length matches the factory specification, so your mower's cutting deck will operate at peak efficiency. Because it's designed specifically for Greenworks 16-inch models 25322 and 25242 (and many other 16-inch electric mowers), you won't have to worry about balance issues or poor fit. Just make sure you secure it with the proper torque and your mower will be ready to go.

In real-world use, this blade delivers consistent performance across different grass types and moisture levels. It does a good job mulching clippings and doesn't clog easily, thanks to its sturdy shape and sharpened edges. The one-piece steel construction also helps reduce vibration compared to blades with welded tips, which means less fatigue on your hands and arms during longer sessions. It's not the most aggressive blade on the market, but for a typical suburban lawn it's more than adequate.

Build quality is solid. The alloy steel resists bending if you hit a hidden rock or root, and the finish resists rust better than some cheaper alternatives. That said, like any mower blade, it will eventually need sharpening. If you mow frequently over tough grass or gravel, plan to touch it up with a file or grinder every few months. The lightweight design (just under 0.7 pounds) makes the blade easy to handle during maintenance, and it stores compactly in your workshop or garage.

One limitation is that it's not a universal blade. It only fits 16-inch mowers with the specific center hole pattern. Also, the package does not include new bolts or washers, so you'll need to reuse the original hardware or buy replacements if they're worn. For the price, this blade offers excellent value for DIY homeowners who want to extend the life of their Greenworks mower without spending on a new machine. It's a practical, reliable choice that gets the job done neatly.

Specifications

Brand: Greenworks
Model: 29512
Fits: 16-inch electric mowers, including Greenworks 25322 and 25242
Blade Length: 15.75 inches (actual cutting width 16 inches)
Material: Alloy Steel, one-piece forged construction
Weight: 0.69 pounds
Dimensions: 15.75 x 1.97 x 0.71 inches
Compatible Power Sources: Corded Electric, Cordless Electric
Assembly Required: Yes (bolt to mower spindle)

Best Use Cases

This replacement blade is ideal for homeowners who maintain a small to medium-sized lawn with a Greenworks 16-inch electric mower. It's perfect for routine weekly mowing of Bermuda, fescue, or rye grass. Because it's designed for electric mowers, it pairs well with both corded and battery-powered units, making it a reliable backup or upgrade blade. If you want to keep your mower cutting cleanly without upgrading to a new machine, this blade is a smart, budget-friendly choice.

4
Top Rated

UDC Parts 942-0616A 6 Star Lawn Mower Blades

UDCParts
9.8 /10
POW Score
POW Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
These UDC Parts replacement blades deliver exceptional mulching performance and a whisper-quiet cut on 42-inch decks. With over 3,200 top reviews, they are a smart upgrade for homeowners and DIYers looking to rejuvenate their Cub Cadet, Craftsman, or Troy-Bilt mower.
Pros & Cons

Pros

  • Exceptional cut quality with clean, even results even in slightly overgrown grass
  • Very quiet operation, with many users describing a smooth hum instead of a roar
  • Perfect fitment across dozens of mower models, verified by thousands of positive reviews
  • High-quality construction that holds an edge well and resists bending

Cons

  • Gator-style lifting action can suck up sand or debris, so avoid running over bare dirt or loose gravel
  • May not fit all model variations; double-check your specific mower's complete model number before ordering
Detailed Review

If you own a 42-inch riding mower from Cub Cadet, Craftsman, Troy-Bilt, MTD, or several other brands, chances are you have been through the cycle of replacing dull blades at the local big box store. The UDC Parts 942-0616A set offers a practical alternative that many users swear by. These are gator-style mulching blades designed to lift grass aggressively and chop clippings into fine bits, leaving a manicured look without clumps or piles.

Who should buy these blades? Homeowners with a few acres of lawn will appreciate the time saved by not having to bag clippings. The mulching action is effective enough that you can often skip a second pass. DIYers who maintain their own equipment will find the installation straightforward: just match the six-point star center hole and the three-inch width. The blades are heat-treated and balanced from the factory, which contributes to a noticeably quieter mowing experience. One long-term review mentioned that the noise dropped from a chainsaw-level roar down to a soft hum.

In real-world use, the cutting performance is a clear step up from standard OEM blades. Grass is sliced cleanly, and there is no tearing or browning after a few days. The blades handle slightly overgrown conditions without bogging down. However, because the gator design creates a strong lift, it will pull up sand and small debris if you get too close to bare soil or a garden hose. That is a tradeoff for the superior mulching capability. Build quality feels solid, with the blades weighing a bit more than stock, which suggests they will last through multiple seasons of regular mowing.

One limitation to keep in mind: compatibility lists are long, but different trim levels of the same mower model may use different blades. Always confirm your mower's complete model number before buying. The packaging includes two blades, which is perfect for most 42-inch decks that use a two-blade setup. You get a spare or can replace both at once. Considering the price point, these blades offer exceptional value compared to OEM replacements. If you want a better cut, less noise, and less time spent on lawn cleanup, the UDC Parts 942-0616A blades are a solid choice.

Specifications

Blade Length: 21-3/16 inches (measured diagonally). Blade Width: 3 inches. Blade Thickness: 0.156 inch. Center Hole: 6-point star. Side Hole: 5/16 inch. Center-to-Center Outside Hole: 2-1/2 inches. Air Lift: 1-7/64 inch. Cutting Edge Length: 5-7/16 inches. Compatible Deck Size: 42 inches. Package Quantity: 2 blades.

5

MaxPower 561557B 3-Blade Set for 54-Inch Cut

MaxPowerPrecisionParts
9.8 /10
POW Score
POW Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
This MaxPower 561557B 3-blade set delivers a direct OEM replacement for 54-inch mower decks, offering durable construction and strong grass lift at a fraction of dealership cost. Ideal for homeowners and light commercial users who want reliable, USA-made blades without overpaying.
Pros & Cons

Pros

  • Direct fit for multiple popular zero-turn and riding mower brands
  • Robust construction handles thick grass and light debris without bending
  • Excellent value for a set of three compared to single-blade OEM options
  • Positive near-instant improvement in cut quality and discharge

Cons

  • Slightly heavier than some OEM blades may require deck leveling check
  • Some users report minor tip clearance issues on older decks that need a quick grind
  • Not compatible with non-star center hub systems or smaller deck sizes
Detailed Review

The MaxPower 561557B 3-blade set is a practical, no-nonsense replacement kit designed for 54-inch mower decks from Craftsman, MTD, Cub Cadet, and Troy-Bilt. Each blade measures 18-5/8 inches long with a 2-1/2 inch width and a 6-point star center hole, matching the original equipment specifications for many popular zero-turn and riding mowers. MaxPower replaces common OEM numbers like 742-05056 and 942-05056, ensuring a straightforward swap for homeowners and small-property owners who maintain their own equipment.

In real-world use, these blades shine at lifting and discharging grass. The heat-treated steel construction provides a good balance of sharpness and impact toughness. During thick, wet cutting sessions, the blades maintain a clean cut without bogging the engine down, partly thanks to their slightly higher weight compared to OEM blades. That extra mass acts as a mini flywheel, helping the spindles power through dense growth. One reviewer noted excellent performance on an overgrown property, chewing through small oak limbs without damage. The set's suction is strong enough to minimize clumping in the bagger, though you may still need to check deck leveling for optimal results on uneven terrain.

Build quality is consistent with USA-made claims. The blades arrive with a factory edge and a protective coating that resists surface rust during storage. Installation is straightforward: jack up the mower safely, remove the old blades, and bolt these on with the correct torque. On some older decks, the blade tips may barely contact the deck shell, but a quick pass with a hand grinder (as one reviewer did) resolves this in minutes. A few customers also mention that the blades are slightly thicker at the attachment hole, so check your spindle bolt length if your mower uses shallow pockets.

Drawbacks? The added mass might worry owners of older, low-horsepower riders, but the actual weight increase is modest about 0.2 pounds per blade. For most modern mowers, this is not an issue. Also, the set is specifically designed for 54-inch decks with a 3-blade spindle pattern; it won't work on 42- or 46-inch decks. If your mower uses a different center hole shape or offset pattern, verify compatibility before purchase. A very small number of early reviewers had to slightly round a corner tip, but this is uncommon and easy to fix.

Overall, the MaxPower 561557B is a smart buy for anyone who wants reliable, durable blades at a fair price. Whether you're a homeowner cutting a couple of acres weekly or a light commercial operator maintaining a small fleet, this set delivers OEM-level cut quality and cost savings. Skip the dealership markup and grab this three-pack you'll have a spare blade ready for the next season.

Specifications

Brand: MaxPower
Model: 561557B
Blade Length: 18-5/8 inches
Blade Width: 2-1/2 inches
Center Hole: 6-point star
Quantity: 3 blades
Replaces OEM: 742-05056, 942-05056, 742-05056A, 942-05056A, CMXGZAM110143
Compatible Decks: 54-inch cut on Craftsman, MTD, Cub Cadet, Troy-Bilt
Manufactured in: USA (Glennville, GA and Phoenix, AZ)

Best Use Cases

These blades are best for homeowners with 54-inch riding or zero-turn mowers who maintain 1-5 acres of grass. They work well on lawns with moderate debris like twigs and small branches. The strong lift makes them suitable for bagging systems and side discharge decks. Light commercial users running a few properties will also appreciate the durability and price point.

6

budrash 942-0741A Mower Blade for Cub Cadet MTD

budrash
9.6 /10
POW Score
POW Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
This budrash 942-0741A replacement blade is a solid, budget-friendly option for many popular Troy-Bilt, Craftsman, MTD, and Cub Cadet 21-inch mowers. It offers 3-in-1 mulching, bagging, and discharging performance, making it a practical choice for homeowners looking to restore cutting efficiency without overspending.
Pros & Cons

Pros

  • Affordable price point compared to OEM blades, saving money on lawn care
  • Wide compatibility with many popular 21-inch mower brands and models
  • Sharp out of the box, so you can install and mow without extra sharpening
  • 3-in-1 functionality gives you flexibility for different grass conditions and seasons

Cons

  • Only one blade per pack, so you may need multiple for a dual-blade deck or spares
  • Some users may find the blade slightly thinner than OEM replacements, potentially affecting longevity on rough terrain
  • Limited to 21-inch decks, so not suitable for larger mowers or tractors
Detailed Review

If you own a Troy-Bilt, Craftsman, MTD, or Cub Cadet walk-behind mower with a 21-inch deck, the budrash 942-0741A replacement blade is a practical and affordable option to keep your cutting performance sharp. This single blade is designed to replace part numbers like 942-0741, 742-0741, and several others, making it a versatile choice for many homeowners who need a quick fix without the OEM price tag.

This blade is best suited for homeowners with push mowers or self-propelled models like the SC700E, TB130, TB230, or Craftsman 247 series. Whether you are maintaining a small suburban lawn or tackling a slightly larger yard, this blade can help restore the clean cut your grass needs. The 3-in-1 design allows you to mulch clippings for lawn health, bag them for a tidy finish, or side discharge when the grass is thick. Many users will appreciate the convenience of having one blade that handles multiple tasks throughout the growing season.

In terms of cutting performance, the blade comes pre-sharpened and ready to install. The curved surface helps lift grass for a more even cut, and the long cutting edges recut clippings into smaller pieces when mulching. This can reduce the need for raking and help return nutrients to the soil. For bagging, the blade's lift helps push clippings into the bag, which is especially useful during peak growing season when you are mowing frequently. Side discharging works well for taller grass that might clog a mulching setup.

Build quality is straightforward. The blade measures 21 inches long, 2-1/4 inches wide, and 1/8 inch thick, with a bow-tie center hole that fits many common spindles. The black finish offers basic rust resistance, but like most mower blades, it will wear over time especially if you hit rocks or hard debris. Replacing the blade is a simple job with a socket wrench, and the included compatibility list makes it easy to confirm fitment before purchase.

One realistic limitation is that this is a single blade pack. If your mower uses two blades or you like to keep a spare on hand, you will need to order multiple packs. Also, some users may find the thickness slightly less than OEM blades, which could affect durability on very rocky or uneven ground. However, for routine mowing on typical residential lawns, this blade should hold up well throughout the season.

Overall, the budrash 942-0741A is a smart choice for budget-conscious homeowners who need a reliable replacement blade for their 21-inch mower. It offers solid cutting performance, wide compatibility, and easy installation. If you are looking to restore your mower's cutting ability without spending a lot, this blade is worth considering.

Frequently Asked Questions

How do I know which replacement blade fits my mower deck?

Match the exact OEM part number and center hole design specified in your equipment manual. Measuring blade length diagonally from tip to tip and checking center hole shapes like a 6-point star or bow tie guarantees a secure fit. Never guess the deck size because an oversized blade can strike the deck housing.

Can I install a mulching blade on a standard push mower?

Yes, provided the length, center hole pattern, and deck clearances match your original blade setup. Mulching blades feature curved cutting surfaces and high lift ridges that recut grass clippings into fine mulch. Ensure your deck has a mulching plug installed so clippings circulate properly inside the cutting chamber.

How often should replacement mower blades be sharpened or replaced?

Standard mower blades generally require sharpening every 20 to 25 hours of active lawn cutting. Knowing how to check lawn mower blade balance helps you spot uneven edge wear before it produces harmful deck vibration. Replace any blade immediately if you notice severe gouges, cracks, or excessive thinning along the sail.

What is the purpose of a bow tie or star center hole design?

These shaped center holes lock the blade securely onto the mower spindle to prevent slippage during sudden torque changes. Round center holes rely solely on bolt clamping pressure, while star and bow tie patterns mechanically interlock with the spindle shaft. Always verify that your replacement blade matches this mounting interface exactly.

Does a sharp replacement blade improve electric mower runtime?

Yes, a razor-sharp edge reduces rotational resistance, allowing battery-powered motors to draw less current during each cut. Dull blades tear through grass stems by force, which drains cordless batteries faster and strains motor windings. Installing a fresh blade helps maintain optimal battery runtime across the entire 2026 mowing season.