How do I know what size mower blade I need?

When it comes to blades, your owner’s manual should tell you which model number of blades is needed. Almost all lawnmower manufacturers specify a narrow range of replacement blades for their mowers.

Are all mower blades universal?

So, are lawn mower blades universal? Lawnmower blades are not universal, they are mower specific. A mower blade must be an exact fit and torqued to the manufacturer’s specification.

What is the standard lawn mower blade size?

Mower blades can be 1 1/2″ to 4 1/4″ in width, and are available in thicknesses ranging from about 1/10″ to almost 1/3″. [Back to top] Number of Holes Lawn mower blades will have either one or three holes in them for where they attach to the machine.

Will any lawn mower blade fit?

No, lawn mower blades are not universal, they are mower-specific. You can replace a certain manufacturer’s blades with another manufacturer’s blade, provided that they match up with your mower in length, thickness, width, hole numbers, hole shapes, and hole sizes.

Should mower blades be sharp?

How Sharp Should Your Mower Blade Be? 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. Contrary to popular belief, a lawn mower blade with a razor sharp edge will not cut grass better.

What size blades are on a 42 inch lawn mower?

AYP Blade fits 42″ Cut Decks, needs two blades. Size: Length: 21″, Center Hole: 5/8″Star, Width-thickness: 225-149. Replaces # 127843, 138498, 131323, 138791 & 532127843. {Blades are sold individually} If you purchase 10 of these blades you get FREE SHIPPING.

Do new mower blades make a difference?

When you use a brand-new, sharp blade you get a nice, clean shave. The same thing happens with your grass. A sharp cutting blade makes your lawn look great and helps keep your turf healthy. If the mower blades are dull or nicked, it will smash the edge of the grass blade, leaving a torn end rather than a clean cut.

Can you use a smaller blade on mower?

Using a smaller lawnmower blade is not recommended, because this can damage the lawnmower, the blade, and the person operating the mower.

What happens when mower blades are blunt?

Blunt mower blades tear at the tip of the grass leaf, leaving it rough-ended and brown, affecting the overall appearance of your lawn. The rule of thumb is that mower blades should be sharpened around every 25 hours of use.

How many times can a mower blade be sharpened?

In general, sharpen twice per season or after 25 hours of use to keep your blades in good shape. Also, sharpen the blades after hitting rocks. Stone can easily dent or nick the blades. The lawn itself can also hint when you need to sharpen your mower blades.