There are numerous types and sizes of lawn mower blades. Certain models are made specifically for specific mowers and come with the part number stamped on them, which can be referred to in the parts list in the vintage mower blades sharpeners‘s manual.

For instance, a high lift blade generates a strong suction which efficiently throws clippings upwards so they can be sorted. It also allows for the best air flow in grass to avoid the clogging.


The overall length of the mower blade as well as the hole pattern must be known to correctly pick the correct replacement lawnmower blades. Also the shear pins used to locate holes and their distance to the boss of the blade should be known. These measurements narrow down results due to them being in accordance with the design and fit of a particular mower blade in order to prevent damaging parts of the mower and causing vibrations.

Standard blades, also known as 2-in-1 or lift blades are often used on regular lawnmowers, as well as side discharge lawnmowers that are not bagging or mulching. Their back edge features a slight upturn that generates continuous suction and cutting action.

High lift blades are characterized by an incredibly steep upturn on the back of the blade and are made for side discharge mowing. This kind of blade requires greater power from the engine in order to work well and can cost a little extra in fuel expenses, but it’s great for grasses with thicker blades that are difficult to cut using standard blades.


The lawn mower’s blades are typically made of a durable type of steel. It is also made of iron or other metals. Steel is a popular material for mower blades since it has a mix of robustness and durability. It is usually treated with heat to create a hardened surface. Tempering increases the toughness and durability, as well as resistance to corrosion.

It is more beneficial to employ high carbon steel for cutting over low carbon steel as it’s more durable. It can withstand trees, rocks, and other objects that could be thrown at the blade and not damage it.

The best way to keep a lawn mower blade is to use it regularly and maintain it at a high-quality sharpness. It is also essential to balance the blade. This is accomplished by placing a nail in the board and then using the file to adjust the nail until it reaches the center of the blade.


Sharpness of blades is influenced by various factors, including the dimensions of the lawn as well as how often it is used. Sharpening is more frequent on large lawns that have plenty of pebbles trees, rocks and weeds. A dull blade will wear out quicker if you utilize it regularly.

To get a clean and attractive cut for a neat and pleasing cut, a sharp cutting edge is essential. This can be accomplished through a that sharpens drill bits it functions similarly to the bench grinder, however it is smaller and more affordable.

The blade must be balanced regularly, particularly after it has been honed. Sharpening can cause the blade to become unbalanced as it takes more metal off one side than the other. To check the balance, hang the blade on an anchor through its bolt hole, and check whether it is level. If the blade is tilted to the other side, it will need to be re-filed to ensure it is balanced.


When you are sharpening the mower blade, make use of a tool that works similar to drill bits, but with a specially-designed stone to hug the edge of the blade, leaving the least amount of room for error. This tool is quicker and more precise than hand-filing. After both sides are clean you can check the balance of the blade putting it on a nail through the bolt hole. If the blade is not well balanced, you’ll need to file it more.

To prevent an engine start-up while you are working on a blade, turn off the engine and take out the spark plug cable. Block the blade with blocks to hold it in place as you loosen its fastening bolt using a wrench or ratchet. After reinstalling the blade be sure to note the direction of the blade to ensure that it is placed in the right position. Spray WD-40, or a similar lubricant, on the mounting bolt before tightening.

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