When the time comes to inspect your lawnmower's blades, you might be wondering whether you need to replace them, or just give them another sharpen.
By rule, you should replace your blades at least once a year, but if they show signs of irreparable damage such as them being bent or cracked, then you might need to replace them sooner. If your blades are still new and the cutting edge just looks a little dull, then sharpening them is the better choice.
We have listed out some simple ways to determine if you just need to sharpen or replace your blades in a guide below, and how to do both methods if needed.
Before we get on to how to sharpen and replace the blades of your mower, it's a good idea to know when it's time to fully replace them or just give them a quick sharpen.
Signs that your blade needs just sharpening are -
If the blade of your mower reaches these criteria above then you should be fine to just sharpen your blades rather than replace them.
Signs that your blade needs replacing are -
When your mowers blades start to get brittle and thin or they are suffering visible damage with cracks, you need to replace them straight away, as just sharpening them could cause the blades to snap during use if they have reached the end of there life.
Figuring out when to replace or sharpen your mowers blades comes down to individual usage.
If you mow a large garden and want to keep your lawn looking professional, you should aim to sharpen your blades twice a season or for every 25 hours of use.
In terms of replacement, once a year should be fine, but you may have to replace the blades sooner if they get damaged or cracked.
Sharpening your mowers blades may have to be done more often if your garden has a lot of obstacles that are wearing down the blades cutting edges such as leaves and tree roots.
If you have decided your blades need to be sharpened instead of replaced then we have put together a small step by step way to sharpen your mowers blades in the safest way possible below.
If your mowers blades have irreparable damage, then you need to know how to replace them rather than sharpen them.
If your planning on replacing the blades of your mower or you want to get a spare set in case your old ones get damaged, you might be wondering what type of blades you should go for.
It can be useful to have different types of blades for your mower depending on how you want to cut your grass.
We have listed out the two main types of mower blades below -
Do I need to sharpen my mowers blades when they are new?
No, when your blades come straight from the manufacturer they do not need to be sharpened and can be put straight on to your mower.
What can make my blades wear out faster?
Using your mower on very overgrown grass or sticks and debris can cause the blades to wear out faster.
Are there universal mowing blades?
No, there is no such thing as 'universal' blades, however, you can find blades that fit on multiple different manufacturer models as long as the blade matched the thickness, length, width and hole sizes of your mower.
To conclude, figuring out when to sharpen or replace your mowers blades will be based on your individual use and inspection of your blades, you should always replace the blades of your mower straight away if they become damaged.