They can last between 12 and 120 hours of continuous use, depending on the quality of the blade and material they’re used to cut.
Read on to learn how to tell if your circular saw blade is dull, and what you should do if it is. These blades are typically used for cutting through wood, but specially designed carbide blades can also cut through light-gauge metal. Although somewhat rare today, steel-tipped blades are made entirely of steel and were the most common variety of circular saw blades before carbide-tipped options.
Whether you use your circular saw for work each day or on the weekends for personal creative projects, there comes a time when you’ll need to replace the blade. Increased kerf tearout, excessive burning, chipping and binding and slow and difficult push-through are common red flags that indicate you need to replace a circular saw blade. American-made LUXITE circular crosscut saw blades and rip cut saw blades stay sharper longer, reducing sharpening costs and eliminating the need for buying a replacement blade.
If you’re noticing your circular saw blade isn’t cutting as smoothly as it once did, then you’re probably wondering when it’s time to replace it with a new one. Knowing when it’s time to replace your circular saw blade isn’t an exact science, but you’ll generally get a hint when the saw starts to be more of a pain to use. Let’s take a closer look at when you should replace a circular saw blade, how long a typical blade should last, and consider whether you should sharpen a dull blade or replace it.
If your saw blade has been cutting fine, and you have noticed no changes in how it cuts, then it’s likely that you’re still working with a sharp blade. Make sure you are wearing chemical resistant gloves when cleaning a saw blade using a commercial saw blade cleaner. Compare the saw blade to another similar blade that you know is sharp and in good working condition.
Sharpening your saw blades will save you money in the long run because you’ll get better cuts, and you’ll have to replace your saw and blades less often. A Dirty Skill Saw Blade Can Cause Smoke The same goes for your circular saw blade. In many parts of the world you can send off your TCT circular saw blades to be sharpened usually up to about 5 times depending on how much they had to take off each time to get a nice clean sharp face.
how long do circular saw blades last Related Question:
How do you know when to change a circular saw blade?
Look for worn-down, chipped, broken and missing teeth or chipped carbide tips that indicate it’s time to replace a circular saw blade. Check the wear line of carbide edges using a bright light and magnifying glass to determine if it’s beginning to dull.
How do I know if my circular saw blade is dull?
When a saw blade is dull, it needs more force to cut through the material. The blade wants to follow the path of least resistance when it’s dull. This leads to inaccurate cuts. If your cuts are jagged or imprecise, then that is a sign that your blade might be worn out.
How long is a circular saw blade good for?
A: A circular saw blade lasts anywhere between 12 to 120 hours of continuous usage, and the duration depends on its quality and the materials from which it is made.
Is it worth sharpening circular saw blades?
When your circular saw blade becomes dull, not only will it give you a rougher finish, but your saw’s motor will have to work harder and may burn out sooner. Sharpening your saw blades will save you money in the long run because you’ll get better cuts, and you’ll have to replace your saw and blades less often.
Why does my circular saw blade smoke?
A Dirty Skill Saw Blade Can Cause Smoke The same goes for your circular saw blade. When you use your saw repeatedly for an extended period, something called pitch can begin to coat the teeth of your blade. This pitch is rather sticky. As a result, it creates friction when cutting and possibly smoke.
What do you do with old saw blades?
The best thing to do would be to recycle them at a scrapyard near you. Donate them to a school that has wood shops, art departments, or theater programs. Make interesting pieces of jewelry such as earrings out of circular saw blades. You can use a jigsaw to cut and shape them the way you want.
How many teeth do I need on my circular saw blade?
Number of Teeth Generally, blades with more teeth will provide a smoother, finer cut whereas blades with fewer teeth will provide a rougher cut. The benefit of fewer teeth is faster cutting and a lower price. For most construction work, a 24-tooth general use blade is sufficient.
How many times can you sharpen a circular saw blade?
A good quality carbide blade can be sharpened 3-4 times before some or all the teeth need to be replaced and sharpening is a fraction of the cost of purchasing a new blade. As long as your blade is not warped or severely damaged, the correct answer is yes, the blade should be sharpened.
Is more teeth on a saw blade better?
More teeth means a smoother cut, fewer teeth means that the blade removes more material. Crosscut blades have more teeth and make smoother cuts across the grain of the material, rip blades have fewer teeth, are optimized to cut with the grain, and remove a lot more material.
Are Diablo blades worth it?
Diablo blades are available in a wide selection of sizes and styles and are easy to find online and locally at Home Depot. The consensus is that Diablo saw blades balance great quality with excellent value, and are a good choice when replacing or upgrading the OEM blades that are often bundled with new saws.
Can you sharpen Diablo blades?
To ensure your Diablo cutting tool continues its high performance standards, please contact one of our approved “Authorized Sharpening Service Centers”.
Why is my circular saw burning my wood?
A dull blade will make it hard to cut quickly, and the slower the feed rate of the saw, the more friction against the wood and the greater the likelihood of scorch marks. Pushing the stock through the saw too slowly is a common cause of saw blade burn. Sometimes a blade that feels dull might only be dirty.
Can a circular saw cut a 2X4?
Yes, a 7-1/4 inch circular saw has plenty of blade depth to cut a 2X4. This blade size can even make quick and easy 45 degree angle bevel cuts through a 2X4.
Are used saw blades worth anything?
Old saw blades can be worth some money as scrap material but not a ton. If you have an old saw blade and would like to find out how much it is worth, contact your nearest scrap yard, scrap metal dealer, scrap buyer or recycling center for more information.
Do old saw blades make good knives?
The biggest advantage of using an old saw is the lack of metallurgy you need to do. The blade is already the right hardness for holding an edge, so you don’t need to treat the steel to make it a good knife. However, blanks cut from the saw are sometimes a little too flexible, but you can work around (or with) it.
