First things first, you will need to measure the diameter size of your circular blade. Diameter is the measurement starting from the center of the blade up to the sides.
- Measure the Arbor Diameter – When buying a new circular blade, you will need to know the arbor size of the blade. The measurement starts from the blade’s center hole that should need to fit on the arbor of your circular saw. The arbor size should be visible or printed on the saw. If not, then you will need to measure the diameter of the arbor hole.
- Measuring the Blade Diameter – Just like the arbor size, the size of the blade diameter should be printed on the blade. The manufacturers purposely print it so you would know your blade’s measurement. If unfortunately, there’s no printed size information, you’ll need to measure it yourself.
- RPM – You also need to check the RPM or revolution per minute of the blade. This is to ensure that the maximum RPM rate of the new blade will not go beyond the RPM rating of the circular saw. Do this before you start doing any work on your saw.
Different types of circular blade
- Crosscut Blade is a type of circular blade that contains more teeth. Most crosscut blades may contain more than 40 teeth per blade. You will know if it’s a crosscut because of its V-shaped on the top of the teeth or that forms like a valley shape in the center of the blade.
- Rip-Cut Blade is another type of circular blade that has fewer teeth compared to crosscut blades. It usually comes with less than 40 teeth per blade, and the teeth are noticeably flat. It’s fairly easy to differentiate each blade since they have different forms from one another.
- Combination Blade is a type of circular blade which serves its name as it is a combination of either a crosscut or rip cut blade. This is the kind that is used specifically for cutting concrete, metals, and plastics.
Changing the circular blade the right way
- Wear Protective Gloves
First things first, wear working gloves to protect your hands. Go to a clear area or to your workshop to conduct the work well.
- Unplug the tool from the power outlet
Please take out the saw’s battery or unplug it from the outlet. Make sure you won’t do anything yet until it’s unplugged and powerless. Forgetting to unplug the power outlet might cause accidents and harm, so be extra careful.
- Remove the blade
Remove the blade by carefully pressing the lock. Use a wrench to turn the blade until the lock engages, and the blades stop turning.
- Remove the screws
Continue pressing the blade’s lock while simultaneously turning the wrench clockwise to turn the screw. Set aside the screws for later use. Place them on a spot where you can easily locate them once you start attaching it back again.
Then, carefully remove the screw, washer, and the old blade. Set it aside. (Should be out of reach from children)
- Remove the dirt and residues from the blade.
Clean any residues, dirt, or sawdust that your blade guard has collected. Make sure nothing’s left before you proceed to the next step. All the dirt that builds up inside needs to be collected regularly to ensure that the saw will always be in good shape and operate perfectly.
- Position the blade for installation
Look for the engraved or printed arrow sign from the blade. That should indicate how you should position the blade when installing. The arrow sign should be pointing to the front direction of the circular saw. If there’s no arrow sign available, make sure the teeth are facing towards the front of the saw.
- Install the blade
Install the blade in the arbor slot, making sure that the arrow is pointing towards the saw. Then replace the washer and screw as well. When installing the washer and screw, make sure it’s tight enough so it won’t go loose once using it again.
- Lock it back in its place
Last but not least, press the blade’s lock and use the wrench again to turn the lock until the blade engages, and the blades stop turning. Press it continuously and turn the wrench counterclockwise until the screw is tight. Check for any loose screws before testing the saw.
How to tighten the circular saw blade correctly?
Take note that most screws right-hand thread. So to loosen the screw, you should turn it to the left and turn to the right to tighten it. Don’t get confused, and always remember this simple tip to save your time.
Most circular saws use a left-hand thread screw when installing the blade. This means it’s the opposite of the first type of screw mentioned above. You’ll need to turn right to loosen the screw then turn left to tighten it.
How do I change the blade on a 7 1 4 circular saw?
How often should you change a circular saw blade?
What is the first step in changing the blade on a circular saw?
- STEP 1: Unplug or Remove the Battery from the Circular Saw.
- STEP 2: Push and Hold the Blade Lock.
- STEP 3: Loosen the Arbor with the Allen wrench.
- STEP 4: Figure out which way the blade should be installed.
- STEP 5: Tighten the arbor.
How do you change a blade on a skilsaw?
How do you loosen a circular saw blade?
How do I change my Cricut blade?
How often should I change my Cricut blade?
How do I know if my Cricut needs a new blade?
How do I sharpen my Cricut blade?
How long does the blade on a Cricut last?
Is it possible to sharpen a Cricut blade?
What is the 30 degree Cricut blade for?
What degree is a standard Cricut blade?
What is the Cricut deep cut blade used for?
What can the deep point blade cut?
Can you use a deep cut blade for vinyl?
How thick can the deep-point blade cut?
How do you load the blade in deep-point?
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