10 Circular Saw Mistakes You Are Probably Making (And How to Fix Them)

Here is a number that ought to stop you cold. More than 40,000 circular saw accidents happen every single year, and almost half of those end in a permanent partial disability. That is not a quick trip to the ER and back to work. That is permanent.

And here is the part that really gets my attention. Nearly 97 percent of those injuries do not happen on job sites. They happen in home shops and garages, with folks just like you and me. Almost every one of them comes from a mistake nobody ever bothered to teach.

I am Matt with 731 Woodworks, and the circular saw was the very first woodworking tool I ever used. I borrowed one just to get started. I have made some of these mistakes myself and been plain lucky not to get hurt. So today we are going to fix that. Below you will learn the top 10 circular saw mistakes beginners make, why each one is dangerous, and the simple fix that keeps all ten of your fingers right where they belong.

Stick with me, because mistake number seven is the one almost every beginner makes out of pure instinct, and it is the one most likely to get you seriously hurt.

This post contains affiliate links, which means I may earn a small commission if you buy through them, at no extra cost to you. It helps keep the tool deals coming, so thanks for your support. Prices are valid at the time of posting but are subject to change at any time.

Why the Circular Saw Is Still the Tool to Master

The circular saw is one of the most versatile woodworking tools you can own. Even with a shop full of miter saws and table saws, I still reach for it constantly. You can build a whole lot of projects with just this one tool, but only if you use it safely.

Before we get to the mistakes, it helps to know the main styles of circular saws. The good news is that every one of these mistakes applies no matter which kind you own or plan to buy.

The Main Types of Circular Saws

• Corded circular saws. Plug them in and go. Steady power with no battery to charge. Browse the full lineup of corded circular saws here.
• Cordless circular saws. The most popular choice today thanks to all the battery platforms. The new RYOBI Gen 2 7-1/4 inch saw is one I recommend. If you are on another platform, the DeWALT 20v, RIDGID 18v, and Milwaukee 18v are all solid picks.
• Worm drive saws. The beast of the bunch. A SKILSAW worm drive has serious power for heavy workloads.

One quick buying tip. Always choose a brushless motor over a brushed one. Brushless saws give you more power and noticeably better battery life. Blade sizes range from a little 3-1/2 inch saw all the way up to the common 7-1/4 inch, with 6-1/2 inch being a great lightweight middle ground.

The 10 Circular Saw Mistakes to Avoid

Here they are, counted down the way I covered them in the shop. Read all ten, because the small ones set up the dangerous ones.

1. The Death Pinch (Kickback Waiting to Happen)

I call this one the death pinch, and it is the most common cause of kickback. It happens when the two pieces of wood close in and pinch the blade mid cut. The blade is still spinning, so the saw can jump straight back toward you. That is bad news.

Say you are cutting a 2x4 across two Kobalt saw horses. Do not cut in the middle where both sides are supported. Position your cut so the offcut falls freely to the ground. The same rule applies to plywood. Never rip straight down the center where it can pinch and bind.

• Support your workpiece firmly so it cannot shift or slide.
• Clamp your stock to a bench with a good set of Irwin quick clamps when you can.
• A grippy surface like the one on those Kobalt horses keeps boards from sliding.
• Consider a Klein mobile workbench for a stable, portable base.

When the board moves, you invite inaccurate cuts, binding, and kickback. Lock it down.

2. Setting the Blade Way Too Deep

Just because the saw lets you drop the blade deep does not mean you should. A blade set too deep is a real safety hazard. Set the blade so it clears the bottom of the board by only a tooth or two.

• Less blade is exposed below the cut, which is far safer.
• You get cleaner cuts with less tear out on the bottom side.

3. Starting the Blade Against the Material

This is a beginner classic. Folks rest the blade on the wood, then pull the trigger. Most cordless saws like the DeWALT and RYOBI have a safety feature that simply will not start with the blade pinned. The lights just blink at you because the motor is protecting itself.

Here is the fix. Start the blade before it touches the wood, let it reach full speed, then ease through the cut. Do not plunge or force it, or the saw will bog down and shut off. A worm drive will power through, but you will get a messy cut and an accident risk. Slow and smooth wins.

4. Cutting on the Wrong Side of the Line

Want a board exactly 36 inches? Then you cannot let the width of the blade eat into your measurement. Every circular saw has a little notch at the front that shows you the blade path, with markings for both 0 and 45 degrees.

1. Line that notch up so the blade rides on the waste side of your line.
2. Cut on the correct side and you get a true 36 inch piece.
3. Line up wrong and you end up around 35 and 7/8, and there is no such thing as a board stretcher.

A speed square makes lining up that cut quick and repeatable.

5. Ignoring the Good Side of Plywood

Plywood has a good side and a bad side, especially the better sanded grades. Because a circular saw blade cuts on the upstroke from underneath, the cleanest face is the one pointed down.

• Turn the good side down for shelves, boxes, and anything that shows.
• Upgrade to a higher tooth count blade made for sheet goods to reduce splintering.
• For an extra clean line, lay painters tape over the cut on the top face. It will not stop tear out entirely, but it helps a lot.

A standard 24 tooth framing blade tears plywood up. For clean panel cuts, reach for a fine finish blade instead.

6. Freehanding Every Cut

Seasoned carpenters can freehand a dead straight cut after years of practice. As a beginner, you want a guide. The good news is guides are cheap and they make you look like a pro overnight.

• Narrow boards. A speed square works as a quick square or angle guide. Hold it firm against the shoe and cut.
• Budget option. Clamp a 4 foot level or a straight edge saw guide and run the shoe along it.
• Edge guides. A Skateplate guide mounts to almost any saw and follows the outside edge for repeatable rips.
• Repeatable rips. The Kreg Rip Cut lets you cut up to 24 inches over and over, and the new model is even better.
• Breaking down plywood. The Milescraft track saw guide turns nearly any circular saw into a track saw. If you cut a lot of sheet goods, it is well worth it.

Wrestling a full sheet of plywood across a table saw is awkward and risky. A guide brings the saw to the wood instead.

7. Bad Hand Placement (The One That Hurts People)

This is the big one. It is the mistake that gets beginners hurt because they do it out of pure instinct. On a long cut, the offcut starts to sag, and your natural reaction is to reach under and grab it with your free hand.

Do not do it. If your hand is down there when the saw kicks back, the blade runs right across your fingers. That is exactly where the most catastrophic injuries happen.

• Keep your free hand well away from the blade path, where it can steady the saw or the board.
• Resist the urge to support a sagging offcut by hand.
• Support long cuts with horses, a bench, or a track guide instead of your fingers.

8. Running a Dull or Wrong Factory Blade

That factory blade is usually a 24 tooth made for rough framing. It is great for chopping 2x4s and building walls. For finer work on plywood and sheet goods, step up to a 50 or 60 tooth blade.

When any blade goes dull, do not force it through the cut. A dull blade is harder on your tools, walks off line, and scorches the wood with friction burns. Ask me how I know.

• Match the blade to the job. Framing blades for lumber, high tooth count for sheet goods.
• Keep fresh blades on hand. Grab a 7-1/4 inch blade or a 6-1/2 inch blade to match your saw.
• Sometimes a blade is not dull, just gummy with pine sap. A little Simple Green and a brush cleans it right up and saves you money.

9. Not Checking Reclaimed Wood for Metal

If you cut reclaimed lumber, pallet wood, or do any demolition, inspect the material first. Hidden nails, staples, and screws will destroy a standard blade in a heartbeat. A regular blade is made to cut wood, not metal.

• Scan and feel the board before every cut on reclaimed stock.
• For demo work, use a dedicated CMT demolition blade built to slice through embedded fasteners.

10. Lifting the Saw While the Blade Is Still Spinning

Finish your cut and let the blade come to a full stop before you pick the saw up. Lift it too soon and several bad things can happen.

• The spinning blade can nick your workpiece or cause extra tear out.
• It can damage the blade depending on how it catches.
• It can kick back and injure you.

Patience costs nothing. Let it spin down, then lift.

The Upgrade Worth Saving For: A Track Saw

Here is one of the biggest tips I can give you. If you only break down plywood now and then, the Milescraft track saw guide is an excellent low cost solution. But if you build cabinets, shelves, or anything with a lot of sheet goods, you should strongly consider a true track saw.

It is one of the greatest inventions for cutting plywood I have ever used, and honestly my favorite woodworking tool that I own. A couple I recommend:

• Milwaukee M18 Track Saw if you want cordless freedom on a battery platform.
• Makita Corded Track Saw if you would rather skip the battery platform entirely.

I have a whole video ranking every track saw I have tested. Just search 731 Woodworks track saw on YouTube to find it.

How to Pick a Quality Circular Saw

I have owned a pile of circular saws over the years. Here is what actually matters when you are shopping.

• A solid metal base (the shoe). Avoid flimsy plastic bases that flex.
• A tight bevel mechanism. Tilt it over and check that the pivot points feel rock solid on both ends.
• A brushless motor. More power and better runtime than brushed models.

A plasticky base can deflect on thicker stock and throw your cuts off. The new RYOBI Gen 2, the DeWALT, and the SKILSAW all have excellent, sturdy bases and tilt mechanisms.

Final Thoughts: Slow Down and Keep All Ten

The circular saw built my whole woodworking journey, and it can build yours too. Almost every accident on this list traces back to rushing or to a habit nobody ever corrected. Now you know better. Support your work, mind your hands, match the blade to the job, and let the saw do the work.

Take your time, respect the tool, and you will get clean cuts and keep every finger you started with. That is a trade worth making every single day.

If this helped you out, I would love for you to subscribe on YouTube as we push toward a million. And if you want to keep sharpening your skills, check out more of my guides linked below this post. The next one waiting for you is what to never do with your table saw, because most beginners do.