Table Saw Safety: Why You Need a Riving Knife and a Push Stick

Thirty-three thousand four hundred. That’s how many table saw injuries were treated in U.S. emergency departments in 2015 alone, according to CPSC data. And here’s the kicker: 92 percent of those—about 30,800—involved direct contact with the blade. That’s not a stat to shrug off. It’s a wake-up call for every DIYer who thinks a quick cut is no big deal.

We’re not here to scare you away from the table saw—it’s one of the most versatile tools in any woodshop. But we are here to make you smarter about using it. If you’re a weekend warrior who’s built a few shelves or a beginner who just unboxed your first saw, this guide is for you. We’ll walk you through the exact steps to set up your saw safely, choose the right gear, and avoid the mistakes that send thousands of people to the ER every year. By the end, you’ll know why a riving knife is non-negotiable and why a push stick is your best friend.

Why the Table Saw Is So Dangerous

Let’s put some numbers on it. In that same 2015 CPSC report, they broke down the types of injuries: about 18,100 lacerations, 5,900 fractures, 4,700 amputations, and 2,000 avulsions. That’s a lot of fingers lost. And here’s the thing: table saws account for 52.4 percent of all amputations related to workshop products. So when we say this tool demands respect, we mean it.

The problem isn’t just the spinning blade—it’s kickback. When a workpiece gets pinched or binds, it can be thrown back at you at high speed. That’s why OSHA’s woodworking safety rules emphasize guarding and proper technique. They’re not just bureaucratic red tape; they’re life-saving measures.

Step 1: Check Your Saw’s Safety Features

Before you ever plug in your saw, make sure it has the right guards in place. OSHA 29 CFR 1910.213 requires every hand-fed circular ripsaw to have a hood that encloses the saw above the table, plus a spreader that’s thinner than the saw kerf, and non-kickback fingers or dogs to prevent kickback. That spreader is what we now call a riving knife.

Here’s the deal: many older saws don’t have a riving knife—they might have a splitter or nothing at all. If your saw doesn’t have one, you need to get one. A riving knife sits closer to the blade and moves with it, so it’s more effective at preventing kickback than a fixed splitter. And if you’re buying a new saw, make sure it has one. Don’t take it off—ever.

Also, check that your blade guard is in place and functional. Some folks remove it because it gets in the way, but that’s a huge mistake. The guard is there to keep your fingers away from the blade. Use it.

Step 2: Gear Up with the Right PPE

You can’t see a blade injury coming, but you can protect yourself from the most common types. First, eye protection. OSHA 1910.133 requires protective eye and face devices to meet ANSI standards, and they must have side protection when there’s a risk of flying objects. That means safety glasses with side shields—not your everyday prescription glasses unless they’re rated.

Next, hearing protection. The noise from a table saw can easily exceed 85 dB, which is the level where NIOSH recommends wearing hearing protection. OSHA’s permissible exposure limit is 90 dBA for 8 hours, but that’s for a workplace, not your garage. In a home shop, you might be cutting for an hour or two, but why risk it? A simple pair of foam earplugs or earmuffs is cheap.

And don’t forget a respirator. Sanding and cutting wood creates fine dust that you don’t want in your lungs. OSHA 1910.134 says a HEPA filter must be at least 99.97 percent efficient at removing particles of 0.3 micrometers, and the NIOSH-approved versions are N100, R100, or P100. For most DIY work, an N95 is okay, but if you’re working with MDF or hardwood, step up to a P100.

Step 3: Use Push Sticks and Clamps—Always

Now, let’s talk about the actual cutting. OSHA’s woodworking safety guidelines say to always secure the workpiece with clamps or a vise and use push sticks for narrow cuts on a table saw. That’s not just a suggestion—it’s a rule.

Here’s a concrete example: you’re ripping a 2x4 down to 2 inches wide. Your fingers are going to be within inches of the blade if you don’t use a push stick. One slip, and you’re looking at a laceration or worse. A push stick costs a few bucks or you can make one in five minutes. Use it.

For wider panels, use push blocks or a feather board to keep the wood flat against the fence. And never, ever reach over the spinning blade to clear scraps. Stop the saw first.

Step 4: Know Your Limits—and When to Hire a Pro

Here’s the thing we all need to accept: some tasks are beyond a DIYer’s capability. OSHA lists electrical panel work, structural modifications, and gas line work as tasks that carry risks beyond casual DIY. If you’re thinking about modifying a load-bearing wall or rewiring your house, that’s a job for a licensed professional. Don’t risk your life or your home to save a few bucks.

And remember, even in woodworking, there are limits. If you’re feeling fatigued, rushed, or distracted, stop. OSHA says most DIY injuries happen in the final 20 minutes of a project when attention lapses. So, take a break, come back fresh.

What Can Go Wrong: The Kickback Scenario

Picture this: you’re ripping a board, and it starts to bind. The blade grabs the wood and throws it back at you—fast. You don’t have time to react. That’s what happens without a riving knife and push stick. Kickback can cause serious injuries, not just to your hands but to your body.

One of the most common causes of kickback is using a dull blade. OSHA 29 CFR 1910.213(s)(1) says dull saws must be removed from service immediately because they cause material to stick, jam, or kick back. So, check your blade regularly. If it’s not cutting cleanly, replace it or have it sharpened.

Quick tip: Always stand to the side of the blade when cutting, not directly behind it. If kickback happens, you don’t want to be in the line of fire.

Comparison: Riving Knife vs. Splitter vs. None

As you can see, a riving knife is the clear winner. If your saw doesn’t have one, consider upgrading or retrofitting. It’s one of the best safety investments you can make.

Bottom Line

Table saws are powerful tools, but they demand respect. The single best move you can make is to ensure your saw has a riving knife, use a push stick for every narrow cut, and always wear eye, ear, and respiratory protection. That’s not being paranoid—that’s being smart. The stats are clear: thousands of injuries happen every year, and most are preventable. Don’t become a statistic.

Warning: Never remove the blade guard or riving knife to save time. It’s not worth the risk of losing a finger.

Sources

• CPSC Federal Register table saw rule - https://www.federalregister.gov/documents/2017/05/12/2017-09098/safety-standard-addressing-blade-contact-injuries-on-table-saws
• OSHA Woodworking Safety - https://www.osha.gov/woodworking
• OSHA 29 CFR 1910.213 - https://www.law.cornell.edu/cfr/text/29/1910.213
• OSHA 29 CFR 1910.133 - https://www.law.cornell.edu/cfr/text/29/1910.133
• OSHA 29 CFR 1910.134 - https://www.law.cornell.edu/cfr/text/29/1910.134
• NIOSH Noise - https://www.cdc.gov/niosh/noise/about/noise.html