Best Undercut Saw 2025: Reviews & Buying Guide

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# Undercut Saws: Your Secret Weapon for Perfect Floors (and More!) in 2025

Ever tried installing new flooring only to be stopped by door jambs? Ugh, the worst, right? That’s where an undercut saw comes in. It’s like a magic wand for getting those clean, professional-looking cuts *without* tearing apart your whole house. Let’s dive into the best undercut saws of 2025 and how to pick the right one for you.

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## DeWalt DCS356B: The Undisputed Champ?

Okay, let’s talk about the DeWalt DCS356B 20V Max XR Oscillating Multi-Tool. It’s a mouthful, I know, but trust me, this thing is a beast.

### Brushless Powerhouse

This bad boy’s got a **brushless motor**, which basically means it runs longer and stronger than those old-school brushed ones. More work done, less battery swapping. Score!

### Speed Control That’s Actually Useful

The **dual-grip variable-speed trigger** gives you serious control. Need a delicate touch for some fancy trim? No prob. Need to power through something tough? Just squeeze harder.

### Quick Changes for the Win

The **quick-change accessory system** is a lifesaver. No more fumbling with wrenches! Just pop in a new blade or attachment and get back to work. Time is money, people.

### Let There Be Light!

The built-in **LED worklight** is clutch when you’re working in dark corners or under cabinets. Plus, it stays on for 20 seconds after you release the trigger, which is surprisingly handy.

**Key Features Recap:**

* Brushless motor (duh)
* Variable speed control (precision is key)
* Quick accessory changes (because nobody likes wasting time)
* LED worklight (say goodbye to shadows)

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## Why You’ll Love It

### Precision Cuts, Guaranteed

The DeWalt DCS356B lets you make **super precise cuts**, even on delicate materials. That variable-speed trigger is your best friend here.

### One Tool to Rule Them All

This isn’t just an undercut saw. It’s also a sander, scraper, and grout remover. Seriously, it’s like having a whole toolbox in one handy gadget. Talk about a space saver!

### Efficiency Booster

The quick-change system and powerful motor mean you can **get more done in less time.** That’s good news for your wallet and your sanity.

### Battery Life That Doesn’t Suck

The brushless motor gives you **extended battery life**, so you can power through those big projects without constantly reaching for the charger.

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## FAQs – Your Burning Questions Answered

**Can I use my other DeWalt 20V Max batteries with this thing?**
Yep! The DCS356B plays nice with all DeWalt 20V Max batteries. Use what you got!

**How do I adjust the cutting depth?**
It doesn’t have a built-in depth adjuster, but you can tweak the cutting depth by carefully positioning the blade and adjusting the tool’s angle. Finesse is your friend here!

**What’s the warranty like?**
DeWalt usually offers a 3-year limited warranty on their power tools, including this one. Peace of mind is priceless.

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## DeWalt vs. The Competition: Who Wins?

Let’s see how the DeWalt stacks up against some other popular options:

### Product Showdown

#### DeWalt DCS356B 20V max XR oscillating Multi-Tool

* **Motor:** Brushless
* **Accessory Changes:** Quick-Change System
* **Speed control:** Variable Speed Trigger
* **Lighting:** LED work light

#### Milwaukee 2735-20 M18 Oscillating Multi-Tool

* **Motor:** Brushless
* **Accessory Changes:** Tool-Free Blade Change
* **Speed Control:** Variable Speed Dial
* **lighting:** LED work light

#### Bosch GOP40-30 StarlockPlus Oscillating Multi-Tool

* **Motor:** Brushed
* **Accessory Changes:** StarlockPlus System
* **Speed Control:** variable Speed Dial
* **Lighting:** None

### The Verdict

The DeWalt and Milwaukee are pretty similar, both rocking brushless motors and LED lights. The DeWalt has a trigger, while Milwaukee uses a dial. The Bosch, however, has a brushed motor and no light. If you want **extended runtime and a trigger-happy speed control**, the DeWalt DCS356B is your best bet.

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## Who Needs This Thing?

**Flooring Installers:** This tool is a game-changer for getting those perfect undercuts.

**Carpenters and Trim Workers:** Sanding, shaping, cutting – this tool does it all. It’s a true jack-of-all-trades.

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## Final Thoughts: Is It Worth It?

If you’re already in the DeWalt 20V Max ecosystem and you dig trigger-based speed control, the DCS356B is a no-brainer. It’s a reliable, versatile tool that will make your projects easier and more efficient. Yeah, you might need to buy batteries separately, but the brushless motor, quick-change system, and variable speed capabilities make it a solid investment.

So yeah, if you’ve been struggling with flooring or trim work, give the DeWalt DCS356B a shot. You might just wonder how you ever lived without it.

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