DEWALT 6-1/2-Inch 20V MAX Circular Saw, Tool Only (DCS391B) , Yellow

Full Review: Is the DEWALT 20V MAX 6-1/2" Circular Saw (DCS391B) Still One of the Best Cordless Circular Saws?

When it comes to power tools, DEWALT remains one of the most trusted brands for professionals and DIY enthusiasts. The DEWALT 20V MAX Circular Saw (DCS391B) is a compact, powerful, and cordless cutting tool designed for demanding applications on any jobsite. Known for its durability and precision, this circular saw continues to be a top performer among cordless tools.

But with newer models constantly being released, is the DCS391B still worth buying today? Let’s break it down.


Quick Summary

FeatureDetails
ProsPowerful 5150 RPM motor, magnesium shoe, bevel up to 50°, lightweight, excellent grip
ConsTool-only (battery not included), currently unavailable in some stores
Best ForContractors, carpenters, DIY builders, home renovation
Rating⭐⭐⭐⭐⭐ 4.7/5 (10,483+ reviews)

Detailed Review of the DEWALT DCS391B Circular Saw

The DEWALT DCS391B is part of the brand’s popular 20V MAX lineup, meaning it is compatible with any DEWALT 20V MAX battery. This makes it ideal for users who already own DEWALT tools.

1. High-Powered 5150 RPM Motor

The standout feature is its 5150 RPM motor, which provides:

  • fast cutting speed

  • clean and accurate cuts

  • enough power for even demanding materials

Whether you’re cutting plywood, lumber, or sheet goods, this saw delivers professional-grade performance.

2. Lightweight and Durable Magnesium Shoe

The base plate (“shoe”) is made of high-strength magnesium, offering:

  • long-term durability

  • precise and stable cutting

  • reduced weight for easier handling

This is ideal for long work sessions where fatigue can become an issue.

3. Optimized Rubber Overmold Grip

DEWALT designed the handle with a rubber overmold grip, giving you:

  • better balance

  • improved control

  • more comfort during repetitive cuts

This is particularly helpful for overhead or angle-based cuts.

4. 0–50° Bevel Capacity

The saw includes a 50° bevel adjustment, allowing for aggressive angled cuts. This makes it versatile for:

  • framing

  • roofing

  • custom woodworking

  • flooring installations

It can easily adapt to most professional and DIY applications.

5. 6-1/2" Carbide-Tipped Blade Included

The included blade allows you to:

  • cut 2× material at 90° and 45°

  • complete more cuts per battery charge

  • maintain sharpness longer thanks to carbide tips

This makes the tool ready to use out of the box (once you add a battery).


Final Verdict: Should You Buy the DEWALT DCS391B?

Yes — if you already use DEWALT 20V MAX tools or need a reliable cordless circular saw, the DCS391B remains an excellent choice.

You will love this saw if you:

  • need a portable, powerful tool

  • want durable construction with a magnesium shoe

  • value high cutting performance at 5150 RPM

  • already own DEWALT 20V MAX batteries

The only drawback is that it is currently tool-only and may be out of stock in some regions.


👉 Check availability of the DEWALT DCS391B on Amazon.ca:

As an Amazon Associate, I earn from qualifying purchases.

 

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