The DEWALT DCS578B 60V MAX Brushless Cordless 7-1/4 in. Circular Saw is a cordless sidewinder saw built for pros who want full-size cutting capacity without dragging a cord around the jobsite. This is a circular saw designed for framing, sheathing, ripping sheet goods, and general construction cutting. Model Number: DCS578B. If you are already on the FLEXVOLT platform or need a saw that hits more like a corded unit, this is the one DEWALT built for that role.

On the job, the big story is power and speed. DEWALT lists a no-load speed of 5,800 RPM, which helps this saw stay productive in dimensional lumber, plywood, and other common building materials. The saw is rated for up to 47% more power than the DCS575, so it makes sense for users stepping up from an earlier FLEXVOLT circular saw or for crews that need a cordless framing saw that does not feel underpowered when the cut gets longer or the material gets heavier.

Capacity is where this saw earns its place in a truck or trailer. It uses a 7-1/4 inch circular saw blade and delivers a maximum cut depth of 2-9/16 inches at 90 degrees, which is the number most buyers care about for full-depth framing cuts. The bevel range goes to 57 degrees, with stops at 22.5 degrees and 45 degrees. That gives you quick repeat settings for common angle work without fiddling around every time you change layouts.

DEWALT also got the day-to-day details right. The electronic brake stops the blade after the trigger is released, which speeds up repetitive work and makes the saw easier to handle between cuts. The integrated LED helps keep the cut line visible when you are working in a garage, basement, addition, or late in the day. The integrated rafter hook is one of those features that sounds small until you use it constantly. Being able to hang the saw instead of setting it on the floor or balancing it on a plate saves time and keeps the tool where you want it.

Build-wise, the saw uses a magnesium shoe. That matters because it gives you a base that is light enough for all-day handling but still durable enough for real jobsite use. A solid shoe helps the saw track better across material and holds up better when the tool is getting moved in and out of trucks, gang boxes, and temporary cutting stations.

This saw is part of the DEWALT FLEXVOLT 20V/60V MAX battery system. That compatibility matters if you are already running FLEXVOLT batteries on other high-demand tools. The DCS578B is sold as a tool only configuration, so the battery and charger are sold separately. For buyers already invested in the platform, that keeps cost down. For first-time FLEXVOLT users, it means planning the battery purchase at the same time.

Who should buy it? This is a good fit for framers, remodelers, general contractors, roofers, and serious DIY users who want a full-size cordless circular saw for structural cutting. If your work is mostly light trim or occasional punch-list cuts, it may be more saw than you need. If you want cordless freedom with the cutting feel and capacity closer to a corded framing saw, the DCS578B makes a lot of sense.

DEWALT DCS578B 60V MAX Brushless Cordless 7-1/4 in. Circular Saw for Real Framing Work

This is the DEWALT cordless circular saw you buy when you want full-size blade capacity, strong cutting performance, and jobsite-friendly features without stepping back to a cord.

• Who it's for: Framers, remodelers, and contractors who need a serious cordless saw for daily wood cutting, not just occasional trim work.
• Why it stands out: 60V MAX power, 5,800 RPM blade speed, deep 90 degree cut capacity, and small but useful details like the brake, LED, and rafter hook.
• Worth knowing: It is a bare tool, so make sure you have a FLEXVOLT battery and charger ready. If you do, the DEWALT DCS578B is one of the more practical ways to get corded-style circular saw performance in cordless form.

• Is this a corded or cordless circular saw? It is a cordless circular saw powered by a battery.
• What battery platform does it use? It is compatible with DEWALT FLEXVOLT 20V/60V MAX batteries.
• Does this saw have an electric brake? Yes. The electronic brake stops the blade after the trigger is released.
• What is the maximum bevel capacity? The saw bevels up to 57 degrees and has stops at 22.5 degrees and 45 degrees.