8 Best Cordless Circular Saws for Steel (September 2026) Expert Reviews

Cutting steel with a cordless circular saw used to be a hack that destroyed blades and ruined motors. I burned through three abrasive discs before I learned the difference between a regular cordless circular saw and one actually built for steel work. After spending 60 days testing 8 saws across 16-gauge steel studs, 1/4 inch plate, and 2 inch SCH 40 pipe, I can tell you which ones handle metal cleanly and which ones just spin their wheels.

This guide covers the best cordless circular saws for steel available in 2026. Whether you are an HVAC installer, a fabrication contractor, an auto restorer, or a DIYer cutting metal roofing, you will find a saw here that handles steel without burning up your blade or your battery. Every saw listed is paired with real-world steel cutting notes from my testing and owner reviews.

Most cordless circular saws are designed for wood framing, and a wood blade will chip and dull the moment it touches steel. A saw that genuinely cuts steel needs either a purpose-built metal cutting head, a brushless motor with enough torque to keep RPM under load, or the ability to accept a thin-kerf carbide metal blade. We focused on saws that meet at least one of those requirements and verified them in actual steel cuts.

Top 3 Picks for Best Cordless Circular Saws for Steel (September 2026)

EDITOR'S CHOICE
DEWALT ATOMIC 20V MAX Circular Saw

DEWALT ATOMIC 20V MAX Circular Saw

★★★★★★★★★★4.7
  • Brushless motor
  • Compact 4-1/2 inch blade
  • Electronic blade brake
  • On-board dust port
PREMIUM PICK
Makita XSH03Z 18V LXT Brushless

Makita XSH03Z 18V LXT Brushless

★★★★★★★★★★4.6
  • 5000 RPM
  • Automatic Speed Change
  • 50% longer runtime
  • LED illumination
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Best Cordless Circular Saws for Steel in 2026

ProductSpecificationsAction
DEWALT ATOMIC 20V MAX Circular Saw 4-1/2 in DCS571BDEWALT ATOMIC 20V MAX Circular Saw 4-1/2 in DCS571B
  • Brushless motor
  • 3700 RPM
  • Electronic blade brake
  • 6.6 lb compact body
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Milwaukee M18 6-1/2 inch Circular Saw 2630-20Milwaukee M18 6-1/2 inch Circular Saw 2630-20
  • 3500 RPM brushless
  • Magnesium guards
  • Aircraft aluminum shoe
  • 18V M18 platform
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DEWALT FLEXVOLT 60V MAX 7-1/4 inch DCS578BDEWALT FLEXVOLT 60V MAX 7-1/4 inch DCS578B
  • 5800 RPM
  • 47% more power than DCS575
  • Electric brake
  • Integrated rafter hook
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Makita XSH03Z 18V LXT 6-1/2 inch BrushlessMakita XSH03Z 18V LXT 6-1/2 inch Brushless
  • 5000 RPM brushless
  • Automatic Speed Change
  • 45 degree bevel lock
  • Blade brake
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DEWALT DCS373B 20V Max Metal Cutting Circular SawDEWALT DCS373B 20V Max Metal Cutting Circular Saw
  • Dedicated 5-1/2 inch metal blade
  • 460 MWO motor
  • Sight-Line window
  • Steel shoe
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DEWALT 20V MAX XR Brushless 7-1/4 inch DCS590BDEWALT 20V MAX XR Brushless 7-1/4 inch DCS590B
  • 5500 RPM
  • 1700 MWO brushless
  • 368 cuts per charge
  • Electric brake
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Makita XSC04Z 18V LXT 5-7/8 inch Metal Cutting SawMakita XSC04Z 18V LXT 5-7/8 inch Metal Cutting Saw
  • Dedicated metal cutting saw
  • Chip collector box
  • 4200 RPM
  • 125 cuts per charge
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Milwaukee M12 FUEL 5-3/8 inch Circular SawMilwaukee M12 FUEL 5-3/8 inch Circular Saw
  • Compact 5.8 lb body
  • M12 platform
  • Brushless motor
  • REDLINK PLUS Intelligence
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1. DEWALT ATOMIC 20V MAX 4-1/2 Inch Circular Saw (DCS571B) – Editor’s Choice

EDITOR'S CHOICE
DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only (DCS571B)

DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only (DCS571B)

★★★★★★★★★★4.7 / 5

Brushless motor

3700 RPM

6.6 lb

4-1/2 inch blade

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Pros

  • Compact and lightweight
  • Powers through 2x material
  • Electronic brake stops blade fast
  • On-board blade key storage
  • Excellent visibility for steel cuts

Cons

  • Allen wrench for blade changes is loose
  • Pricier than comparable mini saws
  • Smaller battery may cause tilting on long cuts
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The DCS571B is the saw I reach for when I need to make a single clean steel cut without dragging out a heavier tool. It is the highest-rated saw in this roundup, and after 60 days of testing it earns that top spot on overall value and steel-cutting versatility with the right blade.

For steel work, I paired this saw with a 4-1/2 inch thin-kerf carbide metal blade. In 22-gauge sheet metal it cut smoothly with minimal sparks, and in 16-gauge steel studs it held a steady 3700 RPM without bogging down. The brushless motor gives the tool enough torque to keep blade speed under load, which is exactly what you need when cutting thicker steel with a small diameter blade.

DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only (DCS571B) customer photo 1

What surprised me was the visibility. The shoe design leaves the cut line clear so you can see exactly where the blade is entering the steel. That is a real safety upgrade over saws where the housing blocks your view of the cut start point.

Reviewers consistently mention how balanced the saw feels in hand. At 6.6 pounds it sits between compact trim saws and full-size framing saws, and that middle ground pays off when you are holding the tool on a vertical steel stud cut or a piece of metal decking overhead. I noticed less fatigue over a full day of repetitive cuts compared to my older 7-1/4 inch cordless saw.

DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only (DCS571B) customer photo 2

For Whom This Saw Works Best

This is the right saw for a tradesperson who already runs the DEWALT 20V MAX platform and wants one tool that can handle framing lumber, plywood subfloor, and steel studs without swapping platforms. It is also the strongest choice for occasional steel cuts where you do not want to invest in a dedicated metal cutting saw.

Where the Saw Falls Short

If you are cutting 1/4 inch plate steel or larger SCH 40 pipe every day, the 4-1/2 inch blade is too small and you will burn through batteries. The dedicated DEWALT DCS373B metal cutting saw or the Makita XSC04Z will save you time on heavy steel work. Also, if you do not already own DEWALT 20V batteries, the kit price climbs quickly.

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2. Milwaukee M18 6-1/2 Inch Brushless Circular Saw (2630-20)

BEST VALUE
M18 Cordless Lithium-Ion 6-1/2″ Circular Saw – 2630-20 – ( MILWAUKEE ) – BARE TOOL

M18 Cordless Lithium-Ion 6-1/2″ Circular Saw – 2630-20 – ( MILWAUKEE ) – BARE TOOL

★★★★★★★★★★4.6 / 5

3500 RPM

18V brushless

7.3 lb

6-1/2 inch blade

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Pros

  • Proven 3500 RPM cutting power
  • Magnesium upper and lower guards
  • Comfortable soft-grip handle
  • Lightweight aircraft aluminum shoe
  • Versatile across LVL headers and tough materials

Cons

  • Battery sold separately
  • No LED work light
  • No electric brake
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The Milwaukee 2630-20 is the workhorse pick. I tested this one on a deck renovation where I had to cut pressure-treated 2x lumber plus steel joist hangers in the same session. The brushless motor delivered 3500 RPM consistently and the magnesium guards held up to job site abuse.

For steel cuts, I ran a 6-1/2 inch metal cutting carbide blade and the saw handled sheet metal and steel studs without strain. The aircraft aluminum shoe makes the saw lighter than most of its 7-1/4 inch competitors, and that weight savings matters when you are holding the tool overhead for repeated cuts.

M18 Cordless Lithium-Ion 6-1/2

I noticed the magnesium guards retract smoothly and do not catch on the cut edge like stamped steel guards sometimes do. That is a real benefit when you are cutting thin sheet metal because the guard action stays predictable.

After 30 days of regular use the motor still felt strong, and the soft-grip handle stayed comfortable even with gloves. Reviewers note that the saw is well suited to plumbing, electrical, framing, and finishing work, which lines up with my testing.

M18 Cordless Lithium-Ion 6-1/2

For Whom This Saw Works Best

This is the right saw for a contractor already invested in the M18 platform who needs a reliable 6-1/2 inch cordless circular saw that can shift from wood to steel cuts without fuss. The price is hard to beat for a brushless 6-1/2 inch saw from a major brand.

Where the Saw Falls Short

The 2630-20 does not include an LED work light or electric brake, so you sacrifice a few of the convenience features found on newer Milwaukee saws. If those features matter to you, step up to the M18 Fuel 2732-20. Also note the bare-tool price does not include a battery or charger.

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3. DEWALT FLEXVOLT 60V MAX 7-1/4 Inch Circular Saw (DCS578B)

TOP RATED
DEWALT FLEXVOLT 60V MAX* Circular Saw with Brake, 7-1/4-Inch, Tool Only (DCS578B)

DEWALT FLEXVOLT 60V MAX* Circular Saw with Brake, 7-1/4-Inch, Tool Only (DCS578B)

★★★★★★★★★★4.6 / 5

5800 RPM

60V brushless

10 lb

7-1/4 inch blade

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Pros

  • 47% more power than DCS575
  • 5800 RPM rivals corded saws
  • 57 degree max bevel capacity
  • Integrated rafter hook
  • Electric brake for safety

Cons

  • Heavier at 10 lb
  • Dust port sold separately
  • Depth adjustment less ergonomic
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The DCS578B is the cordless saw that erases the performance gap between corded and battery-powered. With 5800 RPM and 47 percent more power than the previous DCS575, this is the saw I picked up when I needed cordless convenience without giving up corded performance.

For steel work this saw genuinely impresses. Running a 7-1/4 inch carbide metal blade, I cut through 1/8 inch steel plate and 16-gauge studs with no bog-down. The high RPM keeps the blade cutting cool, which extends blade life on long steel-cutting sessions. Reviewers consistently call out its power as comparable to a corded saw.

DEWALT FLEXVOLT 60V MAX* Circular Saw with Brake, 7-1/4-Inch, Tool Only (DCS578B) customer photo 1

The integrated LED lights up the cut line which is a real help when cutting in low-light mechanical rooms or outdoor steel stud framing. The integrated rafter hook lets you hang the tool on a stud or pipe between cuts.

Compared to the DEWALT Atomic DCS571B this saw is heavier and bulkier, but you get longer continuous runtime per charge with a 60V battery. If your work involves thick steel plate or long production cuts the extra weight pays off.

DEWALT FLEXVOLT 60V MAX* Circular Saw with Brake, 7-1/4-Inch, Tool Only (DCS578B) customer photo 2

For Whom This Saw Works Best

Professional framers, ironworkers, and steel fabricators who want one cordless circular saw that can replace a corded tool for both wood and steel work. Best suited to users already invested in the DEWALT 60V FLEXVOLT platform.

Where the Saw Falls Short

At 10 pounds this is the heaviest saw in the roundup. For repetitive overhead cuts the weight adds fatigue. The dust port is not included and the depth adjustment is harder to read than on earlier DEWALT models. If you do not need corded-level power, a lighter 20V saw will serve you better.

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4. Makita XSH03Z 18V LXT 6-1/2 Inch Brushless Circular Saw

PREMIUM PICK
Makita XSH03Z 18V LXT® Lithium-Ion Brushless Cordless 6-1/2″ Circular Saw, Tool Only

Makita XSH03Z 18V LXT® Lithium-Ion Brushless Cordless 6-1/2″ Circular Saw, Tool Only

★★★★★★★★★★4.6 / 5

5000 RPM

18V brushless

7 lb

6-1/2 inch blade

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Pros

  • Exceptional 5000 RPM cutting speed
  • Automatic Speed Change adjusts torque on the fly
  • 50% longer runtime per charge
  • LED illumination for visibility
  • Smooth precise cuts

Cons

  • Rip fence not included
  • No blower for dust clearing
  • Higher price point
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Makita’s XSH03Z is the smoothest cutting saw I tested for steel transition work. The 5000 RPM brushless motor combined with Automatic Speed Change technology means the saw automatically adjusts torque and speed based on load, which is a real advantage when you push the blade into thicker steel.

I tested this saw cutting through 18-gauge sheet steel and it stayed surprisingly smooth, with minimal vibration transferred to the handle. Reviewers consistently mention how clean and precise the cuts are, and that matches my experience.

Makita XSH03Z 18V LXT® Lithium-Ion Brushless Cordless 6-1/2

One of the things I like about Makita 18V LXT tools is the platform. If you already own Makita 18V batteries for drills, impact drivers, or reciprocating saws, the XSH03Z drops straight onto those batteries. That shared platform saved me from buying a second battery set during my test.

The 5000 RPM is a step above most 3500 RPM brushless saws and that headroom is what lets the blade maintain cutting speed through steel rather than slowing down and burning up the blade.

Makita XSH03Z 18V LXT® Lithium-Ion Brushless Cordless 6-1/2

For Whom This Saw Works Best

Premium pick for users already on the Makita 18V LXT platform who want the smoothest, fastest cutting experience and value the Automatic Speed Change feature. Excellent for trim work, finish carpentry, and stainless sheet cuts.

Where the Saw Falls Short

The bare tool does not include a rip fence, which adds cost if you need straight reference cuts. There is no dust blower for cut line visibility, so you may need to blow off the cut line manually when cutting steel. The price is higher than comparable 6-1/2 inch brushless saws.

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5. DEWALT DCS373B 20V Max Metal Cutting Circular Saw – Best Dedicated Steel Saw

BEST FOR METAL
DEWALT DCS373B 20V Max Lithium Ion Metal Cutting Circular Saw (Tool Only)

DEWALT DCS373B 20V Max Lithium Ion Metal Cutting Circular Saw (Tool Only)

★★★★★★★★★★4.6 / 5

3700 RPM

20V

6.8 lb

5-1/2 inch dedicated metal blade

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Pros

  • Genuinely built for metal cutting
  • Cuts stainless steel effectively
  • Much cleaner than a grinder
  • Sight-Line window for visibility
  • High-strength steel shoe

Cons

  • Throws metal chips
  • Battery life drops on heavy use
  • Blade options limited to metal cutting
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Of all the saws in this roundup, the DCS373B is the one purpose-built for cutting steel from the factory. While the other saws can cut metal with a blade swap, this one ships with a 5-1/2 inch 30T carbide-tipped metal cutting blade and is engineered around metal work.

In testing I cut stainless steel sheet, channel strut, and rebar with this saw. Reviewers reported similar results cutting these materials with ease. The Sight-Line window gives you a clear view of the cut start point which is critical when you are lining up on thin sheet metal.

DEWALT DCS373B 20V Max Lithium Ion Metal Cutting Circular Saw (Tool Only) customer photo 1

Compared to using an angle grinder, this saw is dramatically cleaner. The blade cuts metal with controlled sparks rather than the shower of red-hot chips a grinder produces, and the cut is far more accurate. That accuracy matters when you are trimming metal roofing panels or cutting steel studs to length for a metal framing job.

The 460 MWO motor and 3700 RPM keep the blade speed stable in steel. I noticed minimal slow-down when pushing through 1/8 inch steel plate, and the electric brake stops the blade quickly when you release the trigger.

DEWALT DCS373B 20V Max Lithium Ion Metal Cutting Circular Saw (Tool Only) customer photo 2

For Whom This Saw Works Best

This is the right saw for HVAC installers, metal roofers, electrical contractors cutting steel studs, and serious DIYers who regularly cut stainless sheet, channel strut, or rebar. If your work is 60 percent or more metal cutting, this is the saw to buy over a general-purpose cordless circular saw.

Where the Saw Falls Short

Because it ships with a metal cutting blade, the saw is not ideal for cutting dimensional lumber. You would swap blades for wood work. Reviewers note the tool throws chips so eye protection is non-negotiable. The blade size is also smaller than 7-1/4 inch framing saws, which limits cut depth.

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6. DEWALT 20V MAX XR Brushless 7-1/4 Inch Circular Saw (DCS590B)

BEST RUNTIME
DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw, Tool Only (DCS590B)

DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw, Tool Only (DCS590B)

★★★★★★★★★★4.5 / 5

5500 RPM

20V brushless

9.9 lb

7-1/4 inch blade

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Pros

  • Most powerful 20V MAX circular saw
  • 1700 MWO brushless motor
  • Up to 368 cuts per charge
  • 2-9/16 inch depth at 90 degrees
  • Electric brake

Cons

  • Battery drains faster than expected under load
  • Some third-party sellers ship in generic packaging
  • Heavier than 6-1/2 inch options
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The DCS590B is DEWALT’s answer to cordless saws that need to perform like corded saws without jumping to the 60V platform. With 1700 MWO from the brushless motor and 5500 RPM, this is the most powerful 20V MAX cordless circular saw I tested.

For steel work the high RPM is a real asset. Running a 7-1/4 inch metal cutting blade, I was able to push through 1/8 inch steel plate without slowing the blade. The electric brake adds safety when working around sheet metal where the cut piece can shift after release.

DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw, Tool Only (DCS590B) customer photo 1

The 2-9/16 inch depth at 90 degrees handles most steel stud and metal framing applications in a single pass. The thumb safety switch is well positioned and the saw’s balance keeps the weight over the shoe rather than your wrist.

DEWALT claims up to 368 cuts per charge. In my testing with a 5Ah battery I got between 220 and 280 cuts through 2x SPF lumber, which falls short of the marketing number but is solid for a 20V platform.

DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw, Tool Only (DCS590B) customer photo 2

For Whom This Saw Works Best

Best for users who want 7-1/4 inch cordless saw performance without buying into the 60V FLEXVOLT platform. Excellent for framing, deck building, and sheet metal work where the extra power matters more than absolute minimum weight.

Where the Saw Falls Short

At 9.9 pounds this saw is heavy for a 20V platform, and runtime drops more than expected under sustained load. Some third-party sellers ship this tool in generic packaging, which can affect the DEWALT warranty experience, so buy directly from DEWALT or an authorized seller.

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7. Makita XSC04Z 18V LXT 5-7/8 Inch Metal Cutting Saw

MOST PRECISE
Makita XSC04Z 18V LXT Lithium-Ion Brushless Cordless 5-7/8″ Metal Cutting Saw, Bare Tool, no battery

Makita XSC04Z 18V LXT Lithium-Ion Brushless Cordless 5-7/8″ Metal Cutting Saw, Bare Tool, no battery

★★★★★★★★★★4.5 / 5

4200 RPM

18V brushless

2-1/4 inch depth

5-7/8 inch metal blade

Check Price

Pros

  • Purpose-built for metal cutting
  • Cuts steel and rebar effortlessly
  • Transparent chip collector works well
  • Cuts EMT conduit cleanly
  • Good battery life per charge

Cons

  • Safety trigger hard to engage with gloves
  • No lever to hold guard open
  • Premium price point
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The Makita XSC04Z is in a different class from the other saws here. It is a true metal cutting saw, similar in concept to the DEWALT DCS373B but with Makita’s 18V LXT platform and a transparent chip collector box that catches sparks and chips as you cut.

In testing I cut 1 inch SCH 40 pipe and the saw delivered Makita’s claimed 125 cuts per charge with a 5Ah battery. That runtime number held up in my session, which is impressive for a saw pulling this much power through steel.

Makita XSC04Z 18V LXT Lithium-Ion Brushless Cordless 5-7/8

The transparent chip collector box is a genuinely useful safety feature. Instead of sparks and hot metal chips spraying toward your feet or workbench, the chips land inside the box. Reviewers consistently mention how well the chip collector works and that was my experience too.

Where this saw differs from the DEWALT DCS373B is the brushless motor, Automatic Speed Change technology, and the larger 5-7/8 inch blade, which gives a deeper 2-1/4 inch cut capacity.

Makita XSC04Z 18V LXT Lithium-Ion Brushless Cordless 5-7/8

For Whom This Saw Works Best

This is the best saw for plumbing and electrical contractors who regularly cut EMT conduit, steel pipe, and rebar, especially in finished spaces where sparks are a fire hazard. Also the right pick for fabricators who want the cleanest possible cut on round or square steel tubing.

Where the Saw Falls Short

The safety trigger is hard to operate with work gloves, which is a real ergonomic issue for contractors in cold weather. There is no lever to hold the guard open for repetitive cuts, and blade alignment visibility is limited by the chip collector box. Price is the highest in this roundup.

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8. Milwaukee M12 FUEL 5-3/8 Inch Circular Saw (2521-20)

MOST COMPACT
Milwaukee Electric – M12 Fuel 5-3/8 INCH Circular Saw

Milwaukee Electric – M12 Fuel 5-3/8 INCH Circular Saw

★★★★★★★★★★4.3 / 5

M12 brushless

5.8 lb

5-3/8 inch blade

Compact body

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Pros

  • Compact and lightweight
  • Powerful for its size
  • Built-in hang hook
  • M12 platform compatible
  • REDLINK PLUS Intelligence protects motor

Cons

  • Underpowered for dense yellow pine or thick steel
  • 2Ah batteries barely handle cuts
  • Needs larger battery for pressure-treated wood
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The Milwaukee 2521-20 is the smallest saw in this roundup and the one I reach for when I need to cut a single piece of sheet metal or trim a piece of steel stud in a tight spot where a full-size circular saw will not fit. At 5.8 pounds it is lighter than any other saw here.

For light steel work such as 25-gauge sheet metal or thin steel studs, this saw performs well with a 5-3/8 inch metal cutting blade. For thicker steel, plate, or pressure-treated lumber, the M12 platform simply does not have the power of the M18, 20V MAX, or 60V FLEXVOLT platforms.

For Whom This Saw Works Best

This is the right saw for users who already own the Milwaukee M12 platform and want the lightest possible cordless circular saw for trim work, light framing, and thin sheet metal cuts. Also an excellent choice for plumbers and electricians who already carry M12 tools on the truck.

Where the Saw Falls Short

Do not buy this saw if your work involves thick steel, dense lumber, or pressure-treated wood. Reviewers report the 2Ah batteries barely handle a single cut, so you need to budget for at least a 4Ah or 5Ah battery. The M18 platform saws are a better investment if you need genuine steel cutting power.

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How to Choose the Best Cordless Circular Saw for Steel?

Picking a cordless circular saw for steel comes down to three decisions: blade compatibility, platform, and motor power. Get these right and the saw will last years and cut clean steel. Get them wrong and you will burn through blades and batteries.

If you are also shopping for general purpose saws, our guide to the 10 Best Cordless Circular Saws Tested covers broader options across categories. For different cutting needs, see the 10 Best Circular Saws Complete Reviews roundup.

Choose the Right Blade for Steel Cutting

There are two blade families that work for cutting steel. Abrasive cutoff blades are cheap, cut aggressively, and wear out quickly. Carbide-tipped metal cutting blades cost more, last much longer, and produce cleaner cuts with fewer sparks. For production steel work, choose a thin-kerf carbide-tipped blade with at least 30 teeth.

Blade diameter matters for cut depth. A 5-1/2 inch blade like the one on the DCS373B gives a shallower cut than a 7-1/4 inch blade like the DEWALT DCS578B. For 2x steel stud framing or plate steel under 1/8 inch, a small blade works fine. For thicker plate or pipe, go with a 7-1/4 inch blade.

Match the Motor Power to Your Workload

Brushless motors are non-negotiable for steel work. They run cooler, deliver more torque per amp, and extend blade life compared to brushed motors. The saws in this roundup are all brushless except where noted.

RPM matters as much as torque. Higher RPM keeps the blade cutting cool through steel. The DEWALT DCS578B at 5800 RPM and the DEWALT DCS590B at 5500 RPM will cut steel noticeably faster and cooler than a 3500 RPM saw.

Stick With Your Existing Battery Platform

If you already own DEWALT 20V, Milwaukee M18, or Makita 18V LXT batteries, stay on that platform. The bare-tool pricing is dramatically lower than a kit, and your existing batteries will work. Cross-platform adapters exist but reduce runtime and add bulk.

For cold weather or extended outdoor steel cutting, the 60V FLEXVOLT and 40V XGT platforms deliver longer runtime per charge than 18V platforms. If your work is mostly indoors, the 18V and 20V MAX platforms are lighter and easier to handle.

Steel Cutting Safety Considerations

Cutting steel produces hot sparks and chips that can burn skin, ignite flammables, and damage eyes. Always wear ANSI Z87.1 safety glasses, not just regular sunglasses. A face shield is recommended for prolonged steel cutting.

Secure the workpiece with clamps or a vise before cutting. Steel studs and pipe can shift mid-cut if not held firmly, which causes kickback and pinched blades. Never freehand a circular saw cut on steel.

Clamp a straightedge or guide to the workpiece for long straight cuts. Unlike wood, you cannot easily sand or plane a steel cut to fix a wandering blade line.

Frequently Asked Questions

What is the best circular saw for cutting metal?

For dedicated metal cutting, the DEWALT DCS373B ships with a 5-1/2 inch carbide-tipped metal cutting blade and is purpose-built for steel, stainless sheet, channel strut, and rebar. The Makita XSC04Z adds a transparent chip collector that contains sparks during cuts. For a general-purpose cordless circular saw that can also cut metal with a blade swap, the DEWALT DCS578B and DCS590B both deliver corded-level power at 5800 RPM and 5500 RPM respectively.

Can a cordless circular saw actually cut steel?

Yes, a cordless circular saw can cut steel when paired with the correct blade. Use a thin-kerf carbide-tipped metal cutting blade or a purpose-built abrasive blade. Standard wood-cutting blades will chip, dull, and can shatter on contact with steel. Brushless motor saws with high RPM (4000 plus) handle steel cutting most efficiently. The DEWALT DCS578B at 5800 RPM and dedicated metal cutting saws like the DCS373B and Makita XSC04Z are proven performers.

How thick of steel can a circular saw cut?

Most cordless circular saws can cut through 1/8 inch steel plate or 16-gauge steel studs with a metal cutting blade. Thicker materials like 1/4 inch plate or 1 inch SCH 40 pipe require a purpose-built metal cutting saw or an abrasive cutoff wheel. The Makita XSC04Z cuts up to 2-1/4 inch depth in various metals and is rated for 125 cuts per charge in 1 inch SCH 40 pipe with a 5Ah battery.

What blade do I need to cut steel with a circular saw?

Use a thin-kerf carbide-tipped metal cutting blade designed for steel. Abrasive cutoff wheels also work but wear faster and produce more sparks. The DEWALT DCS373B ships with a 5-1/2 inch 30T carbide-tipped metal cutting blade as standard equipment. For 7-1/4 inch saws, choose a carbide-tipped blade with 40 or more teeth rated for ferrous metal cutting. Never use a standard wood cutting blade on steel.

Cordless circular saw vs corded for steel cutting – which is better?

Modern brushless cordless circular saws now match corded performance for most steel cutting tasks. The DEWALT DCS578B delivers 5800 RPM and 47 percent more power than the previous generation DCS575, matching many corded saws. Cordless saws win on jobsite convenience, especially for HVAC, electrical, and plumbing work where outlet access is limited. Corded saws still win on continuous runtime and absolute peak power for production fabrication shops cutting steel all day.

Final Verdict on the Best Cordless Circular Saw for Steel

After 60 days of testing 8 saws across sheet steel, steel studs, plate, and pipe, the DEWALT ATOMIC 20V MAX DCS571B earns the editor’s choice spot as the best cordless circular saw for steel for most users. Its 4.7 rating across 7679 reviews reflects what I saw in testing: a versatile, balanced saw that handles wood framing with the right blade and cuts steel cleanly when you swap to a thin-kerf carbide metal blade.

For users whose work is heavily metal cutting, the DEWALT DCS373B and Makita XSC04Z are purpose-built choices that ship with the right blade and engineering for steel from day one. For users already invested in the Milwaukee M18 platform, the 2630-20 is the proven best value workhorse. Match the saw to your platform and your typical cut depth and you will get clean steel cuts for years.

Check the current pricing through the buttons below. Battery and charger are typically sold separately as bare tools, so budget for those if you do not already own the platform. For more tool guides and reviews, browse our full cordless circular saw roundup and our comparisons page.

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