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

Ranked #13 of 50 in Best cordless saws, ranked on official maker specs. Here is every spec we scored, where it came from, and how it compares.

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M

#13

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

Best for: Official 12 V, 4.54 lb

6.3/10

What we like

Official maker product page lists a brushless motor.

Watch out for

Official maximum torque is Not listed as a specification on the official product page we used.

Score breakdown

Official tool weight 40%

Official voltage 33%

Official brushless motor 27%

Official tool weight	4.54 lb
Official voltage	12 V
Official brushless motor	Yes
Official model number	2521-20
Official product name	M12 FUEL 5-3/8" Circular Saw
Official voltage	12 V
Official no-load speed	Not listed
Official tool weight	4.54 lb
Official brushless motor	Yes
Official max torque	Not listed
Official blade diameter	5.38 in
Official battery system	M12
Official motor type	POWERSTATE Brushless
Official warranty	5 Year Limited Warranty
Official configuration	Tool only (battery and charger sold separately, per the official product page).
Price	Check price

Check price at Amazon

Specs source:

Official Milwaukee product page (2521-20)

How it compares

Open the full comparison table

DeWalt 60V MAX Brushless Cordless Reciprocating Saw (Tool Only) (DCS389B)

#1 · Official 60 V, 3000 RPM, 8.75 lb

DeWalt 60V MAX 7-1/4-in Brushless Circular Saw With Electronic Brake (Tool Only) (DCS578B)

#2 · Official 60 V, 5800 RPM, 9.92 lb

DeWalt 20V MAX 7-1/4-in Brushless Cordless Circular Saw With FLEXVOLT Advantage (Tool Only) (DCS573B)

#3 · Official 60 V, 5300 RPM, 10.15 lb

DeWalt ATOMIC 20V MAX Cordless One-Hand Reciprocating Saw (Tool Only) (DCS369B)

#4 · Official 20 V, 2800 RPM, 3.7 lb

Makita 18V LXT Brushless 2,500 RPM Drywall Screwdriver, Tool Only (XSF04Z)

#5 · Official 18 V, 2500 RPM, 3.5 lb

Makita 18V LXT Brushless 4,000 RPM Drywall Screwdriver, Tool Only (XSF03Z)

#6 · Official 18 V, 4000 RPM, 3.8 lb

DeWalt 12V MAX Brushless Cordless One-Handed Reciprocating Saw (Tool Only) (DCS312B)

#7 · Official 12 V, 2800 RPM, 3.52 lb

Milwaukee M12 FUEL Jig Saw (2545-20)

#8 · Official 12 V, 3.4 lb

DeWalt 20V MAX XR Cordless Barrel Grip Jig Saw (Tool Only) (DCS335B)

#9 · Official 20 V, 3200 RPM, 5.05 lb

DeWalt 20V MAX XR Cordless Jig Saw (Tool Only) (DCS334B)

#10 · Official 20 V, 3200 RPM, 5.07 lb

DeWalt 20V MAX XR Brushless Compact Reciprocating Saw (Tool Only) (DCS367B)

#11 · Official 20 V, 2900 RPM, 5.4 lb

DeWalt FLEXVOLT 60V MAX 7-1/4 in. Cordless Worm Drive Style Saw (Tool Only) (DCS577B)

#12 · Official 60 V, 5800 RPM, 13.27 lb

DeWalt 60V MAX 12-in Brushless Cordless Double Bevel Sliding Miter Saw (Tool Only) (DCS781B)

#14 · Official 60 V, 3800 RPM, 65.35 lb

DeWalt 60V MAX 6-1/2 in. Brushless Track Saw (Tool Only) (DCS520B)

#15 · Official 60 V, 4200 RPM, 15.8 lb

DeWalt 60V MAX 9-in Brushless Cordless Cut-Off Saw (Tool Only) (DCS692B)

#16 · Official 60 V, 6600 RPM, 17.98 lb

DeWalt 60V MAX Table Saw (Tool Only) (DCS7485B)

#17 · Official 60 V, 5800 RPM, 52.69 lb

DeWalt ATOMIC 20V MAX Brushless Cordless 4-1/2-in Circular Saw (Tool Only) (DCS571B)

#18 · Official 20 V, 4500 RPM, 6.65 lb

Milwaukee M18 FUEL 6-1/2" Circular Saw (Tool Only) (2833-20)

#19 · Official 18 V, 6.3 lb

Milwaukee 18-Volt FUEL 6-1/2 Inch Circular Saw tool only (2730-20)

#20 · Official 18 V, 5000 RPM, 6.8 lb

Milwaukee M12 FUEL Compact Band Saw (2529-20)

#21 · Official 12 V, 6 lb

Milwaukee M12 FUEL Compact Band Saw Kit (2529-21xc)

#22 · Official 12 V, 6 lb

Milwaukee M18 Brushless 7-1/4" Circular Saw (2631-20)

#23 · Official 18 V, 5000 RPM, 7.2 lb

DeWalt 12V MAX 5-3/8 in. Brushless Cordless Circular Saw (Tool Only) (DCS512B)

#24 · Official 12 V, 3600 RPM, 6.35 lb

DeWalt 20V MAX XR 6-1/2 in. Brushless Cordless Circular Saw (Tool Only) (DCS565B)

#25 · Official 20 V, 4950 RPM, 7.85 lb

Makita 18V LXT Brushless 6-1/2" Circular Saw, Tool Only (XSH03Z)

#26 · Official 18 V, 5000 RPM, 7.3 lb

Milwaukee M18 FUEL 7-1/4" Circular Saw (2732-20)

#27 · Official 18 V, 5800 RPM, 8 lb

Milwaukee M18 FUEL 10-1/4" Rear Handle Circular Saw (3026-20)

#28 · Official 18 V, 10.3 lb

Makita 36V (18V X2) LXT Brushless 7-1/4” Circular Saw, Tool Only (XSH06Z)

#29 · Official 18 V, 6000 RPM, 10.5 lb

DeWalt 20V MAX Cordless Compact Reciprocating Saw (Tool Only) (DCS387B)

#30 · Official 20 V, 2900 RPM, 5.58 lb

DeWalt 20V MAX Cordless Jig Saw (Tool Only) (DCS331B)

#31 · Official 20 V, 3000 RPM, 5.6 lb

DeWalt 20V MAX Cordless Reciprocating Saw (Tool Only) (DCS380B)

#32 · Official 20 V, 3000 RPM, 5.75 lb

DeWalt 20V MAX XR 7-1/4 in. Metal Cutting Circular Saw (Tool Only) (DCS383B)

#33 · Official 20 V, 3900 RPM, 13.35 lb

Makita 18V LXT 5-3/8" Circular Trim Saw, Tool Only (XSS03Z)

#34 · Official 18 V, 3600 RPM, 6 lb

Milwaukee M12 FUEL Circular Saw (2530-20)

#35 · Official 12 V, 3600 RPM, 5.35 lb

Makita 18V LXT Brushless 6-1/2" Compact Dual-Bevel Compound Miter Saw with Laser, Tool Only (XSL05Z)

#36 · Official 18 V, 5000 RPM, 14.6 lb

Makita 36V (18V X2) LXT Brushless 10" Dual-Bevel Sliding Compound Miter Saw with Laser, Tool Only (XSL06Z)

#37 · Official 18 V, 4400 RPM, 60 lb

Makita 36V (18V X2) LXT Brushless 7-1/2" Dual Slide Compound Miter Saw, Tool Only (XSL02Z)

#38 · Official 18 V, 5700 RPM, 28.9 lb

Milwaukee M18 FUEL 10" Dual Bevel Sliding Compound Miter Saw (2734-20)

#39 · Official 18 V, 4000 RPM, 45 lb

Milwaukee M18 FUEL 12" Dual Bevel Sliding Compound Miter Saw with ONE-KEY (2739-20)

#40 · Official 18 V, 47.6 lb

Milwaukee M18 FUEL 8-1/4" Table Saw w/ One-Key (2736-20)

#41 · Official 18 V, 6300 RPM, 41.6 lb

DeWalt 20V MAX 5-1/2 in. Metal Cutting Circular Saw (Tool Only) (DCS373B)

#42 · Official 20 V, 3700 RPM, 7.5 lb

DeWalt 20V MAX 6-1/2-in Circular Saw (Tool Only) (DCS391B)

#43 · Official 20 V, 5150 RPM, 7.58 lb

Makita 18V LXT 6-1/2" Circular Saw, Tool Only (XSS02Z)

#44 · Official 18 V, 3700 RPM, 7.3 lb

Milwaukee 18V 7-1/4” Circular Saw (2731-20)

#45 · Official 18 V, 5000 RPM, 7.5 lb

Milwaukee 18v SAWZALL Reciprocating Saw w/ ONE-KEY (2721-20)

#46 · Official 18 V, 7.4 lb

Milwaukee M18 6 ½" Circular Saw (Tool Only) (2630-20)

#47 · Official 18 V, 9.05 lb

DeWalt 20V MAX 7-1/4-in Sliding Miter Saw (Tool Only) (DCS361B)

#48 · Official 20 V, 3750 RPM, 30 lb

Milwaukee M18 Cordless LITHIUM-ION Jig Saw Kit (2645-22)

#49 · Official 18 V

Milwaukee M12 High Performance Jig Saw (Tool Only) (2445-20)

#50 · Official 12 V