M12 FCS442 Circular Saw

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Circular Saws · Milwaukee M12

Milwaukee M12 FCS442-0 Brushless 140mm Compact Circular Saw (Body Only)

2kg bare12V3 years (with registration)

12V M12 FUEL brushless 140mm compact circular saw. 46mm cut depth at 90°, 32mm at 45°. 0–50° bevel. Lightweight one-handed use. DEK26 dust adaptor, LED, parallel guide. Body only.

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140mm

Blade

46mm

Cut depth (90°)

3,850rpm

Max speed

2kg

Weight (bare)

Where it sits among circular saws

Against the 77 circular saws we list. Not a score: bigger isn't always better for your job.

Cut depth at 90°46mm

25.5mm lowestMakita HS301Dhighest 160mmMakita HS013G

Cut depth at 45°32mm

16.5mm lowestMakita HS301Dhighest 106mmMakita HS013G

Max bevel angle50°

45° lowestEinhell TC-CS 1410highest 60°Makita HS009G

Weight (bare)2kg

1.1kg lightestBosch GKS 12V-26heaviest 10.5kgMakita HS013G

Compare it with: + Makita HS301D + Bosch GKS 12V-26 + DeWalt DCS573 + Bosch Green UniversalCirc 18V-53

Full specs

From Milwaukee's own documentation. Checked 21/06/2026. Report a spec error ›

Cutting

Saw typeCompact

Blade diameter140 mm

Blade bore20 mm

Max depth (90°)46 mm

Max depth (45°)32 mm

Bevel range0–50°

Blade included✓ Yes

Rip fence included✓ Yes

Kickback technologyNo

Power & Motor

Voltage12V

MotorBrushless

No-load speed3,850 rpm

Dust & Rail

Dust port sizeDEK26 adaptor (supplied)

Extractor hose✓ Fits Milwaukee extractor hoses with the supplied DEK26 adaptor (4 extractors listed)

Extractor auto-startNo

Physical & Build

Weight (bare)2 kg

Weight (with battery)2.4 kg

LED work light✓ Yes

Noise level93.5 dB(A) LpA / 101.5 dB(A) LwA

Vibration1.3 m/s²

The verdictOur take

Milwaukee's sub-compact saw on the smaller M12 platform, and at 2.0kg bare the lightest Milwaukee saw here. On spec it manages 46mm of depth at 90° from a 140mm blade at 3850rpm, with a 0 to 50° bevel, and at the low end of the weight range it is genuinely one-handed for short cuts. Vibration is very low at 1.26 m/s². It is not a saw for ripping sheets all day, but for trimming, notching and quick cuts where carrying a full saw is overkill, the M12 size is the point. A natural second saw for an M12 user.

Powered by Milwaukee M12 · 6

All 6 batteries that fit this tool, smallest first. Kits and chargers ›

M12B2 2.0Ah · 24Wh 0.2kg 2.2kg from £25.95at Tooled Up + £6.95 delivery View at Tooled Up ›

M12HB2.5 2.5Ah · 30Wh 0.2kg 2.2kg from £32.95at Tooled Up + £6.95 delivery View at Tooled Up ›

M12B3 3.0Ah · 36Wh 0.2kg 2.2kg from £29.95at Tooled Up + £6.95 delivery View at Tooled Up ›

M12B4 4.0Ah · 48Wh 0.4kg 2.4kg from £39.95at Tooled Up + £6.95 delivery View at Tooled Up ›

M12HB5 5.0Ah · 60Wh 0.42kg 2.42kg from £59.95at Tooled Up + £6.95 delivery View at Tooled Up ›

M12B6 6.0Ah · 72Wh 0.4kg 2.4kg from £49.95at Tooled Up + £6.95 delivery View at Tooled Up ›

Tool weight worked out by adding each pack's weight to the bare tool, using the makers' figures. The maker's own with-battery figure can differ slightly. We may earn a commission on retailer links.