Specs from the makers' own documentation Battery compatibility built in UK retailer prices, updated daily 25+ years of trade experience
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M12 · Brushless
M12 FIR12G2 Ratchet No product photo yet
Ratchets · Milwaukee M12

Milwaukee M12 FIR12G2-0 12V FUEL Brushless 1/2″ Ratchet (Body Only)

108Nm0.774kg bare3 years (with registration)

Milwaukee M12 FIR12G2: 1/2" cordless ratchet, 108 Nm motor torque, up to 300 rpm, 0.774kg bare.

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1/2"
Drive
108Nm
Max torque (motor)
300rpm
Top speed
0.77kg
Weight (bare)

Where it sits among 1/2" ratchets

Scaled against the 6 ratchets with a 1/2" drive we list, so other sizes aren't in the mix. Not a score: bigger isn't always better for your job.

Max torque (motor)108Nm
60Nm lowestBosch GRC 12V-60 1/2 SNhighest 108NmThis one
Top speed300rpm
175rpm lowestMilwaukee M12 FIR12highest 300rpmThis one
Weight (bare)0.77kg
0.77kg lightestThis oneheaviest 1.3kgDeWalt DCF512E
Vibration (fastening)5.8m/s²
2.1m/s² lowestMilwaukee M12 FIR12highest 5.8m/s²This one
Compare it with: + Bosch GRC 12V-60 1/2 SN + DeWalt DCF510 + Makita WR100D + Einhell TE-RW 18/60 Li

Full specs

From Milwaukee's own documentation. Checked 17/10/2026. Report a spec error ›

Drive & Torque

Drive1/2"
TypeStandard
Max torque (motor)108 Nm
Top speed300 rpm

Power & Motor

Voltage12V
MotorBrushless

Physical & Build

Weight (bare)0.77 kg
Weight (with battery)1.17 kg
Noise level87 dB(A) LpA / 95 dB(A) LwA
Vibration (fastening)5.8 m/s²

Powered by Milwaukee M12 · 6

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

M12B2 2.0Ah · 24Wh 0.2kg 0.97kg from £25.95at Tooled Up + £6.95 delivery View at Tooled Up ›
M12HB2.5 2.5Ah · 30Wh 0.2kg 0.97kg from £32.95at Tooled Up + £6.95 delivery View at Tooled Up ›
M12B3 3.0Ah · 36Wh 0.2kg 0.97kg from £29.95at Tooled Up + £6.95 delivery View at Tooled Up ›
M12B4 4.0Ah · 48Wh 0.4kg 1.17kg from £39.95at Tooled Up + £6.95 delivery View at Tooled Up ›
M12HB5 5.0Ah · 60Wh 0.42kg 1.19kg from £59.95at Tooled Up + £6.95 delivery View at Tooled Up ›
M12B6 6.0Ah · 72Wh 0.4kg 1.17kg 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.

Warranty · 3yr

Up to 3 years1 year as standard, 3 once you register it with Milwaukee
Register with Milwaukee ›
Register within 30 days of buying Own one? Add it to My Tools and we'll remind you before the 30 days run out

Register within 30 days. Batteries extend to 2yr (1+1); chargers, M28 batteries & accessories excluded; MX FUEL 2yr.

Warranty terms are set by the maker and can change. Always confirm current cover on their site before you buy.

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