Illustration: length to scale; height to scale · product photo coming soon

Impact driver · Milwaukee M12

Milwaukee M12 FUEL 1/4" Hex Impact Driver

Small hands, tight cabinets, overhead work — a light impact that still does real work.

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· See it at real size · $$ · mid tier

What we like

  • Small and light, with real 1,500 in-lb punch
  • 4 modes incl. a gentle mode
  • Tri-LED lighting

Keep in mind

  • M12 batteries are a separate system from M18
  • Battery not included on -20

Specs, with sources

Max torque1,500 in-lbsource ↗
No-load speed0–3,600 (Mode 3) RPMsource ↗
Impacts per minute4,000 IPMsource ↗
Chuck1/4" hex, single-handed bit insertion
Speed modes4-mode drive control incl. self-tapping screw modesource ↗
Voltage12Vsource ↗
Battery familyMilwaukee M12source ↗
Weight (tool only)1.6 lbsource ↗
Weight with batteryUnverified
Length5.0"source ↗
Height7.6"source ↗
Brushless motorYessource ↗
In the box3453-20 is tool only (belt clip)source ↗
WarrantyUnverified
Noise (declared)Unverified
Vibration (declared)Unverified
Colorsred/blacksource ↗

Note: Milwaukee's page also says 'light weight at 2 lbs' without stating the battery.

Note: 7.6" tall with M12 CP2.0 battery (Milwaukee)

Specs checked 2026-10-24. Spot something out of date? Tell us.

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