
M12 FUEL 1/4" Subcompact Impact Wrench
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The Milwaukee M12 FUEL 1/4" Subcompact Impact Wrench is a small cordless impact wrench built for automotive work in tight spaces. It measures about 4.4 inches long and 2.0 inches wide, which lets it reach fasteners under the hood that larger wrenches cannot. It delivers up to 100 ft-lbs of nut-busting torque and runs on Milwaukee's M12 battery platform. Its 4-Mode DRIVE CONTROL adds an auto shut-off mode that stops at about 7 ft-lbs to prevent over-tightening, plus a bolt-removal mode. Rivals in the subcompact class trade some of this control for more torque or a lower build, so it suits mechanics who value access and precision over raw power.
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Owners of the M12 FUEL subcompact impact wrench generally praise its size and access in tight engine bays, and the mode control gets frequent mention. Some note the torque ceiling keeps it to lighter fasteners.
The Milwaukee M12 FUEL 1/4" Subcompact Impact Wrench with Friction Ring is built for automotive work in tight spaces. It measures 4.4" long and 2.0" wide, so it fits into tight spots under the hood without extensions, swivels, or adapters. As a bare tool it weighs 1.5 lbs, which helps reduce fatigue.
It delivers up to 100 ft-lbs of torque when paired with an M12 REDLITHIUM HIGH OUTPUT CP2.5 battery pack. A variable speed trigger gives precise control. The 4-Mode DRIVE CONTROL system adjusts output speed and power. It includes an auto shut-off mode that limits torque to 7 ft-lbs in forward to prevent overtightening. In reverse, bolt-removal mode slows the RPM once the bolt is free so fasteners don't drop.
To change modes with one hand, shift the forward-reverse shuttle into neutral and double-tap the trigger. A friction ring socket retention system holds sockets in place and cuts downtime when accessories are changed often. A Tri-LED work light lights the work area with fewer shadows.












