Its 12-volt battery can generate 1600 rpm and 300 in-lbs of torque. Milwaukee's M18 ½-inch High-Torque Impact Wrench has a four-pole motor and 18-volt battery, giving it 450 ft-lbs of torque for ...
Milwaukee’s Gen II M12 Stubby impact wrench ... That’s thanks to the 12-volt battery compared the DeWalt’s 20-volt. Will the Gen II M12 Stubby impact replace your full-size 1/2-inch impact?