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The DeWalt DCF900B is a 1/2-inch cordless impact wrench built on the 20V MAX battery platform. It delivers 1,030 ft-lbs of fastening torque and 1,400 ft-lbs of breakaway torque from a brushless motor, with four speed modes, a variable-speed trigger and a hog ring anvil. Precision Wrench control slows the tool after the fastener seats to limit overtightening and run-off, and an on-tool LED lights the work area. It suits mechanics, construction crews and farm users turning large lugs, pipe flanges and anchor bolts, and it competes with high-torque cordless wrenches from Milwaukee and Makita on raw torque rather than compactness. It is sold as a bare tool, so batteries and a charger are separate.
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Owners rate the DCF900B highly for its power, saying it removes lug nuts and large fasteners that lesser wrenches stall on. They like the speed settings and Precision Wrench control, and most complaints center on its size and weight and on needing to buy batteries separately.
The DEWALT 20V MAX XR DCF900B is a cordless 1/2 in. It delivers 1030 ft-lbs of max fastening torque and 1400 ft-lbs of max breakaway torque. It is made for large pipe flanges, grooved couplings, wheel lugs, concrete anchor bolt setting and other heavy-duty fastening in construction, automotive and farming work.
A 4-mode push button switch changes the speed setting and adjusts the LED brightness, and a variable speed trigger adds control. Precision Wrench mode helps prevent overtightening in forward and fastener run-off in reverse. An on-tool LED work light lights up dark workspaces.
Battery guard is a shock-absorbing battery-to-tool connection that reduces wear and tear on the battery. The tool is built for worksite use and resists common solvents. It is sold as a tool only: the battery and charger are sold separately.
