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The DeWalt DCF900B is a 1/2-inch cordless high-torque impact wrench in the 20V MAX XR line, sold as a bare tool. It delivers 1,030 ft-lbs of fastening torque and 1,400 ft-lbs of breakaway torque, enough for wheel lugs, concrete anchors, pipe flanges and structural bolts. A four-mode selector and Precision Wrench control limit overtightening and fastener run-off, and BatteryGuard cushions the battery connection against jobsite shock. It is a heavy, pro-grade tool for mechanics and crews already on the 20V MAX battery platform; lighter mid-torque wrenches are easier to handle for routine work.
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Lowest price we've seen: $83.40 on Nov 13 at eBay. Tracked across 16 stores since Nov 13.
Rated 4.4 out of 5 from 157 ratings, owners treat it as a serious high-torque tool that frees stuck hardware and holds up to daily shop use. Complaints center on its size and weight and on the need to supply batteries.
The DEWALT 20V MAX XR DCF900B is a cordless 1/2 in high torque impact wrench with a hog ring anvil. It is sold as a tool only. It is made for heavy-duty fastening and removal work such as large pipe flanges, grooved couplings, wheel lugs, concrete anchor bolts and structural fasteners.
It delivers 1,030 ft-lbs of max fastening torque and 1,400 ft-lbs of max breakaway torque. A Precision Wrench control mode helps prevent overtightening in forward and fastener run-off in reverse. A 4-mode push-button selector adjusts speed and torque output, and it also controls LED brightness.
BATTERYGUARD technology is a shock-absorbing battery-to-tool connection that helps reduce wear during heavy use. An on-tool LED work light improves visibility in low-light spaces. The wrench is part of the DEWALT 20V MAX XR system.









