DeWalt DCF921N-XJ 18V XR Brushless 1/2″ Hog Ring Compact Impact Wrench (Body Only)
18V XR brushless 1/2in compact impact wrench, hog ring. 406Nm fastening, 610Nm breakaway, 4 modes including Precision Wrench and Scaffolding, 0–2,500rpm, 0–3,550ipm. 1.1kg bare. Body only.
Where it sits among 1/2" drive impact wrenches
Scaled against the 33 impact wrenches with a 1/2" drive we list, so other sizes aren't in the mix. Not a score: bigger isn't always better for your job.
Full specs
From DeWalt's own documentation. Checked 25/09/2026. Report a spec error ›
Performance
Physical & Build
The DCF921 is a compact 1/2in wrench aimed squarely at scaffolders: 406Nm, 610Nm breakaway, 1.1kg bare and a Scaffolding mode that runs the nut down and stops before over-tightening. It is too light for seized wheel nuts; for those look at the DCF891.
Powered by DeWalt 18V XR · 12
All 12 batteries that fit this tool, smallest first. Kits and chargers ›
DCB546 6.0Ah · 108Wh · via DeWalt 18V/54V FlexVolt
1.08kg
2.18kg
from £99.95at Tooled Up + £5.95 delivery
View at Tooled Up ›
DCB1880 8.0Ah · 144Wh
Not listed
Not listed
from £139.95at Tooled Up + £6.95 delivery
View at Tooled Up ›
DCB547 9.0Ah · 162Wh · via DeWalt 18V/54V FlexVolt
1.46kg
2.56kg
from £119.95at Tooled Up + £6.95 delivery
View at Tooled Up ›
DCB548 12.0Ah · 216Wh · via DeWalt 18V/54V FlexVolt
1.46kg
2.56kg
from £229.95at Tooled Up + £5.95 delivery
View at Tooled Up ›
DCB549 15.0Ah · 270Wh · via DeWalt 18V/54V FlexVolt
2.12kg
3.22kg
from £259.95at Tooled Up + £5.95 delivery
View at Tooled Up ›
Tool weight worked out by adding each pack's weight to the bare tool, using the makers' figures. The maker's own with-battery figure can differ slightly. We may earn a commission on retailer links.
Warranty · 3yr
Register within 4 weeks. Batteries/chargers excluded (PowerStack eligible). Nailers and other fastening tools are excluded and keep 1 year. Kit tools registered individually.
Warranty terms are set by the maker and can change. Always confirm current cover on their site before you buy.
Related guides
Buying GuidesBuying a Spare Power Tool Battery
A spare battery is the most common thing anyone buys after the tool itself, and it is the easiest one to get…
Read guide ›
Getting StartedImpact Driver vs Combi Drill: Which Do You Actually Need?
They look similar, they cost about the same, and most people buy them as a twin kit without ever being told what…
Read guide ›
Getting StartedFirst and Second Fix Carpentry Explained
"First fix" and "second fix" get said on every site, and nobody stops to explain them, which leaves anyone starting out nodding…
Read guide ›





