DEWALT DCF921B 20V MAX ATOMIC impact wrench, tool only
Specs checked 2026-10-17 from DEWALT's US product page
The DEWALT DCF921B is a 20V MAX ATOMIC impact wrench, sold as a bare tool (tool only). DEWALT publishes 300 ft-lbs max torque, 450 ft-lbs max breakaway torque, 2,500 rpm max speed, Brushless motor. No battery or charger is in the box; it runs on DEWALT 20V MAX batteries. Source: DEWALT's US product page, checked 2026-10-17.
Key specs
- Max torque (manufacturer rating)
- 300 ft-lbs
- Max breakaway torque (manufacturer rating)
- 450 ft-lbs
- Max speed
- 2,500 rpm
- Motor
- Brushless
- Batteries in box
- 0
- Battery capacity (each)
- None includedfrom the box list
- Charger in box
- No
Not on DEWALT's US product page for the DCF921B: Impact rate; Anvil; Weight, tool only; Tool length. We do not guess. DEWALT's own "assembled product" size and weight are under All specs.
In the box
- IncludedTool: impact wrench
- Not includedBattery: needs a DEWALT 20V MAX battery (see batteries)
- Not includedCharger (see chargers)
- Not includedCase or bag
Runs on DEWALT 20V MAX batteries.
Model number ending "B": Bare tool: no battery or charger. How DEWALT model numbers work.
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Find the DCF921B at Acme Tools Opens a search for "DCF921B" at acmetools.com (US retailer) in a new tab; the current price is shown there. Specs here checked 2026-10-17.Compared with
All specs
| Max torque (manufacturer rating) | 300 ft-lbs |
| Max breakaway torque (manufacturer rating) | 450 ft-lbs |
| Max speed | 2,500 rpm |
| Motor | Brushless |
| Batteries in box | 0 |
| Battery capacity (each) | None includedfrom the box list |
| Charger in box | No |
| Anvil type | Hog Ring Anvil |
| Weight (DEWALT's 'assembled product' figure) | 2.76 lbs |
| Length (DEWALT's 'assembled product' figure) | 9.0 in |
| Case | No Case Included |
| UPC barcode | 885911699983 |
Ratings are DEWALT's published figures from its US product page, listed under Sources. Anything not on that page is left out rather than guessed. Check this against another model.
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Find the DCF921B at Acme Tools
Owner reviews
4.2 out of 5 from 33 owner reviews on DEWALT.com (as shown on DEWALT's DCF921B page, checked 2026-10-17). Read the owner reviews on DEWALT.com
Manuals and official documents
- Instruction manual (PDF) N909768_DCF921-DCF922-DCF923.pdf
- Instruction manual (PDF) NA517039_DCF921_DCF922_DCF923_T1_NA.pdf
Sources
- DEWALT US product page DCF921B (features), retrieved 2026-10-17
Researched by Rob, licensed electrician (Australia). Found an error? Tell us.
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