DeWalt DCF923B Impact Wrench 3/8 in Drive Size, 300 ft-lb Fastening Torque, 450 ft-lb Breakaway Torque
The DEWALT DCF923B 20V MAX* ATOMIC™ cordless impact wrench delivers professional-grade performance in a compact design. Engineered for assembly, automotive, maintenance, and construction work, this 3/8-inch drive tool combines hammer-like impact action with 300 ft-lb fastening torque and 450 ft-lb breakaway torque to drive and remove fasteners efficiently. The friction ring retainer securely holds impact-rated sockets in place while allowing quick, tool-free changeouts. Its integrated dust collection system captures debris and shavings during operation, reducing airborne dust hazards and keeping your workspace cleaner. Built on the 20V MAX* platform, this wrench runs on all compatible 20V MAX* batteries—including XR® and POWERSTACK™ variants—giving you flexibility and extended runtime. The compact ATOMIC™ form factor excels in overhead work and tight spaces where maneuverability matters.
| Voltage | 20 V DC |
| Max. Torque | 450 ft-lb |
| Includes | Belt Hook |
| Number of Batteries Included | 0 |
| Power Source | Cordless |
| Impacts per Minute | 3,550 |
| Free Speed | 2,500 RPM |
| Fastening Torque | 300 ft-lb |
| Brushless Motor | Yes |
| Drive Style | Hog Ring Anvil |
| Number of Speed Settings | 4 |
| Housing Material | Glass-Filled Nylon |
| Retainer Type | Friction Ring |
| Handle Type | Pistol Grip |
| Battery Series | 20V MAX* |
| Tool Weight | 2.47 lb |
| Wireless Tool Tracking | No |
| Features | 300 ft-lb Tightening Torque, 4 Speed Control, 450 ft-lb Breakaway Torque, Glass Filled Nylon Housing, LED Lights, Precision Wrench(TM) Mode And Timber Screw Control Mode |
| Built-In Light | Yes |
| Case Included | No |
| Cordless Tool Kit Contents | (1) Bare Tool |
| Power to Weight Ratio | 182 ft-lb/lb |
| Actuation | Trigger |
| Charger Included | No |
| Breakaway Torque | 450 ft-lb |
| Shop By | New Products |
| Built-In Light Type | Individual Light(s) |
| Throttle Type | Trigger |
| Battery Chemistry | Li-Ion |
| Motor Type | Brushless |
| No Load Speed | 2,500 RPM |
| Tool Series | 20V MAX* ATOMIC(TM) |
| Speed Control | Variable |
| Includes Case | Case Not Included |
| Torque - Maximum | 450 ft-lb |
| Number of Chargers Included | 0 |
| Battery Platform | 20V MAX* |
| Anvil Style | Standard |