DEWALT 20V MAX Brushless 1/4 in. Cordless Impact Driver (Tool Only) – DCF840B

Overview

The DEWALT 20V MAX brushless 1/4 in. cordless impact driver is designed for lightweight handling without compromising performance. Its brushless motor delivers up to 1,700 in-lb of torque and up to 3,200 rpm, making it well suited for driving large-diameter screws efficiently. The compact form is built for maneuverability, helping you reach tight spots in cabinetry, framing, and other common projects. An integrated 3-LED on-board work light illuminates dim workspaces to keep you productive.

Performance at a glance

Engineered for high output, this tool balances power with control. The variable speed trigger enables pro-level precision, letting you adjust to different fasteners and materials. You’ll notice smoother starts and steady progress whether you’re driving pilot holes, assembling frames, or installing hardware.

Key benefits

• High-performance brushless motor delivers 1,700 in-lb torque and 3,200 rpm for fast screw driving
• Compact, lightweight design enhances ergonomics and access to confined spaces
• Variable speed trigger provides precise control for different fasteners
• Integrated 3-LED work light brightens dark work areas

Ideal uses

• Cabinetry and furniture assembly where space is limited
• Framing and structural tasks requiring solid torque in tight spots
• Work in dim or hard-to-reach areas such as under cabinets or inside tight openings

Note: This is a tool-only unit, so batteries and chargers are not included. It is designed to complement a 20V MAX collection you may already own, offering a robust option for quick driving jobs.