The DeWALT Atomic 20V MAX 1/2 in. Cordless Impact Wrench with Hog Ring Anvil Kit (DCF921P2) is a compact yet powerful fastening tool engineered to handle a wide range of demanding applications - from automotive work to structural fastening and timber construction. Delivering up to 300 ft-lbs of max fastening torque and 450 ft-lbs of max breakaway torque, this cordless impact wrench punches well above its size, giving tradespeople and serious DIYers the muscle they need without the bulk that slows down work in tight spaces. The 20V MAX platform, paired with two DCB205 batteries, keeps the tool running through long jobsite days with consistent, reliable power.

Key Features

• Up to 300 ft-lbs of max fastening torque and 450 ft-lbs of max breakaway torque - delivers serious loosening and tightening capability in a compact cordless body, so you can tackle stubborn fasteners without reaching for a larger, heavier tool
• 4 speed settings with Precision Wrench Control - gives the operator precise command over output speed and torque, helping prevent overtightening and fastener run-off across varied materials and fastener sizes
• Timber Screw Mode (Optimized Speed in Wood) - a dedicated drive mode calibrated for wood fastening applications, reducing the risk of stripping or overdriving screws in timber construction tasks
• Hog ring anvil for rapid socket changes - the 1/2 in. hog ring retains sockets securely during use while still allowing fast swaps, minimizing downtime when switching between socket sizes on the job
• Onboard LED with brightness control - illuminates dark work areas and enclosed spaces where overhead lighting is limited, keeping the work surface visible without needing a separate light source
• Glass-filled nylon housing - provides enhanced resistance to damage from some oils and solvents commonly encountered on job sites, extending the service life of the tool in demanding environments
• Compact, maneuverable form factor - the Atomic design prioritizes reach into confined spaces while retaining full-size performance, making it effective in under-dash, engine bay, and structural framing scenarios

Why This Product

• The combination of 300 ft-lbs fastening torque and 450 ft-lbs breakaway torque in a compact cordless body means you get the power to break loose seized or over-torqued fasteners without lugging around a heavy pneumatic or corded setup.
• Precision Wrench Control paired with 4 selectable speed settings puts you in command of the output - critical when working with delicate fasteners or materials where overtightening causes damage or failure.
• Timber Screw Mode addresses a real gap for contractors working in wood framing or deck construction, where standard high-speed impact wrench settings commonly strip screw heads or overdrive fasteners.
• The kit includes two DCB205 batteries and a DCB115 charger, so you have a fully productive two-battery rotation from day one - one battery running while the other charges, eliminating forced downtime on longer tasks.

Specifications

• Model Number: DCF921P2
• Brand: DeWALT
• Anvil Size: 1/2 in.
• Maximum Fastening Torque: 300 ft-lbs
• Maximum Breakaway Torque: 450 ft-lbs
• Speed Settings: 4
• Anvil Type: Hog Ring
• Battery Voltage: 20V MAX
• Housing Material: Glass-Filled Nylon

What's Included

• 1x Atomic 20V MAX 1/2 in. Cordless Impact Wrench with Hog Ring Anvil (DCF921B)
• 1x DCB115 Charger
• 2x DCB205 Batteries
• 1x Kit Bag
• 1x Belt Clip

Frequently Asked Questions

What is the difference between max fastening torque and max breakaway torque on this impact wrench?

Max fastening torque - 300 ft-lbs on this tool - refers to the peak rotational force the wrench applies when driving and seating a fastener. Max breakaway torque - 450 ft-lbs - is the higher output the tool generates when reversing to loosen a fastener that is already seated or seized. The higher breakaway figure means the DCF921P2 can remove fasteners that it may not have been used to install, which is useful in maintenance and repair work.

What is Precision Wrench Control and when should I use it?

Precision Wrench Control is one of the 4 selectable speed and torque settings on this impact wrench. It is designed to help prevent overtightening and fastener run-off - situations where the tool applies too much torque and the fastener spins past its target seating point or strips the mating surface. It is most useful when working with smaller fasteners, softer materials, or any application where torque control is more important than outright speed.

What is Timber Screw Mode and how does it differ from standard speed settings?

Timber Screw Mode is a dedicated operating mode on the DCF921P2 that optimizes the tool's speed specifically for driving screws into wood. Standard high-torque settings on an impact wrench can overdrive or strip screws in timber applications. Timber Screw Mode adjusts the output profile to deliver controlled driving suited to wood fastening, reducing the risk of damage to the fastener head or the surrounding material.

Does this kit include batteries, and what type are they?

Yes - the DCF921P2 kit includes two DCB205 batteries and a DCB115 charger, along with the tool itself, a belt clip, and a kit bag. The DCB205 batteries are 20V MAX cells compatible with the DeWALT 20V MAX platform, and the included charger allows you to keep one battery charging while the other powers the tool.