
DeWalt 20V MAX* Brushless Cordless 1/4 In. Impact Driver (Tool Only) DCF840B
DeWalt 20V MAX* Brushless Cordless 1/4 In. Impact Driver (Tool Only) DCF840B
Get 1,700 in-lb. of torque and up to 3,200 rpm for driving large-diameter screws with the 20V MAX* 1/4 in. Brushless Cordless Impact Driver. Engineered to be lightweight without sacrificing performance, this compact impact driver provides optimized maneuverability and access to confined areas when performing cabinetry and framing jobs. Battery & Charger Sold Separately.
Features:
- High-Performance Brushless Motor – Delivers 1,700 in-lb of torque and 3,200 rpm to drive large-diameter screws.
- Maneuver With Ease – Compact design for optimized ergonomics and access to difficult-to-reach spots.
- Pro-Level Control and Precision – With variable speed trigger.
- Brighten Dark Work Areas – Integrated 3-LED work light enhances visibility in low-light spaces.
Includes:
- (1) Tool
- (1) Belt Hook
Specifications
| Battery Type | Lithium Ion |
| Battery Voltage (V) | 20 |
| Chuck Size (in) | 1/4 |
| Color | Yellow, Black |
| Has LED Light? | Yes |
| Max. Torque (in-lbs) | 1700 |
| No Load Speed (RPM) | 3200 |
| Power Source | Battery |
| Power (W) | 300 |
Product Guide
Warranty
From Manufacturer: "3 Year Limited Warranty, 1 Year Free Service, 90 Days Satisfaction Guaranteed. We’re confident of the quality of our products, and we’ll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty."
Original: $172.61
-70%$172.61
$51.78Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
DeWalt 20V MAX* Brushless Cordless 1/4 In. Impact Driver (Tool Only) DCF840B
Get 1,700 in-lb. of torque and up to 3,200 rpm for driving large-diameter screws with the 20V MAX* 1/4 in. Brushless Cordless Impact Driver. Engineered to be lightweight without sacrificing performance, this compact impact driver provides optimized maneuverability and access to confined areas when performing cabinetry and framing jobs. Battery & Charger Sold Separately.
Features:
- High-Performance Brushless Motor – Delivers 1,700 in-lb of torque and 3,200 rpm to drive large-diameter screws.
- Maneuver With Ease – Compact design for optimized ergonomics and access to difficult-to-reach spots.
- Pro-Level Control and Precision – With variable speed trigger.
- Brighten Dark Work Areas – Integrated 3-LED work light enhances visibility in low-light spaces.
Includes:
- (1) Tool
- (1) Belt Hook
Specifications
| Battery Type | Lithium Ion |
| Battery Voltage (V) | 20 |
| Chuck Size (in) | 1/4 |
| Color | Yellow, Black |
| Has LED Light? | Yes |
| Max. Torque (in-lbs) | 1700 |
| No Load Speed (RPM) | 3200 |
| Power Source | Battery |
| Power (W) | 300 |
Product Guide
Warranty
From Manufacturer: "3 Year Limited Warranty, 1 Year Free Service, 90 Days Satisfaction Guaranteed. We’re confident of the quality of our products, and we’ll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty."




















