---
product_id: 465469100
title: "DEWALT 20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B)"
brand: "dewalt"
price: "€ 174.49"
currency: EUR
in_stock: true
category: "Dewalt"
url: https://www.desertcart.pt/products/465469100-dewalt-20v-max-1-4-in-brushless-cordless-impact-driver
store_origin: PT
region: Portugal
---

# 1700 in-lb torque 3-LED integrated work light 20V MAX brushless motor DEWALT 20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B)

**Brand:** dewalt
**Price:** € 174.49
**Availability:** ✅ In Stock

## Summary

> ⚡ Power meets precision — drive your projects forward with DEWALT!

## Quick Answers

- **What is this?** DEWALT 20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B) by dewalt
- **How much does it cost?** € 174.49 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/465469100-dewalt-20v-max-1-4-in-brushless-cordless-impact-driver)

## Best For

- dewalt enthusiasts

## Why This Product

- Trusted dewalt brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Cordless Freedom:** 20V MAX brushless motor delivers peak performance without the hassle of cords.
- • **Compact Yet Mighty:** Ergonomically designed for ultimate maneuverability in tight, hard-to-reach spaces.
- • **Power That Packs a Punch:** Unleash 1,700 in-lb of torque to conquer even the toughest screws with ease.
- • **Illuminate Your Workspace:** Built-in 3-LED light brightens dark corners so you never miss a detail.
- • **Precision at Your Fingertips:** Variable speed trigger offers pro-level control for flawless finishes every time.

## Overview

The DEWALT 20V MAX* 1/4 in. Brushless Cordless Impact Driver (DCF840B) combines a high-performance brushless motor delivering up to 1,700 in-lb of torque and 3,200 rpm with a compact, ergonomic design. Featuring a variable speed trigger for precise control and an integrated 3-LED work light, this cordless tool is engineered for professionals tackling cabinetry, framing, and other demanding tasks in tight or low-light environments.

## Description

Drive screws and other fasteners with this high-output 20V MAX* 1/4 in. Brushless Cordless Impact Driver that was engineered to be lightweight for ease of use without sacrificing performance. The brushless motor delivers up to 1,700 in-lb of torque and up to 3,200 rpm for driving large-diameter screws. The compact design provides optimized maneuverability and access to confined areas when performing cabinetry and framing jobs. Maintain productivity in low-light spots with a 3-LED on-board work light that illuminates dimly lit workspaces.

## 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09MLL4G3G |
| Additional Features | Variable Speed |
| Amperage | 15 A |
| Best Sellers Rank | #11,224 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #10 in Power Impact Drivers |
| Brand Name | DEWALT |
| Color | Yellow |
| Customer Reviews | 4.6 4.6 out of 5 stars (257) |
| Drill Type | Impact Driver |
| Drilling Capacity Metal | 0.24 inches |
| Drilling Capacity Wood | 0.25 inches |
| Included Components | Tool,Belt Hook |
| Item Type Name | Impact Driver |
| Item Weight | 0.27 g |
| Manufacturer | DEWALT |
| Manufacturer Part Number | DCF840B |
| Manufacturer Warranty Description | Manufacturer Warranty |
| Material Type | Blend, Metal |
| Maximum Power | 300 watts |
| Maximum Rotational Speed | 3200 rpm |
| Maximum Torque | 1700 in-lb |
| Model Number | DCF850B |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Speed | 3200 rpm |
| Torque | 1700 in-lb |
| UPC | 885911725927 |
| Voltage | 20 |

## Product Details

- **Amperage:** 15 A
- **Brand:** DEWALT
- **Maximum Rotational Speed:** 3200 rpm
- **Power Source:** Battery Powered
- **Voltage:** 20

## Images

![DEWALT 20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B) - Image 1](https://m.media-amazon.com/images/I/51Y+ArvxxgL.jpg)

## Frequently Bought Together

- DEWALT 20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B)
- DEWALT Screwdriver Bit Set, Impact Ready, FlexTorq, 40-Piece (DWA2T40IR)
- DEWALT ATOMIC 20V MAX* Impact Driver, Cordless, Compact, 1/4-Inch, Tool Only (DCF809B)

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**Shop now:** [https://www.desertcart.pt/products/465469100-dewalt-20v-max-1-4-in-brushless-cordless-impact-driver](https://www.desertcart.pt/products/465469100-dewalt-20v-max-1-4-in-brushless-cordless-impact-driver)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-17*